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Washer Components

Control Panel

The control panel must be removed to access the
control system components.

To remove the control panel:

1. Remove the 2 Phillips-head screws from the

bottom of the control panel cover.

Control Board Assembly

The control board assembly

consists of the power

board and the display/logic board. Both are
attached to the control panel as one unit. Each
board is bonded to a plastic frame. The power
board has a red LED that indicates that the board
is powered and awake. (See

Circuit Board Connector

Locator View

.) The power and display/logic boards

are available separately.

To remove the control board assembly:

1. Remove the 3 Phillips-head screws from the top

of the control panel cover.

Note:

To prevent damage to the control panel and

top cover, place a protective surface over the top
cover.

2. Tilt the control panel toward the front of the

washer to disengage 5 tabs from slots located in
the top cover.

3. Lay control panel face down on the top cover

(Service position).

Tabs

WARNING:

Sharp edges may be exposed when

servicing the washer. Use caution to avoid injury.
Wear Kevlar gloves or equivalent protection.

2. Place the control panel in the service position.

(See

Control Panel

.)

3. Lift and remove the control panel cover.

4. Pull out and disengage the control cover from 4

tabs on the bottom of the control board.

5. Lift and remove the control cover from the

control board.

Service Position

(

Continued Next Page

)

Control Cover

Control Panel Cover

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Содержание Profile PTWN8050MWW

Страница 1: ...GE Appliances General Electric Company Louisville Kentucky 40225 31 9211 Technical Service Guide July 2011 GE Appliances PTWN8055MMS PTWN8050MWW GE Profile 4 5 DOE cu ft Stainless Steel Capacity Washer ...

Страница 2: ...NG 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 for service they must be returned to their original positi...

Страница 3: ... Heater 31 High Limit Thermostat 32 Introduction 5 Lid 24 Lid Lock Assembly 26 Motor Assembly 34 Noise Filter 21 Nomenclature 4 Operation Overview 11 Outer Tub and Suspension Assembly 33 Overflow Sensor 29 Pressure Sensor 20 RF Choke 21 Service Test Mode 39 Thermistor ATC Control Auto Temp 30 Top Cover 22 Troubleshooting 39 Warranty 46 Wash Basket 27 Washer Components 17 Washer Features 8 Water Di...

Страница 4: ...ne Specific Color MS Metalic Silver WW White Model Year Designator M 2011 Color 5 Color Series Bulk 5 Bulk Ready Serial Number The first two characters of the serial number identify the month and year of manufacture Example MV123456S July 2011 M JUL R AUG S SEP T OCT V NOV Z DEC A JAN B FEB F MAR G APR H MAY L JUN 2011 V 2010 T 2009 S 2008 R 2007 M 2006 L 2005 H 2004 G 2003 F 2002 D 2001 A 2000 Z ...

Страница 5: ... Direct Drive Motor The washer does not use a transmission or mechanical brake Direct drive technology results in fewer moving parts for smooth quiet operation See Motor Assembly InfusorTM Wash The washer has specific cycles that aid in mixing the detergent water solution and dispersing the load evenly in the wash water See Operation Overview Centrifugal Wash The washer uses a centrifugal washing ...

Страница 6: ...lean the load WHITES HEAVY DUTY For heavily soiled white cottons household linens work and play clothes COLORS NORMAL For colorfast cottons household linens work and play clothes SANITIZE Use to sanitize and kill more than 99 of many bacteria found in home laundry This is a cycle with an extra heavy soil setting and uses an extra heater to heat water to 140º F Do not use with delicate faberics The...

Страница 7: ... 7 ...

Страница 8: ...set the desired settings for wash cycle soil level spin speed and wash temp settings and hold down the MY CYCLE button for 3 seconds A beep will sound to indicate the cycle has been saved To use your custom cycle press the MY CYCLE button before washing a load To change the saved cycle set the desired settings and hold down the MY CYCLE button for 3 seconds NOTE When using MY CYCLE wash options ca...

