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Ingeniería de Servicio

- 73 -

Fault Codes

Fault
Code
(Hex)

Name

Description

Repair Action

Pressure
Sensor
Dropout

1. Disconnected
pressure hose.
2. Pressure tube is
pinched or has
water in it.
3. Pressure sensor
failure.



Check pressure tube for pinches where it

goes through top cover grommet.



Check pressure tube for trapped water.



Check for any leaking water valves.



Check home water pressure.



Check the output voltage from the pressure

sensor to ensure it matches the water level in
the basket according to the pressure sensor
chart. If it does not, the control will need to be
replaced as the pressure sensor is mounted
directly to the control.

Summary of Contents for GTW220BMKWW

Page 1: ...Ingeniería de Servicio 1 Service Manual June 2016 Top Load Washer Kraken 27 HTW200BMKWW GTW460BMKWW MTW200BMKWW GTW485BMKWS GTW220BMKWW GTW680BMKWS GTW330BMKWW GTW680BMKDG GTW465BMKWS ...

Page 2: ...n it assume any liability in connection with its use WARNING To avoid personal injury disconnect power before servicing this product If electrical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES If grounding wires screws straps clips nuts or washers used to complete a path to ground are removed ...

Page 3: ...esistant Glove Cut Resistant Sleeve s Steel Toe Work Boot Brazing Glasses Plano Type Safety Glasses Prescription Safety Glasses Safety Glasses must be ANSI Z87 1 2003 compliant Electrically Rated Glove and Dyneema Cut Resistant Glove Keeper ...

Page 4: ...thorized Service Technicians are REQUIRED to follow the Lockout Tagout LOTO 6 Step Process Step 1 Plan and Prepare Step 4 Apply LOTO device Lock Step 2 Shut down the appliance Step 5 Control discharge stored energy Step 3 Isolate the appliance Step 6 Try It Verify that the appliance is locked out ...

Page 5: ...ngs are customizable so you always get the wash you want GTW680 Models Sanitize with Oxi Remove 99 9 of bacteria with a dedicated cycle that uses an Oxi additive to boost your detergents cleaning power while keeping fabric looking their best Stain Removal Guide Assist removing tough stains with preprogrammed settings that modify your cycle to treat the four most common stains Warm Rinse Just what ...

Page 6: ...Control U Unitized Platform W Washer D Vented Dryer Std V Vented Dryer Long C Condenser Dryer H Heat Pump Z Flat Back Dryer Long X Flat Back Dryer Std Series 1 2 3 Series 1 1 9 Series 2 1 9 4 24 unitized 7 27 unitized Series 3 1 9 Washer only Partner Type P Premium Cost color H Home Depot L Lowes S Standard C Contract Hoses M Mabe Year K 2016 Engineering Number 0 1 2 Color W S 0 0 G S Product Type...

Page 7: ... Z 2024 The letter designating the year repeats every 12 years The third character denotes the product being produced 3 Washer Saltillo Mexico Character 4 thru 8 will denote the number of units built for a given product and will start with 00001 at the beginning of each fiscal month and progress sequentially until 99 999 is reached or the fiscal month has changed Character 9 will denote the Brand ...

Page 8: ...m of the basket Test are completed with an empty basket Approximate Maximum Water Levels Impeller 26 Gallons or 13 1 2 in depth from the bottom of the basket Press and hold for 3 seconds Deep Fill to achieve Impeller Bulky setting water level is 25 gallons or 12 3 4 in depth from the bottom of the basket Agitator 26 Gallons or 12 1 2 in depth from the bottom of the basket Set to super ...

Page 9: ...Ingeniería de Servicio 9 Model Graphics ...

Page 10: ...Ingeniería de Servicio 10 Lid Assembly Removal Remove the two Philips head screws of one Hinge Right or Left side Slide the lid toward the Hinge Removed and lift it up to remove ...

Page 11: ...ws that secure the control panel assembly to the top cover at front Remove the seven in hex head screws from the back panel and remove it Remove the two in hex head screws from the rear corners on the control panel IMPORTANT Do not move the control panel until disengaging the pressure tube from the control board otherwise the pressure sensor could be damaged ...

Page 12: ...he sensor IMPORTANT Pressure tube should not be handled vertically or horizontally as there is a risk of damage to the pressure switch only must disengage as indicated above Disconnect connectors from the control board and remove six in hex screws securing the control board bracket to the control panel assembly and remove IMPORTANT When reinstalling the control panel assembly ensure that all groun...

