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FCAHG71
Service Manual
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Daikin FCAHG71, RZAG71 Service Manual

ESIE16-03B
Service
Manual
SA R32 Sky-Air RZAG-L
Indoor unit Outdoor unit FCAHG71/100/125/140FVEB RZAG71/100/125/140L7V1B
SA R32 Sky-Air RZAG-L
ESIE16-03B |
The present publication is drawn up by way of information only and does not constitute an offer binding upon Daikin Europe N.V.. Daikin Europe N.V. has compiled the content of this publication to the best of its knowledge. No express or implied warranty is given for the completeness, accuracy, reliability or fitness for particular purpose of its content and the products and services presented therein. Specifications are subject to change without prior notice. Daikin Europe N.V. explicitly rejects any liability for any direct or indirect damage, in the broadest sense, arising from or related to the use and/or interpretation of this publication. All content is copyrighted by Daikin Europe N.V..
SA R32 Sky-Air RZAG-L
ESIE16-03B |
Part 1. Introduction ....................................................................................................................7
1.1. Version log .................................................................................................................................................7
1.2. Safety precautions .....................................................................................................................................8
1.2.1. Meaning of symbols ....................................................................................................................................... 8
1.2.2. Warnings ........................................................................................................................................................ 8
1.2.3. Cautions ....................................................................................................................................................... 10
1.2.4. Information ...................................................................................................................................................10
1.3. General operation ....................................................................................................................................11
1.4. How to use ...............................................................................................................................................12
1.4.1. Interactive information flow ........................................................................................................................... 12
1.4.2. Parts of the book .......................................................................................................................................... 13
1.4.2.1. The introduction chapter .......................................................................................................................... 13
1.4.2.2. The troubleshooting chapter .................................................................................................................... 13
1.4.2.3. The repair chapter .................................................................................................................................... 13
1.4.2.4. The maintenance chapter ........................................................................................................................ 13
1.4.2.5. Appendices .............................................................................................................................................. 13
1.4.3. Contact information ......................................................................................................................................13
Part 2. Troubleshooting ...........................................................................................................15
2.1. Error codes check ....................................................................................................................................15
2.1.1. Error codes via remote controller ................................................................................................................. 15
2.1.1.1. Error codes via wired remote controller BRC1E ...................................................................................... 15
2.1.1.2. Error codes via wireless remote controller BRC7 .................................................................................... 17
2.1.2. Error codes via outdoor unit PCB .................................................................................................................19
2.1.2.1. How to retrieve error codes ...................................................................................................................... 19
2.1.2.2. How to reset error codes .......................................................................................................................... 21
2.1.2.3. History of error codes and warnings ........................................................................................................ 22
2.1.2.4. Content of retry ........................................................................................................................................ 22
2.2. Error based troubleshooting .....................................................................................................................23
2.2.1. Indoor unit .................................................................................................................................................... 24
2.2.1.1. “A1-01” – Indoor unit PCB abnormality .................................................................................................... 24
2.2.1.2. “A3-00” – Drain water level system abnormality ...................................................................................... 24
2.2.1.3. “A6-00” – Indoor unit fan motor abnormality ............................................................................................ 24
2.2.1.4. “AJ-00” – Capacity setting abnormality .................................................................................................... 25
2.2.1.5. “C1-00” – Transmission error (indoor & adapter PCB) ............................................................................25
2.2.1.6. “C4-00” – Heat exchanger thermistor abnormality ................................................................................... 26
2.2.1.7. “C5-00” – Intermediate heat exchanger thermistor abnormality ..............................................................26
2.2.1.8. “C9-00” – Suction air thermistor abnormality ........................................................................................... 27
2.2.1.9. “CC-00” – Humidity sensor system abnormality ...................................................................................... 27
2.2.1.10. “CJ-00” – Remote controller thermistor abnormality .............................................................................. 27
2.2.2. Outdoor unit .................................................................................................................................................. 28
2.2.2.1. “E1-00” – Outdoor unit PCB abnormality ................................................................................................. 28
2.2.2.2. “E3-00” – Discharge pressure abnormality .............................................................................................. 28
2.2.2.3. “E4-00” – Suction pressure abnormality .................................................................................................. 29
2.2.2.4. “E5-00” – Compressor motor lock or overheated ..................................................................................... 29
2.2.2.5. “E7-00” – Fan motor abnormality ............................................................................................................. 30
2.2.2.6. “E9-00” – Electronic expansion valve abnormality ................................................................................... 31
2.2.2.7. “F3-00” – Discharge pipe temperature abnormality ................................................................................. 31
2.2.2.8. “H3-00” – High pressure switch abnormality ............................................................................................ 32
2.2.2.9. “H4-00” – Low pressure switch abnormality ............................................................................................. 33
2.2.2.10. “H9-00” – Outdoor air temperature thermistor abnormality ....................................................................33
2.2.2.11. “J3-00” – Discharge pipe thermistor abnormality ................................................................................... 33
2.2.2.12. “J5-00” – Suction pipe thermistor abnormality .......................................................................................34
2.2.2.13. “J6-00” – Outdoor heat exchanger thermistor abnormality .................................................................... 34
2.2.2.14. “J7-00” – Intermediate heat exchanger thermistor abnormality ............................................................. 34
2.2.2.15. “J8-00” – Liquid pipe thermistor abnormality .......................................................................................... 35
2.2.2.16. “L1-00” – Outdoor main PCB abnormality .............................................................................................. 35
2.2.2.17. “L5-00” – Output overcurrent detection .................................................................................................. 36
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SA R32 Sky-Air RZAG-L
ESIE16-03B |
2.2.2.18. “L8-00” – Electronic thermal overload .................................................................................................... 37
2.2.2.19. “L9-00” – Stall prevention time lag ......................................................................................................... 37
2.2.2.20. “LC-00” – Transmission system abnormality .......................................................................................... 38
2.2.2.21. “P1-00” – Open phase or power supply voltage imbalance ...................................................................38
2.2.2.22. “P4-00” – Radiating fin temperature sensor abnormality ....................................................................... 38
2.2.2.23. “PJ-00” – Capacity setting abnormality .................................................................................................. 39
2.2.3. System ......................................................................................................................................................... 40
2.2.3.1. “U0-00” – Refrigerant shortage ................................................................................................................ 40
2.2.3.2. “U1-00” – Reverse phase or open phase .................................................................................................40
2.2.3.3. “U2-00” – Power supply abnormality or instantaneous power failure .......................................................41
2.2.3.4. “U4-00” – Transmission abnormality between indoor unit and outdoor unit .............................................42
2.2.3.5. “UA-00” – Improper combination of indoor unit and outdoor unit .............................................................42
2.2.3.6. “UF-00” – Wiring and piping mismatch ..................................................................................................... 43
2.2.4. Others .......................................................................................................................................................... 43
2.3. Symptom based troubleshooting ............................................................................................................ 44
2.3.1. Indoor unit .................................................................................................................................................... 44
2.3.2. Outdoor unit ................................................................................................................................................. 44
2.3.3. System ......................................................................................................................................................... 44
2.3.4. Others .......................................................................................................................................................... 44
2.4. Component checklist ............................................................................................................................... 45
2.4.1. Indoor unit .................................................................................................................................................... 46
2.4.1.1. Fan motor ................................................................................................................................................. 46
2.4.2. Outdoor unit ................................................................................................................................................. 47
2.4.2.1. 4-way valve .............................................................................................................................................. 47
2.4.2.2. Compressor .............................................................................................................................................. 49
2.4.2.3. Electronic expansion valve ....................................................................................................................... 50
2.4.2.4. Fan motor ................................................................................................................................................. 52
2.4.2.5. High pressure switch ................................................................................................................................53
2.4.2.6. Low pressure switch ................................................................................................................................. 54
2.4.2.7. Main PCB .................................................................................................................................................55
2.4.2.8. Refrigerant thermistors ............................................................................................................................. 57
2.4.3. System ......................................................................................................................................................... 59
2.4.4. Others .......................................................................................................................................................... 59
2.5. Other capacity range ............................................................................................................................... 59
Part 3. Repair ............................................................................................................................61
3.1. Refrigerant repair procedures ................................................................................................................. 61
3.1.1. Refrigerant piping handling .......................................................................................................................... 61
3.1.2. Recovery procedure ..................................................................................................................................... 61
3.1.2.1. Outdoor unit casing .................................................................................................................................. 61
3.1.3. Refrigerant pump down ................................................................................................................................ 63
3.1.3.1. Small outdoor unit ....................................................................................................................................63
3.1.3.2. Large outdoor unit ....................................................................................................................................64
3.1.4. Piping repair procedures .............................................................................................................................. 64
3.2. Service tools ........................................................................................................................................... 65
3.3. Unit specific repair procedures ............................................................................................................... 66