Страница 9: ...ispenser completely remove the bleach from the dispenser Any residual liquid left in the dispenser at the end of the cycle is water not bleach To prevent self siphoning of the bleach into the wash basket and damage to your clothes never add more than the maximum fill level marked on the dispenser Also keep clothes away from the bleach dispenser so they don t absorb any bleach droplets left around ...

Страница 10: ...e The washer control has demo mode that can be utilized to show user interface functionality Once the user presses the START button the display shall rapidly count down at approximately 100 times faster than normal time and illuminate the different cycle indicators on the 7 segment display To enter the demo mode To exit the demo mode With the power connected and in the idle state all LCD and LED i...

Страница 11: ...sure the clothes load During this time the motor momentum is measured again The washer compares this information to the previous dry load sensing measurements and determines if additional water is required Wash Water Temperature During the fill the washer monitors and regulates wash water temperatures within 5 F 15 C of the target temperature This accuracy is achieved using a thermistor located in...

Страница 12: ... the default rinse type unless either FABRIC SOFTENER or EXTRA RINSE cycle additions are selected After several seconds of clockwise spinning the basket slows down and stops The wash water pools back into the wash basket The wash basket starts spinning in the counterclockwise direction creating the same cleaning action The washer will change direction up to 4 times before going to the next cycle C...

Страница 13: ...nued Next Page Motor Wiring Harness Top View top cover removed Rear View back cover removed Overflow sensor located behind cabinet and near the left side of the drain pump Pressure Sensor Hose Drain Pump Overflow Sensor Suspension Rod 304 Stainless Steel Wash Basket ...

Страница 14: ... Cover Component Tray control panel in service position Pressure Sensor RF Choke Control Panel Noise Filter A C Input Water Valve Assembly Control Cover Bleach Dispenser Assembly Dispenser Drawer Assembly Lid Lock Assembly ...

Страница 15: ... 15 Drain Pump Clutch ATC Thermistor Heater Motor Hall Sensor Heater Thermostat Underside of Washer ...

Страница 16: ...or Heater Relay L Drain Pump and Clutch Motor Door Lock Overflow Sensor Display Logic Connection 1 Heater Relay N Display Logic Board LCD Display Display Logic Wire Harness 2 Display Logic Wire Harness 1 Cycle Selector Red LED Red LED indicates that the power board is powered and awake Display Logic Connection 2 ...

Страница 17: ...embly 1 Remove the 3 Phillips head screws from the top of the control panel cover Note To prevent damage to the control panel and top cover place a protective surface over the top cover 2 Tilt the control panel toward the front of the washer to disengage 5 tabs from slots located in the top cover 3 Lay control panel face down on the top cover Service position Tabs WARNING Sharp edges may be expose...

Страница 18: ...water valve assembly has an approximate resistance value of 30 Ω Pink colored plastic pressure fittings are used on the water valve for a tight fit and to reduce the possibility of leaks Note Hot and cold water inlet screens are used to prevent debris from entering the valve assembly Inlet screens can be removed by grasping hold of the handle on the rear of the screen with a pair of needle nose pl...

Страница 19: ...5 Remove the 3 Phillips head screws that attach the valve to the component tray Water Distribution System The water distribution system consists of a multi function water valve dispenser inlet dispenser and bleach dispenser and jet spray outlet hoses Dispenser Bleach Dispenser Softener Jet Spray Cold Hot Dispenser Inlet To remove the water distribution system 1 Remove the water valve See Water Val...

Страница 20: ...asured at the pressure sensor between the purple and orange wires To remove the pressure sensor 1 Place the control panel in the service position See Control Panel 2 Disconnect the wire harness 3 Push outward on the 3 flexible plastic tabs and then lift the pressure sensor from the component tray 4 Lift the dispenser from the component tray 5 Remove the 2 Phillips head screws that attach the dispe...

Страница 21: ...Control Panel Noise Filter The noise filter helps to block out line noise that could adversely affect the washer control system To remove the filter 1 Place the control panel in the service position See Control Panel 2 Remove the 2 Phillips head screws that attach the filter to the component tray 3 Lift and then turn filter over 4 Disconnect the wire harness Note 15 amp line fuse is not replaceabl...

