Samsung WF435ATGJWR-A1 User Manual [en, es, fr]

WASHING MACHINE
Technical Information
Model: WF435A*GJ**
• Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or repair of this unit.
• Refer to Service Manual for detail installation, operating, testing, troubleshooting, and disassembly instructions.
CAUTION
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
Code No. : DC68-03152B_EN
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ALIGNMENT AND ADJUSTMENTS
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
GENERAL ERROR FUNCTION
Error Code
NO
(Diagnostic Code
Error Image)
Description Corrective Action
1 dc
2 dS
3 FL
4 Hr
5 LE
6 LO
7 nd
8 nF
An unbalanced load that prevents your washer from spinning.
The door is open when the washer is running.
Your washer failed to lock the door.
A water temperature control problem. (Heater control problem)
Your washer has tried to ll, but has not reached the proper water level.
The door will not unlock.
Your washer is not draining. This can also mean that the unit senses a small clog while draining.
Your washer has tried to ll but was unsuccessful.
Redistribute the load, press the Start/ Pause button.
Close the door tightly and restart the cycle. If the code reappears, call customer service.
Make sure the door is rmly closed. Press the Power button to turn o your washer, then turn it on again. If the code reappears, call customer service.
Call customer service.
Call customer service.
Make sure the door is rmly closed. Press the Power button to turn o your washer, then turn it on again. If the code reappears, call customer service.
1. Turn o the unit for 10 seconds and then turn it on again.
2. Select the Spin Only cycle.
3. Press the Start/Pause to drain the water. If it still does not drain, call for service.
Make sure the water faucets are open all the way. Check for bent hoses. Check the inlet screens on the hoses. If you are using a Flood Safety Device, please remove the device and connect the water hoses directly to the unit. Check if the hot water supply hose is connected. You must connect the hot water supply hose because hot water is supplied by the Auto Temperature Control (A.T.C.) function if the temperature of the cold water is lower than 59°F.
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ALIGNMENT AND ADJUSTMENTS
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
Error Code
NO
(Diagnostic Code
Error Image)
Description Corrective Action
9 nF1
10 OE
11 1E
12 E2
13
14
15
16
17
tE
3E
2E
AE
8E
SF1
18
SF2 SF3
19
SUdS
The hot/cold water hose connection is not correct.
A fault is detected in the water level sensor.
The Water Level sensor is not working properly.
A jammed key. Call customer service.
A temperature sensor problem.
A motor problem.
High/Low voltage detected.
A Communication error between the SUB(Sensor) PBA and the MAIN PBA
A MEMS sensor problem.
A system error
Too many suds are detected during the wash session. The unit is put on hold until the amount of suds have been reduced. The unit will then go back to operating. When it nishes washing, the “End” and “SUdS” codes will blink in turn.
Please connect the hot/cold water hose connection correctly.
Call customer service.
Call customer service.
Press the Power button to turn o your washer, then turn it on again. If the code reappears, call customer service.
Restart the cycle. If the code reappears, call customer service.
Restart the cycle. If the code reappears, call customer service.
Call customer service.
Call customer service.
Call customer service.
3
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ALIGNMENT AND ADJUSTMENTS
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
TEST MODE
Quick Test Mode
Power O State
Special Test Mode
Power On State
(Normal User Mode)
Test Mode:
Each Test Mode for the GRACE S is as follows in the coming pages.
Quick Test Mode
EEPROM Clear
Mode
Service Mode
Demo Mode
Quick Spin Test Mode
Cycle Count Check Mode
S/W Version Check Mode
Fast Time Down Test Mode
Board Input Test Mode
Diagnostic Code
CheckMode
How to Enter:
- Plug in the unit.
- Press Soil Level Key, Spin Key and Power Key at the same Time.
4
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ALIGNMENT AND ADJUSTMENTS
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
Quick Test Mode:
Quick Test Mode
All LEDs On for 1 sec
(include 7-Segment)
S/W Version display
All Devices Test using keys
Temp. Key Soil Level Key SteamSpin Key
1. All LED’s light up and it sends out Beep Sound when it enters into the Quick Test Mode. (Including 7-Segment)
2 Displays software version for a sec and Clear EEprom. (Ex. If S/W Version is 49, 7-Segment will
display Y349)
3. When the version is displayed, turn the Jog-Dial. Press the following keys to test the various components.
- Temp. Key : Water Valve Test
- Spin Key : Door Lock/Unlock Test
- Soil Level Key : Water Heater Test
- Steam : Drain Pump / Bubble Pump / Direct Valve Test
Service Mode
Denition of Service Mode:
- Service Mode enables service technicians to verify the operation of the washing machine and do troubleshooting.