3.3.1. Indoor unit .................................................................................................................................................... 66
3.3.2. Outdoor unit ................................................................................................................................................. 67
3.3.2.1. Basic removal ........................................................................................................................................... 67
3.3.2.2. Replacing thermistor ................................................................................................................................ 71
3.3.2.3. Replacing 4-way valve body .................................................................................................................... 73
3.3.2.4. Replacing 4-way valve coil ....................................................................................................................... 75
3.3.2.5. Replacing accumulator assembly ............................................................................................................75
3.3.2.6. Replacing compressor .............................................................................................................................76
3.3.2.7. Replacing DC fan motor assembly ........................................................................................................... 79
3.3.2.8. Replacing electrical noise filter ................................................................................................................. 80
3.3.2.9. Replacing expansion valve body .............................................................................................................. 81
3.3.2.10. Replacing expansion valve motor .......................................................................................................... 82
3.3.2.11. Replacing solenoid valve ....................................................................................................................... 84
3.3.2.12. Replacing solenoid valve coil ................................................................................................................. 85
SA R32 Sky-Air RZAG-L
ESIE16-03B |
3.3.2.13. Replacing high pressure switches ......................................................................................................... 86
3.3.2.14. Replacing inverter PCB .......................................................................................................................... 87
3.3.2.15. Replacing low pressure switch ............................................................................................................... 88
3.3.2.16. Replacing main PCB .............................................................................................................................. 89
3.3.2.17. Replacing propeller fan blade assembly ................................................................................................ 93
Part 4. Maintenance .................................................................................................................95
4.1. Indoor unit ................................................................................................................................................95
4.1.1. General maintenance indoor unit ................................................................................................................. 95
4.2. Outdoor unit .............................................................................................................................................96
4.2.1. General maintenance outdoor unit ............................................................................................................... 96
Part 5. Appendix .......................................................................................................................97
5.1. Field setting .............................................................................................................................................99
5.1.1. Indoor unit .................................................................................................................................................... 99
5.1.1.1. Retrieve field settings BRC1E .................................................................................................................. 99
5.1.1.2. Retrieve field settings BRC7 .................................................................................................................. 101
5.1.1.3. Sky-Air R32 indoor field settings ............................................................................................................ 102
5.1.2. Outdoor unit ................................................................................................................................................103
5.1.2.1. Retrieve field settings OU mode 2 ......................................................................................................... 103
5.1.2.2. Sky-Air R32 outdoor field settings through outdoor ............................................................................... 105
5.1.3. Remote controller ....................................................................................................................................... 106
5.2. Detailed information setting mode .........................................................................................................107
5.2.1. Indoor unit .................................................................................................................................................. 107
5.2.2. Outdoor unit ................................................................................................................................................107
5.2.3. Remote controller ....................................................................................................................................... 108
5.2.3.1. Quiet (Low Noise) Operation ................................................................................................................. 108
5.2.3.2. I-Demand Function ................................................................................................................................ 109
5.2.3.3. Setting for Low Humidity Application ..................................................................................................... 109
5.2.3.4. Defrost Operation ................................................................................................................................... 112
5.3. Wiring diagram .......................................................................................................................................114
5.3.1. Indoor unit .................................................................................................................................................. 114
5.3.2. Outdoor unit ................................................................................................................................................115
5.3.3. Field wiring ................................................................................................................................................. 116
5.4. Piping diagram .......................................................................................................................................117
5.4.1. Indoor unit .................................................................................................................................................. 117
5.4.2. Outdoor unit ................................................................................................................................................117
5.5. Component overview of unit ..................................................................................................................118
5.5.1. Indoor unit .................................................................................................................................................. 118
5.5.2. Outdoor unit ................................................................................................................................................119
5.6. Product specific information ...................................................................................................................121
5.6.1. Error codes ................................................................................................................................................. 121
5.6.1.1. “E9-00” - Electronic expansion valve abnormality .................................................................................. 121
5.6.1.2. “F3-00” - Discharge pipe temperature abnormality ................................................................................ 121
5.6.2. Component checklist .................................................................................................................................. 121
5.6.2.1. How to activate inverter test ................................................................................................................... 121
5.6.2.2. Component checklist .............................................................................................................................. 121
5.7. Switch box ..............................................................................................................................................122
5.7.1. Indoor unit .................................................................................................................................................. 122
5.7.2. Outdoor unit ................................................................................................................................................122
5.8. Field information report ..........................................................................................................................122
22/08/16 | Version 1.1 Page 5
SA R32 Sky-Air RZAG-L
ESIE16-03B |
Figure 3-1: 1 service port at the stop valves ............................................................................................................ 62
Figure 3-2: 3 service ports at the stop valves .......................................................................................................... 63
Figure 3-3: Removing the top plate assembly .......................................................................................................... 67
Figure 3-4: Removing the front plate ........................................................................................................................ 68
Figure 3-5: Removing the front plate assembly ....................................................................................................... 68
Figure 3-6: Removing the cover ............................................................................................................................... 69
Figure 3-7: Removing the piping cover .................................................................................................................... 69
Figure 3-8: Removing the right side plate ................................................................................................................ 70
Figure 3-9: Thermistor location ................................................................................................................................ 71
Figure 3-10: Replacing a thermistor ......................................................................................................................... 72
Figure 3-11: Removing 4-way valve body ................................................................................................................ 73
Figure 3-12: Removing 4-way valve body ................................................................................................................ 75
Figure 3-13: Removing stop valve mounting plate ................................................................................................... 76
Figure 3-14: Removing compressor ......................................................................................................................... 77
Figure 3-15: Removing the DC fan motor assembly ................................................................................................ 79
Figure 3-16: Removing the electrical noise filter ...................................................................................................... 80
Figure 3-17: Removing expansion valve .................................................................................................................. 81
Figure 3-18: Removing expansion valve motor ........................................................................................................ 82
Figure 3-19: Removing expansion valve motor ........................................................................................................ 83
Figure 3-20: Removing solenoid valve ..................................................................................................................... 84
Figure 3-21: Removing solenoid valve coil .............................................................................................................. 85
Figure 3-22: Removing high pressure switches ....................................................................................................... 86
Figure 3-23: Removing low pressure switch ............................................................................................................ 88
Figure 3-24: Removing the main PCB assembly ..................................................................................................... 90
Figure 3-25: Stripping the main PCB assembly (front) ............................................................................................. 91
Figure 3-26: Stripping the main PCB assembly (rear) ............................................................................................. 92
Figure 3-27: Removing the propeller fan blade assembly ........................................................................................ 93
Figure 5-1: Wiring diagram - indoor unit ................................................................................................................. 114
Figure 5-2: Wiring diagram - outdoor unit 71 ......................................................................................................... 115
Figure 5-3: Wiring diagram - outdoor unit 100-140 ................................................................................................ 116
Figure 5-4: Piping diagram - indoor unit ................................................................................................................. 117
Figure 5-5: Piping diagram - outdoor unit ............................................................................................................... 117
Figure 5-6: Components overview - indoor unit ..................................................................................................... 118
Figure 5-7: Components overview - outdoor unit 71 .............................................................................................. 119
Figure 5-8: Components overview - outdoor unit 100-140 ..................................................................................... 120
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 1. Introduction 1.1. Version log
Part 1. Introduction
This part contains the following chapters:
Version log .............................................................................................................................................................................................7
Safety precautions..................................................................................................................................................................................8
General operation.................................................................................................................................................................................11
How to use ...........................................................................................................................................................................................12
1.1. Version log
Version code Description Date
ESIE16-03A Document release 19/07/2016
ESIE16-03B Update chapter 2.1.2.: correction of setting items in monitor mode for malfunction/con-
tent of retry
Update chapter 3.3.2.2.: addition of 3D view of RZAG71
Update chapter 5.6.2.: component checklist added
22/08/2016
22/08/16 | Version 1.1 Page 7
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 1. Introduction 1.2. Safety precautions
1.2. Safety precautions
The precautions described in this document cover very important topics, follow them carefully.