Page 13: ...p cover or disconnecting the control panel assembly completely Remove the lid assembly Disengage the control panel from the top cover and slide toward the rear to expose the hinge mounting screws Remove the two in hex head hinge mounting assembly screws Remove the Philips head screw from the top cover ...

Page 14: ...Ingeniería de Servicio 14 Slide a hand between the tub cover and the top cover Grasp the hinge assembly and remove it from under the top cover ...

Page 15: ... lid lock striker slides into the lid lock switch assembly When a cycle is started the lock assembly engages with the striker preventing the lid from opening during the cycle The latch has spring tension on it to keep it engaged with the switch lock assembly ...

Page 16: ...16 To remove the striker from the lid Open the lid Using a small screwdriver insert it into the small hole below the striker Push inward gently on the locking tab and turn the striker to the left Pull the striker from the lid ...

Page 17: ...It requires 120 VAC to activate the lock The approximate resistance of the lock coil is 70 ohm from Blue Black from J513 board connector at Lid Lock closed position Checking between Black and White wires at the same board connector will show the continuity of the lid switch To remove the lid switch lock assembly ...

Page 18: ...l from the top cover by reaching under the top cover toward the lock assembly and feel for the bezel tabs to extend through the lock body Push the tabs out from the side of the lock body and then push up to remove the bezel from the top cover ...

Page 19: ...b that prevents the lock assembly from sliding Slide the lock assembly to the left first to disengage the right tab then slide to the right allowing the lock assembly disengage from the top cover Pull the lock assembly from under the top cover and disconnect the harness connector ...

Page 20: ...y off to valve Hoses do not need to be disconnected at this time Remove two Phillips head screws that go through the thermistor mounting bracket into the body of the valve Remove thermistor by pulling up on lip of thermistor Ensure o ring is removed with thermistor ...

Page 21: ...Ingeniería de Servicio 21 Tilt back of valve up and slide out of top cover Once valve is out and held over the basket disconnect hoses Valve funnel and Gasket are one part ...

Page 22: ...0 Model Video Link To remove the water valve Shut off the water supply to the washer Hoses do not need to be disconnected at this time Lean the control panel assembly back It does not have to be completely removed Disconnect the harness from the water valve ...

Page 23: ...e three in hex head screws securing the valve to the top cover and pull the valve up Hold valve over the basket and disconnect the supply hoses from the valve Quad Valve and the four rubber seals are together in the same part number ...

Page 24: ...r valve is removed the thermistor can be accessed and remove It is pushed into the dispenser box and held in place by the water valve and is sealed with an O ring Remove thermistor by pulling up on lip of thermistor Ensure O ring is removed with the thermistor ...

Page 25: ...to fill and flush the cups After the valve turns off the remaining water in the cup siphons out Video Link When bleach is added to the bleach cup it is funneled through to the tub cover and into the tub Remove the backsplash assembly water valve and top cover Remove the dispenser tray from the dispenser body Remove four in hex head screws from the top cover securing the dispenser body to the top c...

Page 26: ...op cover by pushing back slightly on the dispenser body and pull away from top cover Take care of the back tap of the dispenser body in order to not damage it The dispenser shower insert can be removed at this time for cleaning if necessary Dispenser Shower Insert ...

Page 27: ... Servicio 27 Top Cover Removal Remove the lid assembly and control panel assembly Disengage the power cord from the top cover by pulling up on the front of the power cord grommet Slide the power cord grommet forward ...

Page 28: ...Ingeniería de Servicio 28 Pull up off of the top cover Remove ground screws Slide the harness grommet out toward the rear of the washer ...

Page 29: ...bly and the control panel assembly Remove two in hex head screws one on each side at the rear corners of the top cover Slide the harness grommet out toward the rear of the washer Disengage the power cord from the top cover by lifting up on the front of the cord grommet slide forward and up off of the top cover Raise the rear of the top cover up then pull forward slightly to disengage from the fron...

Page 30: ...Ingeniería de Servicio 30 Impeller and Agitators Impeller Dual Action Agitator Single Action Agitator ...

Page 31: ...ll flat screwdriver to access the 7 16th in hex bolt The splined coupler is part of the impeller and agitators Note Impeller bolt should be replaced any time it is removed for service and torqued to 100 in lbs If it is necessary use a couple of nose pliers in order to disassemble the impeller ...