- Service Mode can be entered during all washing cycle without interrupting the cycle except some of test modes.
- Various tests can be done with Service Mode. So, troubleshooting can be done based on the resulting diagnostic codes.
How to Enter:
- To enter the Service Mode, press the Signal and Extra Rinse Keys for 3 seconds or until the unit sends out beeping sounds.
5
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ALIGNMENT AND ADJUSTMENTS
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
Service Mode:
1. The washer must be on to go into the Service Mode.
2. The motor speed will be displayed when started (It displays 0 when the motor does not spin).
3. The present state of the machine will not be changed.
(i.e., the current cycle in progress will not be interrupted and only the display will change)
4. Following Instructions To exit Service Mode.
Press Signal and Extra Rinse Keys for 3 second again, or Power Key.If no key is operated during Service Mode for 5 minutes, the machine will return to normal user mode.
Power On State
(Normal User Mode)
Service Mode is canceled if no key is pressed for 5 minutes before the washer operation begins. However, this is not true when the washer operation has already started.
Signal + Extra Rinse
3 sec
Service Mode
Service Mode
6
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ALIGNMENT AND ADJUSTMENTS
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
Quick Spin Test Mode
Service Mode
Delay Start + Rinse Add
While it is not in Hold Speed Mode
Delay Start + Rinse Add
3 sec
While a cycle is not running
Delay Start + Rinse Add
Start/PauseQuick Spin Test Mode
for 3sec or after 10 minutes
Hold Speed Mode
Denition of Quick Spin Test Mode:
- Quick Spin Test Mode is to do Spin Check. (High RPM)
How to Enter:
- During Service Mode, press the Delay Start + Rinse Add Keys for 3 seconds to enter Quick Spin Test Mode.
- Cannot enter once the washing cycle has started.
Quick Spin Test Mode:
As it enters into the Quick Spin Test Mode, it starts spinning and reaches to its maximum RPM. Once the Spin speed reaches the maximum RPM, the speed drops immediately. To hold Quick Spin Test Mode (entering Hold Speed Mode), press the Start/Pause button. If the
Start/Pause button is pressed during Quick Spin Test Mode, it will stop accelerating and hold its spinning speed for 10 minutes before going back to Quick Spin Test Mode.
Also, to cancel the hold and allow Quick Spin Test Mode to continue, press the SPIN Key If you PressSPIN key when the washing machine is not in Hold Speed Mode, Quick Spin Mode is exited and Service Mode is restored.
7
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ALIGNMENT AND ADJUSTMENTS
Soil Level
Service Mode
S/W Version Check
Mode
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
Cycle Count Check Mode
Service Mode Cycle Count
Signal
Denition of Cycle Count Check Mode:
- Cycle Count Check Mode is to tally up the number of washings.
How to Enter:
- To enter the Cycle Count Check Mode, press the Signal Key during Service Mode.
Cycle Count Check Mode:
1. Activate the Service Mode in advance.
2. When the Signal key is pressed, the total number of washings will light up and a signal LED will
glow.
3. The maximum number of cycles will be 9999. The counter will roll over to 0 and start counting again after 9999.
4. The counting will be carried out at the end of the normal cycle. (For normal and Continuous Run cycles, the count is carried out at the end of the cycles.
5. To exit the Cycle Count Check Mode, press the “Signal” key again.
S/W Version Check Mode
Denition of S/W Version Check Mode:
- S/W Version Check Mode is to bring up S/W Version information.
How to Enter:
- To enter the S/W Version Check Mode, press the Soil Level Key during Service Mode.
S/W Version Check Mode:
1. Activate the Service Mode in advance.
2. Press the Soil Level Key to bring up its software Version
EX) Generate dE49 at Version 49 (dE is Micom code, 49 is it’s software version)
3. To exit the S/W Version Check Mode, press the Soil Level S/W once again. Then, it returns to the Service Mode with motor RPM illuminating.
8
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ALIGNMENT AND ADJUSTMENTS
Temp.