Страница 22: ...plastic wire ties that attach the top cover wiring harness to the inside corner of the washer cavity Wire Twist Tie Plastic Wire Tie 1 of 2 Hose Clamp Pressure Sensor Hose 4 Roll up the plastic cover that protects the top cover wire harness connectors Note When installing the top cover make sure to roll down the plastic cover that protects the main wire harness connectors 5 Disconnect the 7 top co...

Страница 23: ...e plate attached to the cabinet When the clips are released the washer top cover when raised can pivot on 2 hinge plates Hinge Plate 1 of 2 Bracket 1 of 2 Service Position The top cover can be placed in a service position to access the wash basket suspension rods and lid lock To place the top cover in the service position 1 Position the back of the washer 1 foot away from the wall 2 Insert a putty...

Страница 24: ... hinge pin to hold the spring and pin in the left position 6 Using the pliers grasp the hinge pin to the right of the retainer clip Then remove the screwdriver 4 Grasp the spring loaded hinge pin with a pair of needle nose pliers and then pull the pin to the left as far as possible Spring Hinge Pin 1 4 in Flat Blade Screwdriver 7 In the following step lower the top cover from the service position ...

Страница 25: ...release the needle nose pliers and the spring loaded hinge pin will snap to extended position 10 Lower the top cover to the cabinet 11 Remove the tape 12 Open and then pull lid to the left to disengage the right side hinge pin from the bushing in the top cover 13 Lift and remove lid from the top cover 2 Use a putty knife to press the left side hinge pin into the hinge assembly Hinge Pin Bushing 3 ...

Страница 26: ...ve the lid lock wire harness tie from the left hinge and from retainers on the bleach dispenser tank 8 Remove the 2 Phillips head screws that attach the lid lock to the underside of the top cover Lid Lock Assembly To remove the lid lock assembly 1 Place the control panel in the service position See Control Panel 2 Pull out and disengage the control cover from 4 tabs on the bottom of the control bo...

Страница 27: ...under the infusor cap and gently pry off Infusor Cap Infusor Slot 7 Lift the wash basket up and out Hub Nut 4 Using a socket or Phillips head screwdriver remove the 10 mm hex head screw that holds the infusor in place turn screw counterclockwise to remove Note The 10 mm screw has a serrated lock washer and a rubber O ring WARNING The inner edge of the infusor can be sharp Wear Kevlar gloves or equ...

Страница 28: ...uate water at various times during the cycle The drain pump motor has an approximate resistance value of 11 When the drain pump is activated the gray and blue wires on the power board drain pump and clutch motor white connector should measure 120 VAC See Circuit Board Connector Locator View 4 Lift up the tab on the impeller housing with a flat blade screwdriver When viewed from the impeller housin...

Страница 29: ...ing plate Remove the drain pump Caution Care must to taken when reinstalling and sealing the drain hoses to the drain pump to ensure there is no water leakage Note When installing the drain pump apply a thin coat of sealing compound Part WH60X15 to the inner surface of the drain hoses Overflow Sensor If an overloaded washer load causes a splash over it will be detected by the sensor When wet the s...

Страница 30: ...incoming water the washer control measures the difference between the voltage sent and the voltage returned from the water temperature sensor The washer control then makes temperature adjustments accordingly The washer control should maintain the water temperature in the tub within 5 F 3 C by opening or closing the hot and cold water valves The thermistor has an approximate resistance value of 56K...

Страница 31: ...d from the thermistor ATC control The heating element is located above the drain at the bottom of the outer tub The heating element is inserted into a bracket attached to the high limit thermostat and held in place by a 10 mm hex nut When the 10 mm hex nut is tightened it squeezes the rubber gasket between the 2 mounting plates to seal the heater to the opening of the tub The hex nut is set from t...

Страница 32: ...ottom of the outer tub The high limit thermostat is a safety device that monitors the temperature of the heating element The high limit thermostat is wired in series with the heating element If the high limit thermostat reaches a temperature beyond its maximum temperature rating it will trip and disable the heating function only Heating functions will be restored when the high limit thermostat coo...