All activities described in the service manual must be performed by an authorized person.
If you are not sure how to install, operate or service the unit, contact your dealer.
In accordance with the applicable legislation, it might be necessary to provide a logbook with the product containing at least: information on maintenance, repair work, results of tests, stand-by periods, …
Also, at least, following information must be provided at an accessible place at the product:
• Instructions for shutting down the system in case of an emergency
• Name and address of fire department, police and hospital
• Name, address and day and night telephone numbers for obtaining service
In Europe, EN378 provides the necessary guidance for this logbook.
1.2.1. Meaning of symbols
WARNING
Indicates a situation that could result in death or serious injury.
WARNING: RISK OF ELECTROCUTION
Indicates a situation that could result in electrocution.
WARNING: RISK OF BURNING
Indicates a situation that could result in burning because of extreme hot or cold temperatures.
WARNING: RISK OF EXPLOSION
Indicates a situation that could result in explosion.
WARNING: RISK OF POISONING
Indicates a situation that could result in poisoning.
WARNING: RISK OF FIRE
Indicates a situation that could result in fire.
CAUTION
Indicates a situation that could result in equipment or property damage.
INFORMATION
Indicates useful tips or additional information.
1.2.2. Warnings
WARNING
Improper installation or attachment of equipment or accessories could result in electric shock, short-circuit, leaks, fire or other damage to the equipment. Only use accessories, optional equipment and spare parts made or approved by Dai­kin.
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 1. Introduction 1.2. Safety precautions
WARNING
Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation).
WARNING
Make sure the work site environment is clean and safe to work in. Beware of spilled fluids, like water, oil or other sub­stances. Protect bystanders from injury and property from possible damage cause by service works.
WARNING
Wear adequate personal protective equipment (protective gloves, safety glasses,…) when installing, maintaining or ser­vicing the system.
WARNING
Tear apart and throw away plastic packaging bags so that nobody, especially children, can play with them. Possible risk: suffocation.
WARNING
Do NOT touch the air inlet or aluminium fins of the unit.
WARNING
• Do NOT place any objects or equipment on top of the unit.
• Do NOT sit, climb or stand on the unit.
WARNING
During tests, NEVER pressurize the product with a pressure higher than the maximum allowable pressure (as indicated on the nameplate of the unit).
WARNING
• Never mix different refrigerants or allow air to enter the refrigerant system.
• Never charge recovered refrigerant from another unit. Use recovered refrigerant only on the same unit where it was recovered from, or have it recycled at a certified facility.
WARNING: RISK OF FIRE
• When reconnecting a connector to the PCB, do not apply force or damage the connector or the connector pins on the PCB.
WARNING: RISK OF BURNING
• Do NOT touch the refrigerant piping, water piping or internal parts during and immediately after operation. It could be too hot or too cold. Give it time to return to normal temperature. If you must touch it, wear protective gloves.
• Do NOT touch any accidental leaking refrigerant.
WARNING
Always recover the refrigerants. Do NOT release them directly into the environment. Use a recovery pump to evacuate the installation.
Take sufficient precautions in case of refrigerant leakage. If refrigerant gas leaks, ventilate the area immediately.
Possible risks:
• Excessive refrigerant concentrations in a closed room can lead to oxygen deficiency.
• Toxic gas may be produced if refrigerant gas comes into contact with fire.
Where applicable, pump down the system and close the service valve, before leaving the site if leak was not repaired, to avoid further leaking of the refrigerant.
WARNING: RISK OF ELECTROCUTION
• Turn OFF all power supply before removing the switch box cover, connecting electrical wiring or touching electrical parts. Where applicable, stop the equipment's operation first and allow (refrigerant) pressure to equalize, before turning OFF the power. Disconnect the power supply for more than 1 minute, and measure the voltage at the terminals of main circuit capacitors or electrical components before servicing. The voltage must be less than 50 V DC before you can touch electrical components. For the location of the terminals, refer to "Wiring diagram" on page 114.
• Do NOT touch electrical components with wet hands.
• Do NOT leave the unit unattended when the service cover is removed.
• Protect electric components from getting wet while the service cover is opened.
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SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 1. Introduction 1.2. Safety precautions
WARNING
• Only use copper wires.
• All field wiring must be performed in accordance with the wiring diagram and installation manual supplied with the product.
• If the power cable and lead wires have scratches or deteriorated, be sure to replace them. Damaged cable and wires may cause an electrical shock, excessive heat generation or fire.
• Secure all terminal connections and provide proper routing for cables, both inside and outside the switchbox.
• NEVER squeeze bundled cables and make sure they do not come in contact with the piping and sharp edges.
• Make sure no external pressure is applied to the terminal connections.
• Make sure to check the earth wiring. Do NOT earth the unit to a utility pipe, surge absorber, or telephone earth. Improper earth wiring may cause electrical shock.
• Make sure to use a dedicated power circuit. NEVER use a power supply shared by another appliance.
• Make sure to check the required fuses and/or circuit breakers before starting works.
WARNING
• After finishing the electrical work, confirm that each electrical component and terminal inside the electrical components box is connected securely.
• Make sure all covers are closed before starting the unit again.
1.2.3. Cautions
CAUTION
Provide adequate measures to prevent that the unit can be used as a shelter by small animals. Small animals that make contact with electrical parts can cause malfunctions, smoke or fire.
CAUTION
• Make sure water quality complies with EU directive 98/83 EC.
• Check the system for leaks after each repair/modification of the water side.
• Check drainage system(s) after repairs.
• Be careful when tilting units as water may leak.
1.2.4. Information
INFORMATION
Make sure refrigerant piping installation complies with applicable legislation. In Europe, EN378 is the applicable stand­ard.
INFORMATION
Make sure the field piping and connections are not subjected to stress.
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 1. Introduction 1.3. General operation
1.3. General operation
• The Sky-Air is typically used for cooling or heating in commercial applications. Some units also have settings to perform technical cooling. The medium which is used to transfer the heat from inside to outside or vice versa, is refrigerant. In case of the RZAG-L, the refrigerant which is used, is R32.
