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E522BLXU
Service Manual
43 pgs1.13 Mb0
Supplemental Service Manual
45 pgs1.98 Mb0

Fisher & Paykel E522BLXU, E522BRXFDU, E522BLXFDU, E522BRXU Service Manual

517804
Service Manual
Active Smart Refrigerator/Freezer
Ice & Water Service Supplement
Models:
E522BLXFDU
E522BRXU
E522BRXFDU
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The specifications and servicing procedures outlined in this manual are subject to change without notice.
The latest version is indicated by the reprint date and replaces any earlier editions.
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CONTENTS
1 ICE & WATER INTRODUCTION.............................................................................................5
1.1 Display Functional Schematic ............................................................................................. 5
2 DISPLAY INTERFACE............................................................................................................ 6
2.1 Display Interface (Button Descriptions) ............................................................................... 6
2.1.1 Measured Fill Products - Products Produced Before January 2009.......................... 6
2.1.2 Non–Measured Products - Products Produced After January 2009.......................... 7
2.2 Display Interface Features (Measured Fill Products) .......................................................... 8
2.3 Display Interface Features (Non-Measured Fill Products) .................................................. 8
2.4 Features (Measured Fill Products) ...................................................................................... 8
2.4.1 Icemaker On/Off ........................................................................................................ 8
2.4.2 Freezer Chill Mode .................................................................................................... 8
2.4.3 Bottle Chill Mode........................................................................................................ 9
2.4.4 Water Dispensing ...................................................................................................... 9
2.4.5 Measured Fill Water Dispensing................................................................................ 9
2.4.6 Sabbath Mode ........................................................................................................... 9
2.4.7 Key Silent Mode....................................................................................................... 10
2.4.8 Dispense Lock ......................................................................................................... 10
2.4.9 Key Lock .................................................................................................................. 10
2.4.10 Filter Replacement Alert .......................................................................................... 10
2.5 Features (Non-Measured Fill Products) ............................................................................ 10
2.5.1 Icemaker On/Off ...................................................................................................... 10
2.5.2 Freezer Chill Mode .................................................................................................. 10
2.5.3 Bottle Chill Mode...................................................................................................... 11
2.5.4 Water Dispensing .................................................................................................... 11
2.5.5 Sabbath Mode ......................................................................................................... 11
2.5.6 Key Silent Mode....................................................................................................... 11
2.5.7 Dispenser Lock ........................................................................................................ 11
2.5.8 Key Lock .................................................................................................................. 11
2.5.9 Filter Replacement Alert .......................................................................................... 11
2.6 Key Presses (Measured Fill Products) .............................................................................. 11
2.7 Key Presses (Non-Measured Fill Products) ......................................................................13
2.8 Temperature Settings........................................................................................................ 13
3 ICEMAKER............................................................................................................................14
3.1 Ice Production ...................................................................................................................14
3.2 Information About The Icemaker .......................................................................................14
3.3 Ice Bin Full Sequence .......................................................................................................14
3.4 Safety First ........................................................................................................................ 15
4 AIRFLOW .............................................................................................................................. 15
5 DIAGNOSTICS......................................................................................................................16
5.1 Fault Codes ....................................................................................................................... 16
5.2 Fault Codes (Measured Fill Products)............................................................................... 20
5.3 Fault Codes (Non-Measured Fill Products) .......................................................................21
5.4 Testing Icemaker Sensor ..................................................................................................21
5.5 Thermistor Sensor Resistance Table ................................................................................ 22
5.6 Testing Icemaker Motor..................................................................................................... 22
5.7 Testing Water Valve .......................................................................................................... 23
5.8 Testing The Flow Meter (Measured Fill Products) ............................................................ 23
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6 DIAGNOSTIC MODES...........................................................................................................24
6.1 Entering Diagnostic Mode .................................................................................................24
6.2 Input / Output Status .........................................................................................................26
6.3 Fault History ......................................................................................................................26
6.4 To Manually Force A Defrost ............................................................................................26
6.5 LCD Display ......................................................................................................................27
6.6 To Manually Force The Icemaker .....................................................................................27
6.7 Data Download..................................................................................................................27