Service Mode
Fast Time Down
Test Mode
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
Fast Time Down Test Mode
Denition of Fast Time Down Test Mode:
- Fast Time Down Test Mode is to forward the program to the next cycle stage.
How to Enter:
- To enter the Fast Time Down Test Mode, press the Temp. key during Service Mode.
Fast Time Down Test Mode:
1. Activate the Service Mode in advance.
2. To forward the program to the next cycle stage, press the Temp. key.
Each stage is located at key points of a complete cycle as follows:
- End of Each Fill (Beginning of Wash or Rinse Tumble Session) Caution: Check if the current water level is higher than the Reset water level and then perform the Fast time down test.
- Beginning of Drain Session
- Beginning of Spin Session (Here, it checks the water level. So, if it is over the reset level, it carries out draining before the spinning.)
- Beginning of Fill Session
- Beginning of Bleach Fill
- Beginning of Fabric Softener Fill
- Every 3 minutes during Wash and Rinse Tumble Session
9
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ALIGNMENT AND ADJUSTMENTS
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
Board Input Test Mode
Service Mode Board Input Test
Denition of Board Input Test Mode:
- Board Input Test Mode is to displays a specied Input after a key press.
How to Enter:
- To enter the Fast Time Down Test Mode, press the Temp. key During Service Mode.
Board Input Test Mode:
- If the product enters Board Input Test Mode, ‘in’ is displayed.
- The information that is displayed in the Board Input Test is as follows.
1. The Water Temperature in Celsius.
2. The Water Temperature in Fahrenheit.
3. The door status (OP if open, CL if closed).
4. The Door Lock Switch status (UL if unlocked, LO if locked).
5. The Water Level Pulse
- You can change each information using the Cycle Selector.
Extra Rinse
10
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ALIGNMENT AND ADJUSTMENTS
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
Diagnostic Code Check Mode
Servi ce Mode
Denition of Diagnostic Code Check Mode:
- Diagnostic Code Check Mode is to bring up the stored diagnostic codes (refere codes for service technicians).
How to Enter:
- To enter the Diagnostic Code Check Mode with code “d” ashing, press the Spin key during Service Mode.
Board Input Test Mode:
1. Activate the Service Mode rst.
2. Press the “Spin key” key to start Error Code Check Mode with Code “d” ashing.
3. To cycle through the error codes, turn the Rotary Cycle Selector in one direction (either
Clockwise or Counterclockwise).
4. Now, when turning the Rotary Selector Key in the same direction, it shows error codes from the latest.
5. When turning it in the opposite direction, it shows the error codes in the reverse order.
Spin
Diagnostic Code
11
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ALIGNMENT AND ADJUSTMENTS
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
Demo Mode
Delay Start + Soil Level
Normal User Mode
While a cycle is not running
5 sec
Demo Mode
Power O Mode
Power O Key
- Demo mode is entered when the Delay Start + Soil Level buttons are held down for ve (5) seconds simultaneously in the power on state.
- When entering Demo mode, the buzzer rings three (3) times and “- - - -” is displayed on the 7 segment display and all other LED’s are turned o. (Initial Demo mode)
- Demo mode consists of WASH, SPIN and LED modes.
- If the Temp. button is pressed during the initial Demo mode, “WASH” blinks on the 7 segment display and the washing machine enters WASH mode.
- If the Start/Pause button is pressed in WASH mode, the door is locked (door Lock) and the motor rotates left and right at 45 RPM in a 7 sec on and 3-sec o cycle.
- WASH mode continues up to ve (5) minutes once started. After the ve (5) minutes have elapsed, “- - - -” is displayed on the 7 segment display and the initial Demo mode is maintained.
- If the Start/Pause button is pressed during a WASH mode operation, “- - - -” is displayed on the 7 segment display and the initial Demo mode is maintained.
- If the Spin button is pressed in the initial Demo mode, “Spin” blinks on the 7 segment display and the washing machine enters SPIN mode.
- If the Start/Pause button is pressed in the SPIN mode, the door is locked (door Lock) and a SPIN is operated at 1150 RPM. When the speed reaches each RPMs, the No Spin, Low, Medium, High, and Extra High LED’s are turned on.
- During a spin operation, the No Spin LED turns on when the speed is lower than 400 RPM. The Low LED turns on between 400 RPM and 700 RPM. The Medium LED turns on between 700 RPM and 900 RPM. The High LED turns on between 900 RPM and 1100 RPM. Extra High spin speed LED turn On more than 1100 RPM.