Page 32: ... section needs to be removed to access the 7 16th in hex bolt The bolt is located inside the agitator at the bottom A long socket extension at least 17 in long will be needed to remove it Note Agitator bolts should be replaced any time it is removed for service and torqued to 100 5 in lbs ...

Page 33: ...aking the agitator cap off to access the 7 16th in hex bolt The bolt is located inside the agitator at the bottom A long socket extension at least 17 in long will be needed to remove it Note Agitator bolts should be replaced any time it is removed for service and torqued to 100 5 in lbs ...

Page 34: ...Ingeniería de Servicio 34 Basket Removal Remove the lid control panel assembly and top cover Remove the tub cover by unclipping eight clips around the edge and lift it off ...

Page 35: ...in hub nut by turning the nut clock wise to loosen reverse threads A new hub nut should be used when reinstalling the basket assembly Torque to 100 10 ft lbs Remove the hub washer Right position Wrong position Be care of position when reinstalling the hub washer ...

Page 36: ...Ingeniería de Servicio 36 Lift the basket out of the tub Remove the tub washer ...

Page 37: ...Ingeniería de Servicio 37 Tub and Cabinet Removal Replacement Remove the lid control panel assembly and top cover Remove one Philip screw from the hose cover Remove hose cover ...

Page 38: ...Ingeniería de Servicio 38 Disengage the rod and spring suspension from the tub assembly ...

Page 39: ...l Replacement Once the suspension is disengage remove the prop blocks letting the tub assembly rest on the belt protector Raise the cabinet up and over the tub assembly and set aside Note Be careful of the tub assembly balance while removing cabinet ...

Page 40: ...acement The cabinet needs to be removed to replace the harness assembly Once the cabinet is removed there are two in hex head screws that secure the harness to the side of the tub that need to be removed There is one in hex head screw on the bottom ...

Page 41: ...Ingeniería de Servicio 41 Bottom Component View ...

Page 42: ...ts to the tub the same as the drain pump Video Link Drain Pump The drain pump is located on the right side of the bottom of the tub It is mounted directly to the tub secured by three 3 3 8th in hex head bolts Video Link Both pumps are 120 VAC The approximate resistances of the pumps checked from J512 board connector are Drain pump 13 2 ohms Recirculation pump 31 7 ohms ...

Page 43: ...eniería de Servicio 43 Drain And Recirculation Pump Once the bolts are removed the pump can be pulled from the tub Have something to catch excess water The seal is integrated to the pump as one Part Number ...

Page 44: ...d can be removed easily turning the pulley to walk the belt off To reinstall the belt put it on the motor pulley first Stretch the belt around the transmission pulley as far as it can go Then rotate the pulley until the belt is in place Be sure all the ribs of the belt ...

Page 45: ...oth 120 VAC reversible motors Resistances are hp White Brown and White Yellow approx 3 1 ohm 1 3rd hp approx 3 8 ohm from J511 board connector To remove the motor Remove the belt and fan pulley The pulley is held on by a 9 16 in lock nut Use a new nut when reinstalling the pulley and torque to 110 in lbs Disconnect the motor harness connector ...

Page 46: ...Remove two in bolt mounting the motor to the tub letting the motor come loose from the platform When reinstalling the motor mounting bolts torque to 110 in lbs Note If the hall speed sensor is wire tied to the motor when replacing the motor order both the motor and hall speed sensor ...

Page 47: ...in or agitate The clutch home position is engaged with the pulley or ready for spin It has a 120 VAC motor Resistance of the mode shift motor from Red Blue is 5700 10 ohm from J512 board connector To remove the mode shifter Remove the transmission pulley and nut The pulley is held on by a 9 16 in lock nut Use a new nut when reinstalling the pulley and torque to 110 in lbs ...

Page 48: ...r harness connector Remove two 3 8th in hex head mounting bolts This will allow the complete mode shifter assembly to be removed with the clutch The clutch spring and spring washer will come off as well When reinstalling be sure to install the spring washer before the clutch spring ...

Page 49: ...ecured to the tub by nine 3 8th in hex head bolts circled One of these bolts also holds one of the harness brackets to the platform To remove the platform assembly after all other components have been removed remove the nine 3 8th in hex head bolts and pull the platform away from the tub Note The bottom of the tub can be used to pry the platform transmission assembly off of the tub The tub seal is...