• In case of heating, the compressor builds up pressure and hence the temperature of the refrigerant is increased. The hot refrigerant is blown into the room by a fan which blows over a heat exchanger. Colder refrigerant flows back to the outdoor unit, where temperature is further decreased by expansion through an expansion valve. After the expansion valve, the refrigerant is capable of taking up heat again. This is enabled by a fan that sucks outdoor air over a heat exchanger. This refrigerant is then transported to the compressor where temperature is further built up again and the cycle starts again. For cooling, it’s just the other way round.
1. Compressor 4. Electronic expansion valve
2. Indoor heat exchanger 5. Outdoor heat exchanger
3. Fan
22/08/16 | Version 1.1 Page 11
SA R32 Sky-Air RZAG-L
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1.4. How to use
1.4.1. Interactive information flow
This Daikin product Service Manual is intended for professional use only. The actions described hereafter, are only to be performed by qualified and certified persons, taking into account the safety precautions mentioned in this manual and the local regulations as well.
By following the diagram below, the reader can find the relevant information related to his/her task. The digital (pdf) version of this book allows direct page access through all active links. When Adobe Acrobat Reader is used, the <Alt> + <Back Arrow> keys or the arrow in the top right-hand corner of this page can be used to return to the previously viewed page.
?
Is this your 1st encounter with this particular unit?
How to retrieve
Error Codes
YES
PART 2
Troubleshooting
?
Is an Error Code
displayed?
NO
NO
?
What do you need to do?
PART 3
Repair
YES
PART 4
Maintenance
General
operation
Installation
Refer to:
Installation Manual
or
Installer Reference Guide
Error Code based
troubleshooting
Component
checklist
?
Is repair necessary?
e
Symptom based troubleshooting
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 1. Introduction 1.4. How to use
1.4.2. Parts of the book
This Daikin product Service Manual is intended for professional use only. The actions described hereafter, are only to be performed by qualified and certified persons, taking into account the safety precautions mentioned in this manual and the local regulations as well.
As can be observed from the Table of Contents, this manual is split up into several chapters:
1.4.2.1. The introduction chapter
The chapter "Introduction" on page 7 includes the safety precautions, this topic and the general operation description of the product(s) this manual refers to.
1.4.2.2. The troubleshooting chapter
The chapter "Troubleshooting" on page 15 not only deals with the methods to recognize and resolve occurring error codes; it also describes the methods how to solve a problem that does not immediately trigger an error code. Such problems are referred to as 'symptom based'. Both the error code based and symptom based troubleshooting tables, indicate possible causes, the necessary checks and in case required, how to repair. The possible causes have been sorted to probability of occurrence and speed of execution.
1.4.2.3. The repair chapter
The chapter "Repair" on page 61 handles the removal and replacement of the major components in the product and discusses cleaning methods as well if applicable, such as for filters. Where applicable, refrigerant handling precautions are mentioned for certain actions; please consider these carefully for your own safety.
1.4.2.4. The maintenance chapter
The chapter "Maintenance" on page 95 of this manual describes the maintenance intervals and procedures to be performed on the product. Remember that a well maintained product, is a more reliable and efficient product.
1.4.2.5. Appendices
Finally, the service manual provides in chapter "Appendix" on page 97 valuable reference data such as piping/wiring diagrams, field settings overview and a checklist to be filled in when you need to escalate an issue to your dealer.
1.4.3. Contact information
This manual has been made with much care and effort. Use it in your daily jobs, as it has been made for you.
Despite our efforts, there is always a chance some cleric or other mistake has been made during the creation of this manual. We kindly ask you to send the found mistakes, or remarks for improvement, to the no-reply email address
servicemanual@daikineurope.com.
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SA R32 Sky-Air RZAG-L
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 2. Troubleshooting 2.1. Error codes check
Part 2. Troubleshooting
This part contains the following chapters:
Error codes check ................................................................................................................................................................................15
Error based troubleshooting.................................................................................................................................................................23
Symptom based troubleshooting ..........................................................................................................................................................44
Component checklist............................................................................................................................................................................45
Other capacity range ............................................................................................................................................................................59
2.1. Error codes check
2.1.1. Error codes via remote controller
2.1.1.1. Error codes via wired remote controller BRC1E
2.1.1.1.1 How to retrieve error codes
The following message will be displayed on the screen when a malfunction or a warning occurs during operation.
1
2
3
4
1. Screen 3. ‘menu’ button
2. Operation lamp 4. ‘cancel’ button
Operation Status Display
Abnormal shut-down The system stops operating. The operation lamp (green) starts to
blink. The message “Error: Press Menu button” will appear and blink at the bottom of the screen.
Warning The system continues its operation. The operation lamp (green) remains
If an error or warning is present, it will be displayed on the user interface screen: for more information about troubleshooting, refer to "Error based troubleshooting" on page 23.
22/08/16 | Version 1.1 Page 15
on. The message “Warning: Press Menu button” will appear and blink at the bottom of the screen.
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 2. Troubleshooting 2.1. Error codes check
2.1.1.1.2 How to reset error codes
In "Error based troubleshooting" on page 23 you find a description of how to reset the specific error or warning.
2.1.1.1.3 History of error codes
<Basic screen>
8-1 Press and hold the Cancel button for
8-1 4 seconds or longer in the Basic screen. The Service Settings menu is displayed.
Cool
Set to
28°C
Press and hold the Cancel button for 4 seconds or longer while the backlight is lit.
<Service Settings>
8-2 Select Error History and press the
Menu/Enter button. The Error History menu is displayed
8-2
Service Settings
Indoor Unit Airnet Address Outdoor Unit Airnet Address
Error History
Indoor Unit Status Outdoor Unit Status Forced Fan ON
SettingReturn
2/3
Press the Menu/Enter button.
8-3 Select RC Error History and press the
Menu/Enter button. The error codes and unit No. can be confirmed in the RC Error History screen.
8-4 In the RC Error History screen the last
10 items are displayed in order.
8-5 Press the Cancel button in the RC
Error History screen 3 times. The Basic screen returns.
INFORMATION
The indoor unit error history of each indoor unit can be independently consulted. The last 5 items are displayed in order of appearance.
8-3
Error History
RC Error History
Indoor Unit Error History
2/2
Press the Menu/Enter button.
SettingReturn
8-4 1. Latest record
8-5
RC Error History
Unit Error Date Time
Return
1/3
2. Unit no.
12
.
SA R32 Sky-Air RZAG-L
“UP” button “DOWN” button
“UP” button “DOWN” button
ESIE16-03B | Part 2. Troubleshooting 2.1. Error codes check
2.1.1.2. Error codes via wireless remote controller BRC7
2.1.1.2.1 How to retrieve error codes
If the unit stops due to an error, the operation indicating LED on the indoor unit flashes.
The error code can be determined through the wireless remote controller by following the procedure described below.
If an error or warning is present, it will be displayed on the screen: for more information about troubleshooting, refer to "Error based
troubleshooting" on page 23.
1 Press the INSPECTION/TEST button to select “inspection”. The equipment enters the
inspection mode. The “Unit” indication is displayed and the Unit No. display shows flashing “0” indication.
2 Set the Unit No.
Press the UP or DOWN button and change the Unit No. display until the buzzer (*1) is generated from the indoor unit.
*1 Number of beeps
3 short beeps: Conduct all of the following operations.
1 short beep: Conduct steps 3 and 4.
Continue the operation in step 4 until a buzzer remains ON. The continuous buzzer indicates that the error code is confirmed.
Continuous beep: No abnormality.
3 Press the MODE selector button.
The left “0” (upper digit) indication of the error code flashes.
