WASHING MACHINE
Contents
1. Technical information WF501ANWX 03011B_EN indd 18 2011 06 24 10 6 20 25 WATER FLOW DIAGRAM A WARNING To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power PRE WASH s Ss 3 ee 19 Technical information WF501ANWX 03011B_EN indd 19 2011 06 24 6 20 25 Technical information WF501ANWX 03011B_EN indd 20 2011 06 24 6 20 262. Close door and push the Start Pause key to run the washer Check if washer is in a pause soak or suds process Wait briefly 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 filter Check if PCB connectors are assembled 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 flow of water from the washer Make sure end of drain hose is correctly inserted and secured to drain standpipe Check internal hose connections fill drain systems dispenser hoses amp 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 fill 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 S
3. 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 amp 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 e 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 gt If so refer to Will Not Drain Temperature Inside Drum Higher than 60 C 140 F gt 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 off and on the unit If The door will not unlock keeps illuminating check PCB and Door Lock Switch 15 Technical information WF501ANWX 03011B EN indd 15 2011 06 24 10 6 20 25 Technical information WF501ANWX 03011B_EN indd 16 TROUBLE SHOOTING To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power
4. Various tests can be done with Service Mode So troubleshooting can be done based on the resulting diagnostic codes How to Enter Technical information WF501ANWX 03011B_EN indd To enter the Service Mode press the Signal and Extra Rinse Keys for 3 seconds or until the unit sends out beeping sounds a 2011 06 24 OCO 6 20 24 Technical information WF501ANWX 03011B_EN indd 7 ALIGNMENT AND ADJUSTMENTS To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power Service Mode Signal Extra Rinse 3 sec Power On State Normal User Mode Service 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 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 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 Quick Spin Test Mode Service Mode Delay Start Rins
5. Asthe micom wash machine is configured 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 difference of the human body and machine by contacting the power supply plug when the work contacting to PCB is executed POWER SUPPLY PLUG 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 13 Technical information WF501ANWX 03011B EN indd 13 2011 06 24 10 6 20 25 TROUBLE SHOOTING 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
6. TROUBLE DIAGNOSIS Read Lock Switch and PCB CN6 amp 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 differently 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 e 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 e Check if there is any twist in the hose the one between Tub and Drain Pump e 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 e Check if both of the water taps a
7. is detected as open while it is trying to lock the door Abnormal high low temperature or resistance Thermal sensor or PBA resistance Motor problem Heater Relay Failure No Heater Relay Check Signal The hot cold water hose connection is not correct Voltage for motor control bus is over or under specified limit Suds is detected during the washing session SUdS is not an error If the washer is in suds period SUdS will light up instead of remaining time Communication error between SUB PBA and MAIN PBA Front MEMS sensor problem Rear MEMS sensor problem Technical information WF501ANWX 03011B_EN indd 3 Corrective Action Go to Quick Test Mode and then do Door Lock Unlock Test Go to Board Input Test and check Water Temperature Check loose or pinched wires Replace PCB or thermistor restart the cycle if the code reappears call for service Replace PCB Please connect the hot cold water hose connection correctly Replace PCB Guide a user to reduce amount of detergent usage Check Main PBA SUB PBA amp Wire harness Replace PCB Check MEMS Sensor MANI PCB amp WIRE Harness Check MEMS Sensor MANI PCB amp WIRE Harness 2011 06 24 6 20 24 Technical information WF501ANWX 03011B EN indd 4 ALIGNMENT AND ADJUSTMENTS To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires
8. level it will carry out draining f f before the spinning 3 minutes Fill Water Main Wash Drain Spin gt gt 4 f 3 minutes 3 minutes a l Fill Water 2 Rinse I Drain Spin L a m Pre Bleach m j Valve Supply 3minutes Or Pe irr Creer rere AETELLELLLLLELLLLLM Fill Water Final Rinse Drain Final Spin n 7 n 7 n Pre Softener P gt H F Valve Supply f5 3minutes POPP PCC T Cee rer rere 9 2011 06 24 OCO 6 20 24 ALIGNMENT AND ADJUSTMENTS To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power Board Input Test Mode lt Extra Rinse Board Input Test Definition of Board Input Test Mode Board Input Test Mode is to displays a specified input after a key press How to Enter To enter the Board Input Test Mode press the Extra Rinse key during Service Mode Board Input Test Mode 1 Activate the Service Mode first 2 Press the key to start Board Input Test 3 Turn the Jog Dial so that the normal course LED is turned on and The Water Temperature will be displayed in Celsius 4 Turn the Jog Dial so that the Heavy duty cycle LED is turned on The Water Temperature will be displayed in Fahrenheit 5 Turn the Jog Dial so that the Perm Press cycle LED is turned on The door status will be displayed OP if open CL if closed 6 Turn the Jog Dial
9. so that the Sanitize LED is turned on The Door Lock Switch status will be displayed UL if unlocked LO if locked 10 Technical information WF501ANWX 03011B_EN indd 10 2011 06 24 OCO 6 20 24 Technical information WF501ANWX 03011B_ EN indd 11 ALIGNMENT AND ADJUSTMENTS To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power Diagnostic Code Check Mode ServiceMode lt Spin Diagnostic Code Definition 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 flashing press the Spin key during Service Mode Board Input Test Mode 1 Activate the Service Mode first 2 Press the Spin key key to start Error Code Check Mode with Code d flashing 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 11 2011 06 24 OO 6 20 24 Technical information WF501ANWX 03011B EN indd 12 ALIGNMENT AND ADJUSTMENTS To avoid risk of electrical shock personal injury or death dis
10. Made Normal User Mode 7 sec gt Definition of Continuous Run Mode Will continuously repeat the current cycle until the Continuous Run Mode is cancelled How to Enter Press Temp Intensive Wash Key together for 7 sec Continuous Run Mode 1 Press Temp Intensive Wash Key for 7 sec during Power On State Normal User Mode 2 Once in Continuous Run Mode The seven segments will no longer display 0000 and will alternate between displaying the number of cycles of the completed course and the remaining time of the course 3 The Continuous Run Mode will repeat the previous cycle until continuous run mode is cancelled 4 During Continuous Run Mode press temp spin Key for 7 sec to return to normal user mode The seven segments will no longer display the number of cycles and will display the maintenance time only 5 If you exit Service Mode after entering it from Continuous Mode the washing machine returns 6 to Continuous Mode If power is lost in Continuous Run Mode that is when the power plug is disconnected or the Power key is pressed turning the washing machine off the mode is released when the washing machine is turned on again Service Mode Definition 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
11. WASHING MACHINE Technical Information e Due to possibility of personal injury or property damage always contact an authorized technician for servicing or repair of this unit e Refer to Service Manual for detailed installation operating testing troubleshooting and disassembly instructions A CAUTION All safety information must be followed as provided in Service Manual A WARNING To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power Code No DC68 03011B_EN Technical information WF501ANWX 03011B_EN indd 1 2011 06 24 6 20 23 ALIGNMENT AND ADJUSTMENTS 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 Diagnostic Code Error Image Description The water level fails to drop below the Reset Water Level within 15 minutes Door fails to Unlock After 7 attempts When the filling Continues for more than 40 minutes or there is no change of water level for 6 minutes Door fails to lock after 7 attempts A water level lower than the Reset water level is detected for 5 seconds during the Wash Rinse cycle Water level sensor problem Door is unlocked when washer is running A fault is detected in the water level sensor Data frequency shows the water leve
12. ain Pump operates AC 120V 17 Water Valve Check Check Voltage at Pin 1 of CN6 and Pin 1 2 7 8 9 of CN1 When Each Valve operates AC 120V AC Power Check Check Voltage at Pin 1 and 2 of CN6 Check Voltage at Pin 1 CN2 and Pin 2 of RY1 WASH Heater Relay Check Check Voltage at Pin 1 of CN6 and Pin 2 of RY13 When Heater Relay operates AC 120V Technical information WF501ANWX 03011B_EN indd 17 2011 06 24 10 6 20 25 WIRING DIAGRAM To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power Model WF501AN SCHEMATIC DIAGRA SUB PCB DIAPLAY ore HTEO RELAY H 10P WASH HEATER POWER RELAY MAIN PCB RELAY pe A WATIBP WHT 4AP WHT 3P RED 2P BLP BLK 3P BLUL2P CCTC WOO 5 Haq AA OC 3 Ea E a a 5 a WHT 7P K 10 YELI ORG vio DRAIN PUMP MOTOR WHSHER HEATER S HALL SENSOR MOTOR POWER W 2 3 LK VIOLET NTR NEUTRAL vio WASHER THERMISTOR DOOR CHECK S W NOISE FILTER N on 2 8 N eLu 52 3 DOOR LOCK S W 8 En sall e ES g DRAIN PUP BLU r 4 18