- SPIN mode continues up to four (4) minutes once started. After the four (4) minutes have elapsed, “- - - -” is displayed on the 7 segment display and the initial Demo mode is maintained.
- If the Start/Pause button is pressed during a SPIN mode operation, “- - - -” is displayed on the 7 segment display and the initial Demo mode is maintained.
- If the Soil Level button is pressed in the initial Demo mode, “LED” blinks on the 7 segment display and the washing machine enters LED mode.
- If the Start/Pause button is pressed in LED mode, all LED’s are turned on. LED mode continues up to thirty (30) seconds once started. After the thirty (30) seconds have elapsed, “- - - -” is displayed on the 7 segment display and the initial Demo mode is entered.
- If the Start/Pause button is pressed during an LED mode operation, “- - - -” is displayed on the 7 segment display and the initial Demo mode is entered.
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TROUBLE SHOOTING
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
EEPROM Clear Check
Denition of EEPROM Clear Mode:
- EEPROM initialization.
- All course/option settings are to be reset to default values after EEPROM initialization.
- When Service arises and it needs PCB replacement, EEPROM should be reset.
How to Enter:
- Plug in the unit.
- Press Delay Start Key, and Power Key at the same time.
TROUBLE DIAGNOSIS
- As the micom wash machine is congured of the complicate structure, there might be the service call. Below information is prepared for exact trouble diagnosis and suitable repair guide.
Caution for the Repair and Replacement
Please follow below instruction for the trouble diagnosis and parts replacement.
1) As some electronic components are damaged by the charged static electricity from the resin part of machine or the human body, prepare the human body earth or remove the potential dierence of the human body and machine by contacting the power supply plug when the work contacting to PCB is executed.
2) Since AC120V is applied to the triac T1 and T2 on P.C.B, the electric shock may occur by touching and be careful that the strong and weak electricity are mixed.
3) As the P.C.B assembly is designed for no trouble, do not replace the P.C.B assembly by the wrong diagnosis and follow the procedure of the trouble diagnosis when the micom is not operated normally.
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TROUBLE SHOOTING
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
TROUBLE DIAGNOSIS
Will Not Start
• Plug the unit into the wall outlet. Check for proper voltage.
• Check fuse or reset circuit breaker.
• Push any key to turn on the washer and press the Start/Pause key to run the washer.
• Close door and push the Start/Pause key to run the washer.
• Check if washer is in a pause, soak or suds process. Wait briey and it may start. (If the washer is in suds period, Suds will light up instead of remaining time.)
• Check for restricted drain system. (If there is electrical problem in drain system, “NO Draining” error will occur after 15 minutes.)
• Check Water Supply.
• Check the line or water valve screen lter.
• Check if PCB connectors are assembled LED properly.
• Check if CN6 terminals on PCB are in good condition. (Refer to PCB Connector Check.)
• Replace PCB.
Leaking
• Make sure inlet hose connections are not leaking. Check for rubber gasket damage due to over tightening.
• Check standpipe for leak. Wrap a dry rag around the standpipe opening. If rag becomes wet, leak is fault of home plumbing. Be sure the standpipe is capable of accepting the ow of water from the washer.
• Make sure end of drain hose is correctly inserted and secured to drain standpipe.
• Check internal hose connections (ll, drain systems, dispenser hoses & clamps).
• Check rubber boot. Remove, reposition and reinstall, if necessary.
• Check for possible kinked dispenser to outer tub hose. Hot water pressurization may force door open.
No Tumble
• Start normal cycle with an empty machine and allow a ll to check tumble.
• Perform Quick Spin Test. (Before test, make sure that the tumbler is empty.)
• Check for loose connections at Machine Control Board, Pressure Switch, Motor, Tach Harness and Motor Control. (Refer to the component testing procedure)
• Check motor windings resistance.
CN8 pins 1 & 3 = 11.6ohms ±7%, Pins 1 & 2 = 11.6ohms ±7%, Pins 2 & 3 = 11.6 ohms ±7%
• Faulty Main Control Board.
• Faulty motor.
Will Not Spin
• Make sure to close the door completely.
• Check for water left inside the washer. If so, go to “Will Not Drain”.