4 Error code upper digit diagnosis
Press the UP or DOWN button and change the error code upper digit until the error code matching buzzer (*2) is generated.
• The upper digit of the code changes as shown below when the UP and DOWN buttons are pressed.
*2 Number of beeps
Continuous beep: Both upper and lower digits matched. (Error code confirmed)
2 short beeps: Upper digit matched.
1 short beep: Lower digit matched.
5 Press the MODE selector button.
The right “0” (lower digit) indication of the error code flashes.
6 Error code lower digit diagnosis
Press the UP or DOWN button and change the error code lower digit until the continu­ous error code matching buzzer (*2) is generated.
• The lower digit of the code changes as shown below when the UP and DOWN buttons are pressed.
22/08/16 | Version 1.1 Page 17
ESIE16-03B | Part 2. Troubleshooting 2.1. Error codes check
1 Press INSPECTION/TEST button.
Normal status
Enters inspection mode from normal status when the INSPECTION/ TEST button is pressed.
When MODE selector button is pressed or no button is pressed for 1 minute, equip­ment returns to normal status.
3 Press MODE selector button.
5 Press MODE selector button.
SA R32 Sky-Air RZAG-L
2.1.1.2.2 How to reset error codes
In "Error based troubleshooting" on page 23 you find a description of how to reset the specific error or warning.
SA R32 Sky-Air RZAG-L
To enter "Monitor mode," push the MODE (BS1) button on A2P when in "Setting mode 1". (*)
<Display of RETURN 1>
<Display of RETURN 2>
<Display of RETURN 3>
Push the SET (BS2) button to set the LED display to malfunction item according to binary counting. (**)
When SET (BS2) button is pushed, the LED display for RETURN 2 turns ON.
When SET (BS2) button is pushed, the LED display for RETURN 3 turns ON.
Check the error code that matches the LED sequence (see table on next page).
Push the RETURN (BS3) button to return the system to the initial state of "Monitor mode".
When the RETURN (BS3) button is pushed, the LED display for RETURN 1 turns ON.
! Pushing the MODE (BS1) button will bring the system to the "Setting mode 1".
ESIE16-03B | Part 2. Troubleshooting 2.1. Error codes check
2.1.2. Error codes via outdoor unit PCB
2.1.2.1. How to retrieve error codes
There are 2 ways to retrieve error codes through the outdoor unit:
1. Troubleshooting by LED on the outdoor main PCB
The following diagnosis can be conducted by turning on the power switch and checking the LED indication on the PCB of the outdoor unit.
w : LED on / x : LED off / c : LED blinks / — : Not used for diagnosis
LED detection
DescriptionHAP H1P
(Green) (Red)
cx
w
x
— Faulty outdoor unit PCB (Information 1)
— Power supply abnormality, or faulty outdoor unit PCB (Information 2)
cw
INFORMATION
1. Turn off the power switch, and turn it on again after 5 seconds or more. Check the error condition, and diagnose the problem.
2. Turn off the power switch. After 5 seconds or more, disconnect the connection wire (2). Then turn on the power switch. If the HAP on the outdoor unit PCB flashes after about 10 seconds, the PCB A1P is faulty.
3. Also check for open phase.
INFORMATION
The error detection monitor continues to indicate the previously generated error until the power switch is turned off.
Be sure to turn off the power switch after inspection.
Normal
Activation of protection device (Information 3)
.
.
2. Troubleshooting by LED on the outdoor service PCB
Take the following steps to check the error or warning (malfunction):
22/08/16 | Version 1.1 Page 19
SA R32 Sky-Air RZAG-L
MODE
H1P
On Off Blinking
MODE
H1P
MODE
H1P
Setting mode 2
Setting mode 1 Monitor mode
Push and hold the BS1 (MODE button) for 5 seconds.
Push the BS1 (MODE button) one time.
Push the BS1 (MODE button) one time.
(Normal)
ESIE16-03B | Part 2. Troubleshooting 2.1. Error codes check
(*) Using the MODE button, the modes can be changed as follows.
(**)
HAP H1P H2P H3P H4P H5P H6P H7P
LED-status:
Binary counting: value: 6432168421
Setting item: 14= latest error=
15= previous error=
16= 2 before=
wwwwwwww
|||||||
|||||||
w x x www x w x x wwww wxwx x x x
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 2. Troubleshooting 2.1. Error codes check
w: ON x: OFF c: BLINK
Malfunc-
Contents of retry or malfunction
tion code
C4 Indoor heat exchanger thermistor
E1 Faulty outdoor PC board
E3 Abnormal high pressure
E4 Abnormal low pressure
E5 Compressor motor lock
E7 Abnormal
outdoor fan motor
E9 Abnormal
electronic expansion valve
F3 Abnormal
discharge pipe temperature
H3 Abnormal high pressure switch
H9 Abnormal outdoor air thermistor
J1 Abnormal pressure sensor
J3 Abnormal discharge pipe thermistor
J5 Abnormal suction pipe thermistor
J6 Abnormal heat exchanger distributor pipe
thermistor
J7 Abnormal intermediate heat exchanger
thermistor
J8 Abnormal liquid pipe thermistor
L1 PC board failure
L4 Elevated radiation fin temperature
L5 Compressor instantaneous overcurrent
L8 Compressor overload
L9 Compressor lock
LC Abnormal transmission (between the control
and the inverter)
P1 Unbalanced power supply voltage
P4 Abnormal radiation fin thermistor
PJ Faulty capacity setting
U0 Abnormal gas
shortage
U2 Abnormal
power supply voltage
U4 Abnormal transmission (between indoor and
outdoor units)
UA Faulty field setting switch
UF Improper piping and improper communication
wiring
DC motor 1 lock
DC motor 2 lock
Abnormal inverter transmission
Disconnected electronic expansion valve connector
Malfunction due to wet conditions
Abnormal discharge pipe temperature
Disconnected discharge pipe thermistor
Gas shortage warning
Abnormal gas shortage
Inverter undervoltage and overvoltage
SP-PAM overvoltage
HAPH1PH2PH3PH4PH5PH6PH7PHAPH1PH2PH3PH4PH5PH6PH7PHAPH1PH2PH3PH4PH5PH6PH7
c
cc x w x x ccccw x x x x cccww x x x x
cc x w x c x cccw x x x ccccww x x x c
cc x w x c x x ccw x x x ccccww x x x x
cc x w x cc x ccw x x x x cccww x x x x
cc x w x cccccw x x x x cccww x x x x
cc x wc x x x ccw x x x x cccww x x x x
ccxwcxxcccwxxxxxccwwxxxc
Return 1 Return 2 Return 3
P
cwxxxcxccwxxcxxccwwxxxx
ccw x x x ccccww x x x x ccwx xcx xccwwx x x x ccw x xc x cccww x x x x ccw x xcccccww x x xc
ccww x x c x ccww x x cc
ccw x c x x cccww x x x c
ccww x x c x
ccww x x c x
ccw x c x x cccww x x x x
ccw x x x ccccww x x x x ccw x xc x cccww x x x x ccwx xccxccwwx x x x
ccw x xcccccww x x x x
ccwxcx x xccwwx x x x
ccwx xcx xccwwx x x x ccw x xc x cccww x x x x ccwxcx x xccwwx x x x ccw x c x x cccww x x x x ccw x cc x x ccww x x x x
ccwx xcx xccwwx x x x ccw x cc x cccww x x x x
ccww x x c x
ccwx x xcxccwwx x xc
ccww x x c x
ccwx xcx xccwwx x x x
ccwxcxcxccwwx x x x
ccccccww x x x x
For more information about troubleshooting, refer to "Error based troubleshooting" on page 23.