7 WATER DISPENSER ............................................................................................................28
7.1 Pressure Dispensing Pad..................................................................................................28
7.2 Initial Use ..........................................................................................................................28
7.3 Measured Fill Use (Measured Fill Products) .....................................................................28
7.4 To Change Measured Fill (Measured Fill Products)..........................................................28
7.5 Water Filter And Cartridge ................................................................................................28
7.6 Changing The Water Filter ................................................................................................ 28
7.7 To Reset The Filter Icon....................................................................................................29
7.8 To Disable The Filter Alarm (Measured Fill Products) ......................................................29
7.9 Flowmeter Calibration/Measured Fill Calibration ..............................................................29
7.10 To Disable The Filter Alarm (Non-Measured Fill Products) ...............................................29
7.11 Noises................................................................................................................................30
8 WIRING DIAGRAMS .............................................................................................................31
9 PROBLEM SOLVING CHECKLIST.......................................................................................32
10 SERVICE PROCEDURES .....................................................................................................33
10.1 Component Replacement ..................................................................................................33
10.1.1 Icemaker PCB Replacement....................................................................................33
10.1.2 Icemaker Unit Replacement..................................................................................... 33
10.1.3 Refitting Icemaker ....................................................................................................33
10.1.4 Icemaker Temperature Sensor Replacement ..........................................................33
10.1.5 Water Valve Replacement .......................................................................................34
10.1.6 Display Module Replacement ..................................................................................34
10.1.7 Water Dispenser Pad Replacement......................................................................... 35
10.1.8 Removing Water Tank .............................................................................................35
10.1.9 Refitting Water Tank ................................................................................................36
10.1.10 Replacement Of PC Door (Manufactured After May 2007) ...................................... 37
10.1.11 Replacement Of PC Door (Manufactured Before May 2007) ................................... 37
10.1.12 Fitting A New Door ................................................................................................... 39
11 ICE & WATER COMMON COMPLAINTS.............................................................................42
11.1 Sublimation........................................................................................................................42
11.2 Ice Sticking Together.........................................................................................................42
11.3 Discolouration / Metallic Taste...........................................................................................42
11.4 Bad Taste ..........................................................................................................................42
11.5 Ice Appears Cloudy ...........................................................................................................42
11.6 Particles In Ice And / Or Water ..........................................................................................42
12 TEMPERATURE CONVERSION TABLE..............................................................................43
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1 ICE & WATER INTRODUCTION
Ice making and water dispensing facilities are being introduced to the E522B Active Smart refrigerators.
The introduction required design changes to some components and to the physical movement and/or position of other components. The functionality of the Active Smart product including downloading and diagnostics have not changed.
Listed below are the changes to the E522B Active Smart with the introduction of Ice and Water.
1. Through-the-door water dispensing
This feature incorporates:
• The Pressure Dispensing Pad
The pressure dispensing pad (located underneath the electronic display on the door activates water dispensing when pressed
• Water Piped to Door Through Door Hinge
Water is delivered to the door via water hose piped through the door hinge.
• Water Tank
The water tank is located in the top back rear of the PC compartment and feeds the water dispenser on the door via the water hose, through the door hinge.
2. External water inlet plumbing
Delivers water for ice making and water dispensing through a 12-volt water valve.
3. External Water Filter
An external in-line water filter is to be fitted to each Ice and Water refrigerator, which will come standard with every Ice & Water product.
4. Automatic Ice Maker
The internal automatic icemaker is located on the ceiling of the FC compartment, on the left hand side. The icemaker can be disassembled and removed for servicing.
5. New PC Temperature Sensor Position
Due to the location of the water tank in the back of the PC compartment, the PC temperature sensor position is now located in the centre LHS of the PC duct cover.
6. New Display /Temperature Control location
The temperature control/ Digital Display panel is located on the front of the PC door
7. Electronics Power Control Board
The electronics have been updated to run the ice and water systems with the addition of a small circuit board attached to the power controller. Although the electronics are still stage
4.2, they are NOT interchangeable with non-ice and water Active Smart products.
1.1 Display Functional Schematic
Inputs Outputs
Display Harness →
Flow Sensor →
Tact Switches
Display Module
→ Water Solenoid
←→ Comms
→ LCD Display
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PLEASE NOTE THERE HAVE BEEN SEVERAL CHANGES TO THE DISPLAY INTERFACE. REFER TO “MEASURED FILL PRODUCTS” OR “NON-MEASURED FILL PRODUCTS” FOR CORRECT INFORMATION.
2 DISPLAY INTERFACE
2.1 Display Interface (Button Descriptions)
2.1.1 Measured Fill Products - Products Produced Before January 2009
Measured Fill
The MEASURED FILL key enables you to select the amount of water to be dispensed.
Menu
The MENU key allows you to scroll through the main menu options (Chill, Temperature, Ice and
Settings)
Arrow Keys
The ARROW keys are used to scroll through the settings of each function.
DOWN UP
MEN
MEASURED
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2.1.2 Non–Measured Products - Products Produced After January 2009
Menu
The MENU key allows you to scroll through the main menu options (Chill, Temperature, Ice and
Settings)
Arrow Keys
The ARROW keys are used to scroll through the settings of each function.