• Perform Quick Test Mode or Quick Spin Test. Does the washer spin? (Before the test, empty the unit inside.) If it doesn’t tumble after the above, change PCB. When the problem persists, change the motor.
• Perform Quick Test Mode or Quick Spin Test. Does the washer spin? If it does, Check Possible unbalanced load scenario in normal mode.
• Check for loose connections at PCB, Water Level Sensor, Motor, Hall Sensor Wire Harness. (CN7,CN5,CN6) (Refer to the Component Testing Procedure.)
• Check motor windings resistance. (CN8 Pin1&3 = 11.6 ohms (at ±7% 20°C/68°F), Pin1&2 = 11.6ohms (at ±7% 20°C), Pin2&3 = 11.6 ohms (at ±7% 20°C))
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TROUBLE SHOOTING
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
TROUBLE DIAGNOSIS
No Water Fill
• Perform Quick Test Mode. Check all of Water Valves visually. (Pre Wash Valve, Cold Water Valve, Bleach Water Valve, Softener dispenses using Cold & Bleach Water Valve, and Hot Water Valve.)
• Check if water taps are turned on fully.
• Check Water Valves and Water Level Sensor (Refer to PCB Connector Check)
• Check if there is any kink in inlet hoses.
• Check if inlet screens are clogged up.
• Check if water has enough pressure. If so, nd out its contributors.
• Check if there is any frozen area in the unit (Drain Hose, etc)
• Measure the resistance of Water Valve Coil. (It should read 1.18K ohms. Check Pin#1 of CN6 and PIN#1,2,7,8,9 of CN1)
• Check Pressure S/W and PCB for loose connections. (Refer to PCB Connector Check.)
Tub Full of Suds
• Go to “Will Not Drain” and “Will Not Spin” and check the draining.
• Check PCB and Drain Pump for any loose wire connection.
• Perform Quick Test Mode or Board Output Test to drain.
• Use HE (High-Eciency) or low sudsing detergent specially formulated for front load washers.
• Reduce the amount of detergent for that specic load size and soil level. Keep in mind that towel creates more suds generally.
• Reduce the amount of detergent when water is soft, or laundry is small or lightly soi LED.
• Do one more washing cycle with cold water and a table spoon of salt without detergent.
Wet Clothes
• Unbalance due to not enough load. Put additional load.
Due to excessive suds by using general detergent. Use HE (High-Eciency) or reduce its quantity.
• Low Spin Speed or Drain Only was selected.
• Go to “ Will Not Spin”.
Will Not Lock
• Door is not aligned or closed properly.
• Perform Quick Test Mode. Check Door Lock. Check the output voltage of Door Lock Coil. If it reads 120V, change Door Lock Switch, and if not, change PCB. (Refer to PCB Connector Check.)
• Read Lock Switch and PCB (CN6 & CN1). (Refer to PCB Connector Check.)
• Try Door Lock and check for 120V to Door Lock Connector. If 120V present, change Main Control Board and if not, change Door Lock switch.
Will Not Unlock
• Check if the door is being pushed out, which may keep it from unlocking.
Door locks itself when the water level is too high. Opening door will result in water draining from door opening.
• Check the following with Board Input Test Mode. Water Level (frequency): Over 23.80 KHz. If so, refer to “Will Not Drain”. Temperature (Inside Drum): Higher than 60ºC/140ºF. If so, wait until it drops. When everything is normal, check PCB connectors and Door Lock Switch.
• Drain manually after removing the plastic drain hose holder.
• Display shows “The door will not unlock”. Turn o and on the unit. If “The door will not unlock” keeps illuminating, check PCB and Door Lock Switch.
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TROUBLE SHOOTING
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
TROUBLE DIAGNOSIS
• Read Lock Switch and PCB (CN6 & CN1). (Refer to PCB Connector Check.)
• Perform Quick Test Mode. Check Door Lock. Check the output voltage of Door Lock Coil. If it reads 120V, change Door Lock Switch, and if not, change PCB. (Refer to PCB Connector Check.)
No Key Operation
• Option and Function buttons respond dierently according to each cycle.
• Child Lock is being activated. To exit, hold down Soil Level Key and Signal Key simultaneously until it sends out a beeping sound.
• When “End“ illuminates on the display, only Power button works. Press Power button and make new cycle selections.
Will Not Drain
• Check for any kink on the drain hose. If any, straight it out.
• Check for any restriction in the drain hose.