2.1.2.2. How to reset error codes
In "Error based troubleshooting" on page 23 you find a description on how to reset the specific error or warning.
22/08/16 | Version 1.1 Page 21
SA R32 Sky-Air RZAG-L
To enter "Monitor mode", press the MODE (BS1) button when in "Setting mode 1".
<Selection of retry or error item>
<Display of RETURN 1>
When the RETURN (BS3) button is pressed, the LED display for RETURN 1 turns ON.
When SET (BS2) button is pressed, the LED display for RETURN 2 turns ON.
When SET (BS2) button is pressed, the LED display for RETURN 3 turns ON.
Press the RETURN (BS3) button to return the system to the initial state of "Monitor mode".
* Pressing the MODE (BS1) button will bring the system to the "Setting mode 1".
Press the SET (BS2) button to set the LED display to retry item.
<Display of RETURN 2>
<Display of RETURN 3>
Check the retry that matches the LED sequence (see table above).
ESIE16-03B | Part 2. Troubleshooting 2.1. Error codes check
2.1.2.3. History of error codes and warnings
As described in above procedure, the latest error or warning codes can also be consulted in Monitor mode:
Setting item 5= latest error
Setting item 6= previous error
Setting item 7= 2 before
For the procedure and the meaning of the different displays, refer to "How to retrieve error codes" above.
2.1.2.4. Content of retry
Through the outdoor PCB, the content of retry can be determined.
Here, you can find the errors which are being created before they are being displayed on the user interface.
As described in below procedure, the content of retry can again be consulted in Monitor mode:
Setting item 2= latest retry
Setting item 3= 1 cycle before
Setting item 4= 2 cycles before
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 2. Troubleshooting 2.2. Error based troubleshooting
2.2. Error based troubleshooting
Overview of error codes:
Indoor unit ............................................................................................................................................................................................24
“A1-01” – Indoor unit PCB abnormality ....................................................................................................................................24
“A3-00” – Drain water level system abnormality.......................................................................................................................24
“A6-00” – Indoor unit fan motor abnormality.............................................................................................................................24
“AJ-00” – Capacity setting abnormality ....................................................................................................................................25
“C1-00” – Transmission error (indoor & adapter PCB).............................................................................................................25
“C4-00” – Heat exchanger thermistor abnormality...................................................................................................................26
“C5-00” – Intermediate heat exchanger thermistor abnormality...............................................................................................26
“C9-00” – Suction air thermistor abnormality............................................................................................................................27
“CC-00” – Humidity sensor system abnormality.......................................................................................................................27
“CJ-00” – Remote controller thermistor abnormality ................................................................................................................27
Outdoor unit..........................................................................................................................................................................................28
“E1-00” – Outdoor unit PCB abnormality..................................................................................................................................28
“E3-00” – Discharge pressure abnormality...............................................................................................................................28
“E4-00” – Suction pressure abnormality...................................................................................................................................29
“E5-00” – Compressor motor lock or overheated .....................................................................................................................29
“E7-00” – Fan motor abnormality .............................................................................................................................................30
“E9-00” – Electronic expansion valve abnormality ...................................................................................................................31
“F3-00” – Discharge pipe temperature abnormality..................................................................................................................31
“H3-00” – High pressure switch abnormality ............................................................................................................................32
“H4-00” – Low pressure switch abnormality .............................................................................................................................33
“H9-00” – Outdoor air temperature thermistor abnormality ......................................................................................................33
“J3-00” – Discharge pipe thermistor abnormality .....................................................................................................................33
“J5-00” – Suction pipe thermistor abnormality..........................................................................................................................34
“J6-00” – Outdoor heat exchanger thermistor abnormality.......................................................................................................34
“J7-00” – Intermediate heat exchanger thermistor abnormality................................................................................................34
“J8-00” – Liquid pipe thermistor abnormality............................................................................................................................35
“L1-00” – Outdoor main PCB abnormality ................................................................................................................................35
“L5-00” – Output overcurrent detection ....................................................................................................................................36
“L8-00” – Electronic thermal overload ......................................................................................................................................37
“L9-00” – Stall prevention time lag ...........................................................................................................................................37
“LC-00” – Transmission system abnormality............................................................................................................................38
“P1-00” – Open phase or power supply voltage imbalance .....................................................................................................38
“P4-00” – Radiating fin temperature sensor abnormality..........................................................................................................38
“PJ-00” – Capacity setting abnormality ....................................................................................................................................39
System .................................................................................................................................................................................................40
“U0-00” – Refrigerant shortage ................................................................................................................................................40
“U1-00” – Reverse phase or open phase.................................................................................................................................40
“U2-00” – Power supply abnormality or instantaneous power failure.......................................................................................41
“U4-00” – Transmission abnormality between indoor unit and outdoor unit.............................................................................42
“UA-00” – Improper combination of indoor unit and outdoor unit .............................................................................................42
“UF-00” – Wiring and piping mismatch.....................................................................................................................................43
Others .................................................................................................................................................................................................43
22/08/16 | Version 1.1 Page 23
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 2. Troubleshooting 2.2. Error based troubleshooting
2.2.1. Indoor unit
2.2.1.1. “A1-01” – Indoor unit PCB abnormality
Trigge r Effect Reset
EEPROM data is not received correctly. Unit will stop operating. Power reset via outdoor unit.
Possible cause Check Corrective action
Indoor Unit - Electrical components
Faulty indoor PCB. Check if error still occurs after turning off
power and turning it back on again.
Check if the indoor PCB receives power.
Check if the HAP LED is blinking in regu­lar intervals.
Check if the correct spare part is installed.
Check the wiring to indoor PCB.
2.2.1.2. “A3-00” – Drain water level system abnormality
Adjust power to the indoor PCB.
Replace indoor PCB when HAP LED is not blinking in regular intervals.
Install correct spare part or update indoor PCB.
Adjust wiring to indoor PCB when required.
Trigge r Effect Reset
Drain water level reaches its upper limit and float switch turns OFF.
Unit will stop operating. Automatic reset.
Possible cause Check Corrective action
Defective drain pump. Check drain pump. Replace drain pump when required.
Improper drain piping work or clogging. Check if drain piping is executed correctly.
Check if drain piping is clogged.
Defective flow switch. Check flow switch. Replace flow switch when required.
(for optional drain pump kit) Defective short circuit connector X15A.
Faulty indoor PCB. Check if error still occurs after turning off
Check if connector is firmly connected.
Check the continuity of the short circuit connector.
power and turning it back on again.
Check if the indoor PCB receives power.
Check if the HAP LED is blinking in regu­lar intervals.
Check if the correct spare part is installed.
Check the wiring to indoor PCB.
Correct or clean drain piping when required.
Connect the short circuit connector.
Replace the short circuit connector when required.
Replace the indoor PCB when required.
Adjust power to the indoor PCB.
Replace indoor PCB when HAP LED is not blinking in regular intervals.
Install correct spare part or update indoor PCB.
Adjust wiring to indoor PCB when required.
2.2.1.3. “A6-00” – Indoor unit fan motor abnormality
Trigge r Effect Reset
The rotation speed of the fan motor is not detected while the output voltage to the fan is at its maximum.
Unit will stop operating. Power reset via outdoor unit.
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 2. Troubleshooting 2.2. Error based troubleshooting
Possible cause Check Corrective action
Faulty indoor PCB. Check if error still occurs after turning off
power and turning it back on again.
Check if the indoor PCB receives power.
Check if the HAP LED is blinking in regu­lar intervals.
Check if the correct spare part is installed.
Check the wiring to indoor PCB.
Faulty indoor fan motor. Check the fan motor (see "Fan motor" on
page 46).