Lock
The LOCK key enables and disables the water dispenser and all the buttons.
DOWN
UP
MENU
LOCK
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2.2 Display Interface Features (Measured Fill Products)
• Icemaker on/off.
• Bottle chill mode – 10, 15, 20, 25, 30 minute timer with alarm.
• Freezer chill mode – nominated freeze time at lower temperature set point.
• Water dispensing.
• Measured fill water dispensing – water dispensing volume selection with 3 set points preset.
• Unit selection – Metric or US units for measured volumes.
• Sabbath mode enable/disable.
• Key silent mode enable/disable.
• Key lock.
• Water dispenser key lock.
• Filter replacement alert.
• No water alert.
• Fault alert.
• Diagnostics.
• Temperature set points.
• Measured fill calibration.
2.3 Display Interface Features (Non-Measured Fill Products)
• Icemaker on/off.
• Bottle chill mode – 10, 15, 20, 25, 30 minute timer with alarm.
• Freezer chill mode – nominated freeze time at lower temperature set point.
• Water dispensing.
• Sabbath mode enable/disable.
• Key silent mode enable/disable.
• Dispenser Key lock.
• Key lock.
• Filter replacement alert.
• Fault alert.
• Diagnostics.
• Temperature set points.
2.4 Features (Measured Fill Products)
2.4.1 Icemaker On/Off
This mode simply turns the icemaker on or off.
To access the ice mode, press the MENU key until ICE is highlighted. Then use an arrow key to scroll to the icemaker ON or OFF.
2.4.2 Freezer Chill Mode
Freezer chill is a function that rapidly freezes food in the FC by temporarily dropping the freezer to its coldest temperature set point for a 12-hour period.
To access, use the MENU key to scroll to CHILL, then use the UP key until this icon appears. To deactivate manually, use the MENU key and scroll to CHILL. Press the DOWN key until the icon disappears.
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2.4.3 Bottle Chill Mode
Bottle Chill allows the customer to put a bottle in the freezer for a designated amount of time. When that amount of time has elapsed an alarm will sound telling the customer to take the bottle out of the FC. The Freezer automatically changes to its lowest set point. The times are 10, 15, 20, 25 and 30 minutes.
To activate this mode, use the MENU key to scroll to CHILL, then use the UP key until this icon appears. Use the UP key to select
the time in minutes. Once selected, the alarm count down will commence.
2.4.4 Water Dispensing
This icon will animate when the water is being dispensed.
2.4.5 Measured Fill Water Dispensing
The amount of water dispensed is pre-selected.
Metric
250ml – cup 300 ml – glass 1000ml – jug
The UP and DOWN keys can be used to change the units in 25ml
increments.
US
8 floz – cup
10 floz – glass
1 Qt – jug
The UP and DOWN keys can be used to change the units in 1oz
increments.
2.4.6 Sabbath Mode
When in this mode, the alarms are deactivated and the interior light and back light on the display will not come on. The interior fan will not turn off when the door is opened.
Imperial Display
Metric Display
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2.4.7 Key Silent Mode
When in this mode, the beeper does not operate when the buttons on the keypad are pressed.. Note: Faults, Bottle chill, & the door will still alarm when the refrigerator is set on key silent mode.
Indicates the product is in Key Silent Mode.
To activate or deactivate, hold the MENU key for four (4) seconds.
2.4.8 Dispense Lock
This mode disables the water dispensing pad & prevents water from being dispensed.
To activate this mode, press the MENU and MEASURED FILL
keys together for two (2) seconds.
2.4.9 Key Lock
This mode disables all the buttons.
To activate this mode, press the MENU and MEASURED FILL
keys together for four (4) second.
2.4.10 Filter Replacement Alert
This icon will appear when the water filter needs changing. The filter needs replacing every 2800 Litres or 6 months. This will flash when dispensing water.
To deactivate the warning, press the MEASURED FILL and UP
keys for 4 seconds.
2.5 Features (Non-Measured Fill Products)
2.5.1 Icemaker On/Off
This mode simply turns the icemaker on or off.
To access the ice mode, press the MENU key until ICE is highlighted. Then use an arrow key to scroll to the icemaker ON or
OFF.
2.5.2 Freezer Chill Mode
Freezer chill is a function that rapidly freezes food in the FC by temporarily dropping the freezer to its coldest temperature set point for a 12-hour period.
To access, use the MENU key to scroll to CHILL, then use the UP
key until this icon appears.
To deactivate manually, use the MENU key and scroll to FREEZER. Press the DOWN key until the icon disappears.