• Close the door and press the Start/Pause Button. For safety reasons, the washer does not tumble or spin with the door open.
• When it is freezing outside, check if it is frozen inside the drain hose.
• Check if the water level signal input is correct. Go to Board Input Test Mode.
• Go to Quick Test Mode and do Drain Pump Test.
• Check if there is any twist in the hose (the one between Tub and Drain Pump).
• Check if it reads AC 120V at the pump when a spin cycle is selected.
• Read the winding resistance of the pump motor. (14.2±7% Ohms)
• Check the pump at CN1(PIN3) on PCB. It should read AC 110~120V. (Refer to PCB Connector Check)
Wrong Water Temperature
• Check if both of the water taps are fully open.
• Make sure the domestic water heater is set to deliver water lower than 120°F (49°C) hot water at the tap. Also check water heater capacity and recovery rate.
• If the water heater is located far from the washer, screw out the hot water tap and let its water pass until you get hot water.
• Too Hot/Too Cold: Reduced amount of water is supplied while PCB controls the inux to regulate the actual temperature of the water in the tub. This may appear to be signicantly hotter/colder than expected.
• Check if the temperature selection is correct.
• Disconnect inlet hoses from the Water Valve and remove any residue in the inlet screens.
Noisy and/or Vibration/Walking
• Check if the washer is level LED and the lock nuts are tightened up on the bottom plate.
• Check if all of the shipping bolts and spacers are removed from the back panel.
Check if load is big enough and there is no unbalance.If there is not enough load, put in a few towels to balance it.
• Check if the motor is fastened enough.
• Remove various trouble contributors (such as dust coat on the oor).
Rubber Feet Leaving Marks on Floor
• Use a pencil eraser to remove mark.
• Walk washer into location, do not drag.
Additive Cups Full of Water
• Small amount of water in bottom of additive cups is normal.
• Remove and wash Dispenser Tray, removable Cup, and Rinse Cap.
• Level washer.
Buttons do not Respond
• Option and Function buttons respond dierently according to each cycle.
• Child Lock feature has been selected. To disable feature press and hold Temp. and Spin simultaneously until a beep is heard.
• When display shows “End”, only the Power button will function. Press Power and make new cycle selections.
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TROUBLE SHOOTING
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
PROBLEM CHECKING AND METHOD OF PCB
- If you plug in the power cord and turn Power S/W on, memorized data is displayed. If any data is not displayed, check the followings.
CN6 £ ¨
Thermistor Check
Check Voltage at Pin #3 and #4 of CN6 Tester Check = DC 1.6V If it ready 5V, check if its connector is engaged properly.
CN3 ¦ £
CN6
¨ §
¬ £
¬ £ CN7
Hall Sensor Check
Check Voltage at Pin #4 and #2 of CN3 Tester Check = DC 0V or 1.3V Check Voltage at Pin #4 and #3 of CN3 Tester Check = DC 0V or 1.3V
Motor Check
Resistance at Pin #1 and #2 of CN11 = 12Ω Resistance at Pin #1 and #3 of CN11 = 12Ω Resistance at Pin #2 and #3 of CN11 = 12Ω
Door Lock Check
Check Voltage at Pin #1 of CN6 and Pin #2 of RY5 When Door Lock = AC 120V
Drain Motor Check
Check Voltage at Pin #5 of CN6 and Pin #2 of RY5 When Drain Motor operates = AC 120V
Water Sensor Check
Check Voltage and Frequency at Pin #5 and #4 of CN6 Reset water level = DC1.6V, 26.0KHz Check Voltage and Frequency at Pin #6 and #4 of CN6 Reset water level = DC1.6V, 26.0KHz
CN11
£ ¥
RY6 £ ¤
CN5 £ ¥
RY5
£
¤
CIRCLE Motor Check
Check Voltage at Pin #4 of CN6 and Pin #2 of RY5 When Circulation Motor operates = AC 120V
Water Valve Check
Check Voltage at Pin #2,6,7,8,9,10 of CN6 and Pin #2 of RY5 When each valve operates = AC 120V
AC Power Check
Check Voltage at Pin #1 of CN5 and #2 of POWER RELAY Tester Check = AC 120V
Wash Heater Relay Check
Check Voltage at Pin #2 of RY6 and PIN #2 of RY5 When Heater Relay operates = AC 120V
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WIRING DIAGRAM
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power.
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