Check fan motor connections and wiring.
Indoor fan motor locked. Switch of the power.
Turn fan manually.
Adjust power to the indoor PCB.
Replace indoor PCB when HAP LED is not blinking in regular intervals.
Install correct spare part or update indoor PCB.
Adjust wiring to indoor PCB when required.
Replace fan motor when required.
Adjust wiring when required.
Replace fan motor when the fan does not turn smoothly.
2.2.1.4. “AJ-00” – Capacity setting abnormality
Trigge r Effect Reset
The capacity setting adaptor is not con­nected or not recognised by the indoor PCB.
Unit will stop operating. Power reset via outdoor unit.
Possible cause Check Corrective action
Faulty indoor PCB. Check if error still occurs after turning off
Faulty capacity adapter on indoor PCB (in case of spare part PCB).
power and turning it back on again.
Check if the indoor PCB receives power.
Check if the HAP LED is blinking in regu­lar intervals.
Check if the correct spare part is installed.
Check the wiring to indoor PCB.
Check if the correct adapter is installed.
Check if the correct spare part is installed.
Adjust power to the indoor PCB.
Replace indoor PCB when HAP LED is not blinking in regular intervals.
Install correct spare part or update indoor PCB.
Adjust wiring to indoor PCB when required.
Adjust capacity adapter when required.
2.2.1.5. “C1-00” – Transmission error (indoor & adapter PCB)
Trigge r Effect Reset
When normal transmission between indoor unit PCB & adaptor PCB is not conducted for a certain duration (15 sec­onds or more).
Possible cause Check Corrective action
Faulty adaptor PCB. Check if the adaptor PCB is installed.
Unit will stop operating. Power reset via outdoor unit.
Adjust when required.
Check if the connector X8A on the adap­tor PCB is not circuited.
Check the wire harness.
22/08/16 | Version 1.1 Page 25
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 2. Troubleshooting 2.2. Error based troubleshooting
Possible cause Check Corrective action
Faulty indoor PCB. Check if error still occurs after turning off
External factory (e.g. electrical noise) (cause when error is reset after power reset, and error happens again after a while).
Internal wiring is not OK. Check if wiring between PCB’s is correct
power and turning it back on again.
Check if the indoor PCB receives power.
Check if the HAP LED is blinking in regu­lar intervals.
Check if the correct spare part is installed.
Check the wiring to indoor PCB.
Check for source which could cause elec­trical interference.
(refer to wiring diagram).
Adjust power to the indoor PCB.
Replace indoor PCB when HAP LED is not blinking in regular intervals.
Install correct spare part or update indoor PCB.
Adjust wiring to indoor PCB when required.
Avoid electrical interference.
Correct wiring.
2.2.1.6. “C4-00” – Heat exchanger thermistor abnormality
Trigge r Effect Reset
Resistance value is out of range.
T measured < -43.6°C or > 90°C.
Unit will stop operating. Automatic reset when resistance is within
range.
Possible cause Check Corrective action
Faulty Heat Exchanger thermistor. Check heat exchanger thermistor (see
"Refrigerant thermistors" on page 57).
Faulty indoor PCB. Check if error still occurs after turning off
power and turning it back on again.
Check if the indoor PCB receives power.
Check if the HAP LED is blinking in regu­lar intervals.
Check if the correct spare part is installed.
Check the wiring to indoor PCB.
Replace heat exchanger thermistor when required.
Adjust power to the indoor PCB.
Replace indoor PCB when HAP LED is not blinking in regular intervals.
Install correct spare part or update indoor PCB.
Adjust wiring to indoor PCB when required.
2.2.1.7. “C5-00” – Intermediate heat exchanger thermistor abnormality
Trigge r Effect Reset
Resistance value is out of range.
T measured < -43.6°C or > 90°C.
Possible cause Check Corrective action
Faulty Intermediate Heat Exchanger ther­mistor.
Faulty indoor PCB. Check if error still occurs after turning off
Unit will stop operating. Automatic reset when resistance is within
Check intermediate heat exchanger ther­mistor (see "Refrigerant thermistors" on
page 57).
power and turning it back on again.
Check if the indoor PCB receives power.
Check if the HAP LED is blinking in regu­lar intervals.
Check if the correct spare part is installed.
Check the wiring to indoor PCB.
range.
Replace intermediate heat exchanger thermistor when required.
Adjust power to the indoor PCB.
Replace indoor PCB when HAP LED is not blinking in regular intervals.
Install correct spare part or update indoor PCB.
Adjust wiring to indoor PCB when required.
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 2. Troubleshooting 2.2. Error based troubleshooting
2.2.1.8. “C9-00” – Suction air thermistor abnormality
Trigge r Effect Reset
Resistance value is out of range.
T measured < -43.6°C or > 90°C.
Unit will stop operating. Automatic reset when resistance is within
range.
Possible cause Check Corrective action
Faulty suction air thermistor. Check suction air thermistor (see "Refrig-
erant thermistors" on page 57).
Faulty indoor PCB. Check if error still occurs after turning off
power and turning it back on again.
Check if the indoor PCB receives power.
Check if the HAP LED is blinking in regu­lar intervals.
Check if the correct spare part is installed.
Check the wiring to indoor PCB.
Replace suction air thermistor when required.
Adjust power to the indoor PCB.
Replace indoor PCB when HAP LED is not blinking in regular intervals.
Install correct spare part or update indoor PCB.
Adjust wiring to indoor PCB when required.
2.2.1.9. “CC-00” – Humidity sensor system abnormality
Trigge r Effect Reset
The humidity sensor is disconnected or short circuit when the unit is running.
Unit will not stop operating. Manual reset via user interface.
Possible cause Check Corrective action
Faulty humidity sensor. Check good connection to indoor PCB. Replace the humidity sensor when
External factory (e.g. electrical noise) (cause when error is reset after power reset, and error happens again after a while).
Check for source which could cause elec­trical interference.
required.
Avoid electrical interference.
2.2.1.10. “CJ-00” – Remote controller thermistor abnormality
Trigge r Effect Reset
Disconnected or short circuit remote con­troller thermistor.
Possible cause Check Corrective action
Indoor Unit - Electrical components
Faulty remote controller thermistor. Erase the error record from the remote
External factory (e.g. electrical noise) (cause when error is reset after power reset, and error happens again after a while).
Unit will not stop operating. Automatic reset.
controller.
Check for source which could cause elec­trical interference.
Push the ON/OFF button on the remote controller for 5 seconds in the check mode.
Replace the remote controller.
Avoid electrical interference.
22/08/16 | Version 1.1 Page 27
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 2. Troubleshooting 2.2. Error based troubleshooting
2.2.2. Outdoor unit
2.2.2.1. “E1-00” – Outdoor unit PCB abnormality
Trigge r Effect Reset
Outdoor main PCB detects that EEPROM is abnormal.
Possible cause Check Corrective action
Faulty outdoor unit main PCB. Check if the HAP LED is blinking in regu-
Faulty capacity adapter on outdoor main PCB installed.
External factor (e.g. electrical noise) (cause when error is reset after power reset, and error happens again after a while).
Faulty outdoor fan motor. Check the fan motor (see "Fan motor" on
Faulty or disturbance of the power supply (imbalance > 10%). Power drop. Short cir­cuit.
Unit will stop operating. Manual reset via user interface.
Power reset via outdoor unit.
lar intervals (see "Main PCB" on page 55).
Check if the correct spare part is installed.
Check if the outdoor main PCB receives power.
Check if the correct capacity adapter is used.
Check for source which could cause elec­trical interference.
page 52).
Check fan motor connections and wiring.