13. connect power to washer before servicing unless testing requires power Demo Mode Delay Start Soil Level Normal User Mode 5 sec Demo Mode While a cycle is not running Power Off Mode Power Off Key Demo mode is entered when the Delay Start Soil Level buttons are held down for five 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 LEDs are turned off Initial Demo mode Demo mode consists of WASH SPIN and LED modes Ifthe Temp button is pressed during the initial Demo mode WASH blinks on the 7 segment display and the washing machine enters WASH mode Ifthe 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 off cycle WASH mode continues up to five 5 minutes once started After the five 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 Ifthe Spin button is pressed in the initial Demo mode Spin blinks on the 7 segment display and the washing machine enters SPIN mode Ifthe Start Pause button is pressed in the SPIN mode the door is locked Door Loc
14. e Add Delay Start Rinse Add While it is not in Hold Speed Mode 3 sec While a cycle is not running L Quick Spin Test Mode L Delay Start Rinse Add for 3sec or after 10 minutes Start Pause Hold Speed Mode Definition 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 Delay Start Rinse Add Keys together for 3 seconds If you hold down the Delay Start Rinse Add keys for three 3 seconds when the washing machine is not in Hold Speed Mode Quick Spin Mode is exited and Service Mode is restored 2011 06 24 OCO 6 20 24 Technical information WF501ANWX 03011B_EN indd 8 ALIGNMENT AND ADJUSTMENTS To avoid risk of electrical shock personal in
15. jury or death disconnect power to washer before servicing unless testing requires power Cycle Count Check Mode sevice Mode Signal Cycle Count Definition 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 1999 The counter will roll over to 0 and start counting again after 1999 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 Definition 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 L349 at Version 49 L3 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 mot
16. k and a spin is operated at 1150 RPM When the speed reaches 0 RPM the No Spin Low Medium High and Extra High LEDs 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 All spin speed LED turn off 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 For LED mode use SOIL LEVEL key Ifthe Start Pause button is pressed in LED mode all LEDs are turned on The 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 12 2011 06 24 OCO 6 20 24 TROUBLE SHOOTING A WARNING To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power TROUBLE DIAGNOSIS
17. l is at or above the overflow water level When this condition is detected the machine will automatically starts draining water until the water level falls below the reset water level Unbalance or cabinet bump is detected during final spin which prevents the drum from spinning over 150 rpm Never exceeds 150 RPM due to unbalanced load Jammed Key When key input signals are coming out for more than 30 seconds it is regarded as a jam Technical information WF501ANWX 03011B_EN indd 2 Corrective Action Go to Will Not Drain Troubleshooting Go to Will Not Unlock Troubleshooting Section Go to No Water Fill Troubleshooting Section Go to Will Not Lock Troubleshooting Section Go to No Water Fill Troubleshooting Section GO yo NO Water Fill Troubleshooting section Press the Power button to turn off your washer then restart the cycle If the code reappears call for service First check to see that all of water valves are not stuck If water valves are OK check water level Go to Wet Clothes Troubleshooting Section Check all of keys If A key is sensed to be pressed all keys will do not respond 2011 06 24 6 20 23 ALIGNMENT AND ADJUSTMENTS To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power Error Code Diagnostic Code Error Image Description Door
18. ng 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 16 2011 06 24 10 6 20 25 TROUBLE SHOOTING 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 Thermistor Check Check Voltage at Pin 4 and 5 of CN6 Tester Check DC 1 6V If it ready 5V check if its connector is engaged properly Water Sensor Check Check Voltage and Frequency at Pin 6 and 5 of CN6 Reset water level DC1 6V 26 0KHz Check Voltage and Frequency at Pin 7 and 5 of CN6 Reset water level DC1 6V 26 0KHz Hall Sensor Check Check Voltage at Pin 4 and 3 of CN3 Tester Check DC OV or 1 3V Check Voltage at Pin 4 and 2 of CN3 Tester Check DC OV or 1 3V Motor Check Resistance at Pin 1 of 2 of CN8 120 Resistance at Pin 2 of 3 of CN8 120 Resistance at Pin 3 of 1 of CN8 120 Door Lock Check Check Voltage at Pin 1 of CN6 and Pin 5 of CN1 When Door Lock AC 120V Drain Motor Check Check Voltage at Pin 1 of CN6 and Pin 3 of CN1 When Dr