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2.5.3 Bottle Chill Mode
Bottle Chill allows the customer to put a bottle in the freezer for a designated amount of time. When that amount of time has elapsed an alarm will sound telling the customer to take the bottle out of the FC. The Freezer automatically changes to its lowest set point. The times are 10, 15, 20, 25 and 30 minutes.
To activate this mode, use the MENU key to scroll to FREEZER, then use the UP key until this icon appears. Use the UP key to
select the time in minutes. Once selected, the alarm count down will commence.
2.5.4 Water Dispensing
This icon will animate when the water is being dispensed.
2.5.5 Sabbath Mode
When in this mode, the alarms are deactivated and the interior light and back light on the display will not come on. The interior fan will not turn off when the door is opened.
To activate press and hold MENU + DOWN + LOCK for 4 seconds
2.5.6 Key Silent Mode
When in this mode, the beeper does not operate when the buttons on the keypad are pressed.. Note: Faults, Bottle chill, & the door will still alarm when the refrigerator is set on key silent mode.
Indicates the product is in Key Silent Mode.
To activate/deactivate, press the MENU key and scroll to SETTINGS, then use the UP or DOWN keys to turn the mode on
or off.
2.5.7 Dispenser Lock
Locks the water dispenser. To activate this mode press the
LOCK button for 2 seconds.
2.5.8 Key Lock
Key Lock - disables all buttons. To activate this mode press and hold the LOCK button for four (4)
seconds
2.5.9 Filter Replacement Alert
This icon will appear when the water filter needs changing. The filter needs replacing every 2800 Litres or 6 months. This will flash when dispensing water.
To deactivate the warning, press the UP + LOCK keys for 4
seconds.
2.6 Key Presses (Measured Fill Products)
To activate any mode, certain combinations of key presses are required.
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The key-presses are as follows. Key presses used by the service technician are those shown shaded.
Function Key Presses Action Press Time
Key Silent Mode Menu
On/Off Hold down for 4
seconds.
Key & Dispenser Lock Menu + Measured fill
+
On/Off Hold down for 2
seconds.
Key Lock Menu + Measured fill
+
On/Off Hold down for 4
seconds.
Diagnostic Mode Menu + Up
+
On Hold down for 4
seconds.
Forced Defrost Menu + Down
+
On Hold down for 4
seconds.
Sabbath Mode Menu + Measured fill + Down
+ +
On/Off Hold down for 4
seconds.
Disable Filter Alarm Menu + Measured fill + Up
+ +
On/Off Hold down for 4
seconds.
Show Off Mode Menu + Down + Up
+ +
On/Off Hold down for 4
seconds.
Flowmeter Calibration Measured Fill + Down
+
On Hold down for 4
seconds.
Filter Reset Measured Fill + Up
+
Reset Hold down for 4
seconds.
Force Icemaker Manual Measured Fill + Down + Up
+ +
Activat es once
Hold down for 4 seconds.
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2.7 Key Presses (Non-Measured Fill Products)
Function Key Presses Action Press Time
Key Silent Mode
Scroll to SETTINGS
On/Off
Press UP or DOWN keys
to turn on or off.
Dispenser Lock Lock
On/Off Hold down for 2 seconds.
Key Lock Lock
On/Off Hold down for 4 seconds.
Diagnostic Mode Menu + Up
+
On Hold down for 4 seconds.
Forced Defrost Menu + Down
+
On Hold down for 4 seconds.
Sabbath Mode Menu + Down + Lock
+ +
On/Off Hold down for 4 seconds.
Disable Filter Alarm Menu + Up + Lock
+ +
On/Off Hold down for 4 seconds.
Show Off Mode Menu + Down + Up
+ +
On/Off Hold down for 4 seconds.
Filter Reset Up + Lock
+
Reset Hold down for 4 seconds.
Force Icemaker Manual
Lock (first) Down + Up
+
Activates once
Press LOCK key first, then DOWN & UP keys
and hold all keys for 4 seconds.
2.8 Temperature Settings
PC Setting
32o F 32.9oF 33.8oF 34.7oF 35.6oF 37.4oF 39.2oF 41.0oF 42.8oF 44.6oF 46.4oF
Colder Warmer
FC Setting
-5.8oF -5.8oF -4oF -3.1oF -1.3oF 0.0oF 1.4oF 2.3oF 4.1oF 5oF 6.8oF
Colder Warmer
Default factory settings are 37.4
O
F for the provision compartment and 0OF for the freezer
compartment.
Note: Crowbar setting for the PC is 28.4
O
F and for the FC is –14.8OF. Temperatures shown are
average temperatures.
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