Check if the power supply is conform with regulations. No fluctuations in frequency.
Restore the power to the outdoor main PCB.
Replace outdoor main PCB when HAP LED is not blinking in regular intervals (see "Replacing main PCB" on page 89).
Replace capacity adapter when required.
Replace fan motor when required (see
"Replacing DC fan motor assembly" on page 79).
Adjust wiring when required.
Adjust power supply when required.
Power reset via outdoor unit.
2.2.2.2. “E3-00” – Discharge pressure abnormality
Trigge r Effect Reset
High pressure switch opens due to meas­ure pressure > 41.7 bar.
High pressure control (measure pressure > 38 bar) occurs 16 times within 300 min­utes.
Possible cause Check Corrective action
Faulty high pressure switch. Check high pressure switch (see "High
Faulty outdoor unit main PCB. Check if the HAP LED is blinking in regu-
Faulty capacity adapter on outdoor PCB. Check if the correct adapter is installed.
Refrigerant overcharge. Check for refrigerant overcharge. Refer to
Humidity in refrigerant (ice formation in expansion valve).
Unit will stop operating. Manual reset via user interface.
pressure switch" on page 53).
lar intervals.
Check if the correct spare part is installed.
Check if the outdoor main PCB receives power.
Check if the correct spare part is installed.
the nameplate for the correct charge.
Check for humidity in the refrigerant. In case of suspicion of humidity, recover,
Replace high pressure switch (see
"Replacing high pressure switches" on page 86).
Adjust the power to the outdoor main PCB.
Replace outdoor main PCB when HAP LED is not blinking in regular intervals (see "Replacing main PCB" on page 89).
Adjust capacity adapter when required.
Charge the correct refrigerant amount when required.
vacuum and recharge with virgin refriger­ant.
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 2. Troubleshooting 2.2. Error based troubleshooting
Possible cause Check Corrective action
Non condensables in refrigerant. Check for non condensables in refriger-
ant.
Refrigerant is contaminated. Check for non condensables in refriger-
ant.
Stop valve is closed. Check if stop valve is open. Open stop valve when required.
Faulty outdoor fan motor. Check the fan motor (see "Fan motor" on
page 52).
Check fan motor connections and wiring.
In case of suspicion of non condensables, recover, vacuum and recharge with virgin refrigerant.
In case of suspicion of non condensables. Recover, vacuum and recharge refriger­ant.
Replace fan motor when required (see
"Replacing DC fan motor assembly" on page 79).
Adjust wiring when required.
2.2.2.3. “E4-00” – Suction pressure abnormality
Trigge r Effect Reset
When refrigerant pressure is below 1,2 bar for 5 minutes.
Unit will stop operating. Manual reset via user interface.
Possible cause Check Corrective action
Faulty outdoor unit main PCB. Check if the HAP LED is blinking in regu-
Bad contact through pressure sensor cable.
Faulty capacity adapter on outdoor PCB. Check if the correct adapter is installed.
Stop valve is closed. Check if stop valve is open. Open stop valve when required.
Abnormal drop of low pressure, caused by inadequate refrigerant, abnormal refriger­ant piping system or faulty electronic expansion valve.
lar intervals.
Check if the correct spare part is installed.
Check if the outdoor main PCB receives power.
Check if pressure sensor connector is properly connected to the outdoor PCB board.
Check if the correct spare part is installed.
Check for possible blockage. (Blockages can be checked by measuring the refriger­ant/pipe temperature. Sudden drop in temperature could indicate a blockage (remark: this is not valid for the expansion valve.))
Adjust the power to the outdoor main PCB.
Replace outdoor main PCB when HAP LED is not blinking in regular intervals (see "Replacing main PCB" on page 89).
Connect or replace sensor cable when required.
Adjust capacity adapter when required.
Replace the blocked part.
2.2.2.4. “E5-00” – Compressor motor lock or overheated
Trigge r Effect Reset
Compressor overload is detected. Unit will stop operating. Automatic reset if the unit runs for 60 sec-
onds without error.
Possible cause Check Corrective action
Faulty discharge pipe thermistor. Check discharge pipe thermistor (see
Faulty outdoor fan motor. Check the fan motor (see "Fan motor" on
Faulty overload protection. Check the overload protection.
22/08/16 | Version 1.1 Page 29
"Refrigerant thermistors" on page 57).
page 52).
Check fan motor connections and wiring.
Check the overload protection connec­tions and wiring.
Replace discharge pipe thermistor when required.
Replace fan motor when required (see
"Replacing DC fan motor assembly" on page 79).
Adjust wiring when required.
Replace the overload protection when required.
Adjust wiring when required.
SA R32 Sky-Air RZAG-L
ESIE16-03B | Part 2. Troubleshooting 2.2. Error based troubleshooting
Possible cause Check Corrective action
Faulty expansion valve. Check the expansion valve (see "Elec-
Faulty 4-way valve. Check the 4-way valve (see "4-way valve"
Faulty outdoor unit main PCB. Check if the HAP LED is blinking in regu-
Faulty power module = faulty outdoor inverter PCB.
Refrigerant shortage. Check for refrigerant shortage. Refer to
Humidity in refrigerant (ice formation in expansion valve).
Non condensables in refrigerant. Check for non condensables in refriger-
Stop valve is closed. Check stop valve. Open stop valve when required.
tronic expansion valve" on page 50).
on page 47).
lar intervals (see "Main PCB" on page 55).
Check if the correct spare part is installed.
Check if the outdoor main PCB receives power.
Check outdoor inverter PCB.
Check if the HAP LED is blinking in regu­lar intervals (see "Main PCB" on page 55).
Check if the correct spare part is installed.
the nameplate for the correct charge.
Check for humidity in the refrigerant. In case of suspicion of humidity, recover,
ant.
Replace the expansion valve body (see
"Replacing expansion valve body" on page 81) or motor (see "Replacing expan­sion valve motor" on page 82) when
required.
Replace the 4-way valve coil (see
"Replacing 4-way valve coil" on page 75)
or body (see "Replacing 4-way valve
body" on page 73) when required.
Restore the power to the outdoor main PCB.
Replace outdoor main PCB when HAP LED is not blinking in regular intervals (see "Replacing main PCB" on page 89).
Restore the power to the outdoor inverter PCB.
Replace the outdoor inverter PCB when required (see "Replacing main PCB" on
page 89).
Charge the correct refrigerant amount when required.
vacuum and recharge with virgin refriger­ant.
In case of suspicion of non condensables, recover, vacuum and recharge with virgin refrigerant.
2.2.2.5. “E7-00” – Fan motor abnormality
Trigge r Effect Reset
Fan does not start in about 15~30 sec­onds = fan motor lock.
It can occur that E7-00 error is triggered even when the fan motor is running caused by a NG hall signal.
Possible cause Check Corrective action
Faulty outdoor fan motor. Check the fan motor (see "Fan motor" on
Faulty outdoor inverter PCB. Check outdoor inverter PCB.
Blown fuse. Check the fuse on the outdoor unit PCB's. Replace fuse when required.
Unit will not stop operating. Automatic reset after a continuous run.
Refer to "“E7-00” – Fan motor abnormal-
ity" on page 30.
Unit will stop operating. Manual reset via user interface.
page 52).
Check fan motor connections and wiring.
Check if the HAP LED is blinking in regu­lar intervals (see "Main PCB" on page 55).
Check if the correct spare part is installed.
Replace fan motor when required (see
"Replacing DC fan motor assembly" on page 79).
Adjust wiring when required.
Restore the power to the outdoor inverter PCB.
Replace the outdoor inverter PCB when required (see "Replacing main PCB" on
page 89).
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