19. or RPM illuminating 2011 06 24 OCO 6 20 24 Technical information WF501ANWX 03011B_ EN indd 9 ALIGNMENT AND ADJUSTMENTS 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 Service Mode lt lt Temp Fast Time Down Test Mode Definition 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 Marker a x A At this point it checks the water Fill Water Pre Soak Drain Spin 4 level and If it is over the reset gt a
20. power TEST MODE Quick Test Mode Test Mode Power Off State Le Pode Each Test Mode for the GRACE is as follows in f continuous cyte the coming pages The test modes indicated ioral User Mode 7 jms by the red arrows are modes unable to get an Leeper access once the washing cycle has started due gt Cycle Count Check Mode to safety resons S W Version Check Mode Fast Time Down Test Mode L Demo Mode Board Input Test Mode Diagnostic Code CheckMode Quick Test Mode Power ec6 Cold r Normal Stain Away Heavy Duty Active Wear Delicates Perm Press P Hand Wash aa Samia Bia Start Pause Sanitize o Wool wit High oA Medi 8 Normal Bedding O Quick Wash an g o av Light Deep Clean Q Rinse Spin Sane aco Snos bas On Off Temp spin Soil Level Definition of Quick Test Mode Check operation of all LED s Verify faulty LED Check model and software version Check different operating modes e g water valve motor door drain pump etc How to Enter Plugin the unit Press Soil Key Spin Key and Power Key at the same Time 2011 06 24 OCO 6 20 24 ALIGNMENT AND ADJUSTMENTS To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless te
21. re 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 e Ifthe 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 influx to regulate the actual temperature of the water in the tub This may appear to be significantly hotter colder than expected e 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 leveled and the lock nuts are tightened up on the bottom plate e Check if all of the shipping bolts and spacers are removed from the back panel e 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 floor 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 differently accordi
22. sing Cold amp Bleach Water Valve and Hot Water Valve e Check if water taps are turned on fully Check Water Valves and Water Level Sensor Refer to PCB Connector Check e Check if there is any kink in inlet hoses e Check if inlet screens are clogged up e Check if water has enough pressure If so find out its contributors e 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 e 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 Efficiency or low sudsing detergent specially formulated for front load washers Reduce the amount of detergent for that specific 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 soiled Doone 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 Efficiency or reduce its quantity Low Spin Speed or Drain Only was selected e Goto Will Not Spin Will Not Lock
23. sting requires power Quick Test Mode 1 All LED s light up and it sends out Beep Sound when it _ enters into the Quick Test Mode Including 7 Segment Aron 2 Displays software version for a sec and Clear EEprom Ex If J S W Version is 49 7 Segment will display L349 yore 3 When the version is displayed turn the Jog Dial so that l the version disappears Press the following keys to test the semen various Components i Temp Key Water Valve Test udii Spin Key Door Lock Unlock Test Soil Key Water Heater Test TOS ia aie aen Intensive Wash Drain Pump Test EEPROM Clear Check Definition of EEPROM Clear Mode 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 monde io EEPROM should be reset How to Enter The unit needs to be on T Press Delay Start Key and Power Key at the same time Display Good Display Fail Technical information WF501ANWX 03011B_EN indd 5 2011 06 24 OCO 6 20 24 ALIGNMENT AND ADJUSTMENTS To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires power Continuous Run Mode Power On State Temp Steam Cantinudus Bun
24. witch Motor Tach Harness and Motor Control Refer to the component testing procedure Check motor windings resistance CN8 pins 1 amp 3 11 60hms 7 Pins 1 amp 2 11 6ohms 7 Pins 2 amp 3 11 6 ohms 7 Faulty Main Control Board Faulty motor Will Not Spin Technical information WF501ANWX 03011B_EN indd 14 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 amp 3 11 6 ohms at 7 20 C 68 F Pin1 amp 2 11 60hms at 7 20 C Pin2 amp 3 11 6 ohms at 7 20 C 14 2011 06 24 10 6 20 25 TROUBLE SHOOTING 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 u
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