Page 50: ...ssion into the opening of the tub Press the tub seal into the tub opening Note Line the guide post with the opening in the platform Tighten the nine hex head bolts in a crisscross pattern so that the seal is pulled into the tub evenly and securely This is done by tightening each bolt about of the way in at a time Torque to 70 in lbs ...

Page 51: ...Ingeniería de Servicio 51 Schematic ...

Page 52: ...Ingeniería de Servicio 52 Control Board User Interface ...

Page 53: ... Pressing Start will display the next fault code o Models without 7 segment display Fault code will blink in binary the consumer will report which LEDs are blinking and which are not See Binary Display Fault Chart o Models with 7 segment display Fault code will blink on the 7 segment display At the end of the fault list or if no faults present o Models without 7 segment display All status LEDs wil...

Page 54: ... likely cleared If water remains in the washer check for clogged or pinched drain hose This situation could be more likely to appear over time if the external drain hose has been extended or restricted H2O Supply Water not entering washer Check your house water supply Did you forget to turn on one or both supply valves after installation or coming back from vacation As soon as the message starts t...

Page 55: ...t the test numbers in the display oRotating the knob counter clockwise will decrement the test number in the display oModels without 7 segment display Will display test using the status lights above the cycle knob in a binary format See Binary Chart oTurning the knob to go to a different test will terminate any current active state Once the test number is selected pressing Start will begin the sel...

Page 56: ...ical 4 UI Software Version Non Critical 5 XML Version Non critical 6 Hot Water Valve 7 Cold Water Valve 8 Fabric Softener Dispenser 9 Spray Rinse Valve 10 Preasure Sensor 11 Recirculate Pump 12 Drain Pump 13 Lid Switch 14 Spin 15 Agitate 16 Clear all F Codes 17 Change Personality 18 Analog knob Filled circles indicate light on Fault Test displayed in binary format using cycle status ligths Binary ...

Page 57: ...Models without 7 segment display Faults will be shown On Start button press blink first fault code in binary See Binary Chart On next Start button press blink next fault code At end of list OR if no fault codes are present blink all LEDs Pressing Start at the end of the fault list will wrap back around Use the fault sequence 7 segment display models On Start button press blink first fault code Dis...

Page 58: ...rt button to toggle through the software version number as follows Example v01 23 High end UI 1st press 01 on 7SD 2nd press 23 on 7SD Low end UI See Version Diagram below Major version Pause LED ON 3rd press Display 2 in binary 4th press Display 3 in binary 4 UI Software Version Non critical After entering this test press the Start button to toggle through the software version number as follows Ex...

Page 59: ...Display 0 in binary all LEDs off 2nd press Display 1 in binary Minor version Lid Locked LED ON 3rd press Display 2 in binary 4th press Display 3 in binary NOTE We only show the non critical version number because the critical XML version number must match the application non critical version number for the control to boot If you get to service mode then the XML critical version is correct If not u...

Page 60: ...ll be on 1 minute The valve will turn off when the test is exited 9 Spray Rinse Valve Check Pressing Start will toggle the spray rinse valve on and off Test will have a timeout for how long valve will be on 1 minute The valve will turn off when the test is exited 10 Pressure Sensor Pressing Start will start the test Pressure sensor test will have a time out All valves will turn on All LEDs will bl...

Page 61: ...p will be on The drain pump will turn off when the test is exited 14 Spin Pressing Start will start the test Spin test will perform child safety algorithm before it starts to spin Two 2 sprays of water before locking the lid The lid must be closed to start the test If lid is opened the Locked LED will blink When started the mode shift to spin will occur if required and the lid will be locked When ...

Page 62: ...if required When mode shift is complete the washer will begin agitating The test will pause if the lid is opened after starting The test will resume on lid close if it was running when opened The test will stop when the test is exited 16 Clear all Fault Codes Pressing Start will clear all fault codes 17 Change Personality Pressing Start will start the test Press Start button again and the next val...

Page 63: ...aight seconds control not seeing signal changes indicating the motor is turning while trying to spin Could mean the motor isn t rotating or Control didn t get the signal because of lack of connection Physically check the washer for anything preventing motor movement Check harness and harness connections from the control to the motor Verify hall sensor is connected to the main harness Put washer in...

Page 64: ...the mode shifter motor at the control J512 connector If voltage is present replace the mode shifter If voltage is not present at the control replace control 6 Critical Flood Level by Pressu re Pressu re level exceed s 17 5 inches above pressu re port Control received an extended period of pressure readings that is nearing over flow levels Pressure 17 5 Voltage Output must be present Could mean wat...

Page 65: ...ck water valve Voltage output of sensor too high for actual water level because of sensor or water in pressure tube increasing pressure This can happen if a large wet load is placed in the washer Check pressure tube for pinches where it goes through top cover grommet Check pressure tube for trapped water Check for any leaking water valves Check the output voltage from the pressure sensor to ensure...

Page 66: ... cover grommet Check pressure tube for trapped water Check for any leaking water valves Check the output voltage from the pressure sensor to ensure it matches the water level in the basket according to the pressure sensor chart If it does not the control will need to be replaced as the pressure sensor is mounted directly to the control 9 Lid Switch Redundancy Start attempted for a 4th cycle when t...

Page 67: ...ontrol 11 Clock Monito r 1 AC power line frequency is not 60 Hz 2 Software failure Check the frequency of the AC power outlet If it is more than a few Hz off of 60 Hz If house frequency is good update software 12 Redun dant Flood Conditi on Backup Processor received an extended period of pressure readings that is nearing over flow levels Pressure 18 0 Voltage Output must be present Could mean wate...

Page 68: ... are OK replace control board 14 Lid Lock Failure Signal received by control is indicating the lock will not lock or unlock when requested or the lid switch is indicating open when the signal received indicated locked Verify that the lid lock is not blocked by any external debris Check lid switch continuity at J513 on the control Check continuity of lid lock position Opened or Closed Check for pro...

Page 69: ...e the pump impeller of debris Then it will finish draining If drain clearing algorithm fails look for fault 18 If fault 16 is 100 and fault 18 never occurs there is no problem If fault 16 and fault 18 equal each other in faults then look for drain blockages including house standpipe 17 Dry Load Sense Timeo ut Dry load sense times out and moves to the next part of the cycle selected This occurs whe...

Page 70: ...op cover grommet Check pressure tube for trapped water Check the output voltage from the pressure sensor to ensure it matches the water level in the basket according to the pressure sensor chart If it does not the control will need to be replaced as the pressure sensor is mounted directly to the control Check resistance of the pump 13 2 ohms from J512 connector on the control If open circuit check...

Page 71: ...ure sensor chart if it does not the control will need to be replaced as the pressure sensor is mounted directly to the control 21 Flood Warning Level by Gallons Water volume into the tub exceeded 36 3 gallons as calculated by the control Stops filling 1 Pressure tube is momentarily pinched or has water in it partial blockage if Flood fault 6 7 or 12 occurs 2 Low water pressure flow or permanent pr...

Page 72: ... or unlock or is locked while lid is opened Verify that the lid lock is not blocked by any external debris Check lid switch continuity at J513 on the control Check continuity of lid lock position Opened or Closed Check for proper operation of lid lock 120 VAC while activating Check lid lock wiring harness from the control to lock assembly If lid lock assembly and harness are OK replace control boa...

Page 73: ...ck pressure tube for pinches where it goes through top cover grommet Check pressure tube for trapped water Check for any leaking water valves Check home water pressure Check the output voltage from the pressure sensor to ensure it matches the water level in the basket according to the pressure sensor chart If it does not the control will need to be replaced as the pressure sensor is mounted direct...

Page 74: ...Ingeniería de Servicio 74 Cycle Overview ...

Page 75: ...Ingeniería de Servicio 75 Cycle Overview ...

Page 76: ...Ingeniería de Servicio 76 Cycle Overview ...

Page 77: ...Ingeniería de Servicio 77 Cycle Overview ...

Page 78: ...Ingeniería de Servicio 78 Cycle Overview ...

Page 79: ...Ingeniería de Servicio 79 Cycle Overview ...

Page 80: ...Ingeniería de Servicio 80 Cycle Overview ...

Page 81: ...Ingeniería de Servicio 81 Cycle Overview ...

Page 82: ...Ingeniería de Servicio 82 Cycle Overview ...

Page 83: ...Ingeniería de Servicio 83 Cycle Overview ...

Page 84: ...Ingeniería de Servicio 84 Cycle Overview ...

Page 85: ...Ingeniería de Servicio 85 Cycle Overview ...

Page 86: ...Ingeniería de Servicio 86 Cycle Overview ...

Page 87: ...Ingeniería de Servicio 87 Cycle Overview ...

Page 88: ...Ingeniería de Servicio 88 Warranty ...

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