Страница 33: ...Tub and Suspension Assembly The wash basket outer tub and motor are suspended by 4 rod and spring assemblies The rod and spring assemblies are attached to each corner of the washer cabinet They extend down and connect to the bottom of the outer tub Suspension Rod Suspension Rod To remove the outer tub WARNING The outer tub assembly is heavy and requires 2 people to remove it from the washer housin...

Страница 34: ... motor assembly is composed of a coil wound stator Hall sensor and permanent magnet rotor The motor varies speed and torque when the pulse width modulated voltage from the power changes frequency The motor reverses rotational direction when the power board reverses electrical polarity to the motor Suspension Rod Slot COIL STATOR PERMANENT MAGNET PERMANENT MAGNET HALL SENSOR POWER ROTOR SHAFT STATO...

Страница 35: ...oard Location BL6 3 Pull the rotor away from the drive shaft Note Removal of the wiring guard held in place by one 10 mm hex head screw will give better access to the motor connectors Rotor Nut Bottom View Rotor Wiring Guard To remove the rotor and stator WARNING The rotor is not grounded Unplug the washer before servicing to avoid electrical shock 1 To access the motor the washer must be placed o...

Страница 36: ...infusor is connected directly to the motor shaft Whenever the motor is rotating the infusor is rotating The clutch only locks or unlocks the wash basket When the washer first starts a cycle the infusor moves back and forth several times to make sure the basket and infusor are in the unlocked position before starting This action is called clutching and confirms that the clutch motor is in the unloc...

Страница 37: ...nose the clutch motor Power board location WH6 supplies 120 VAC to the clutch motor through the brown and white wires when the clutch motor changes position Note Disconnect power and unplug the clutch motor connector at the power board The clutch motor has an approximate resistance value of 1 95 to 2 25K This can be measured between the white and brown wires on the power board location WH6 See Cir...

Страница 38: ...Assembly To remove the bearing housing assembly 1 Remove the motor assembly and clutch shifter assembly See Motor Assembly and Clutch Shifter Assembly 2 Remove the screw that holds the ground wire to the bearing housing Remove the twenty one 10 mm hex head screws that attach the bearing housing assembly and safety shield 3 Remove the bearing housing assembly Ground Wire Shield Note When installing...

Страница 39: ...tor knob Press the POWER button from either the menu screen or while a test is running in the service test mode Disconnect power from the washer Note If no key is pressed for 15 minutes the control will automatically exit the service test mode and enter the idle state Service Test Mode Test Mode Test Description t1 Software Version Press start button once to display power board software version Pr...

Страница 40: ...ll be energized for 1 minute After 1 minute pump will turn off Water frequency will be displayed t7 Tidal Wave Wash Check Press start to initiate test Tub will spin CCW at 230 RPM for 3 minutes RPM value will be displayed t8 Agitate 1 Check Centrifusion Wash Press start to initiate test Tub will slowly spin CW then stop then spin for 3 minutes With an empty tub 720 902 should be displayed This is ...

Страница 41: ...E4 Inlet valve failure E5 Pump failure E6 Clutch error E7 Pressure sensor failure E8 Lid switch failure lid opened during run state RPM 40RPM E9 EEprom error E10 Motor not rotating properly E11 No E11 error code E12 Clutch coupling error E13 IPM Integrated Power Module Thermistor Monitors current flow to the motor stator E14 Door lock Unlock error ...

Страница 42: ...s blue and properly be kinked orange screen must be free of solids on the unit are not clogged Turn off water and check filter by disconnecting hose at machine Check that fill hoses are not kinked or clogged Energy efficiency This is an energy efficient washer As a result the temperature settings for this washer may be different than non energy efficient washers Insufficient water supply Make sure...

Страница 43: ... filllineonthebintoavoidclogging High efficiency detergentisrecommendedforthiswasher Insufficientwatersupply Makesurethatthewatersupplyisturnedon Makesurethat thewaterfaucetsareturnedtotheircompletelyopenpositions Normalresidue Normaloperation Residuemayremaininthebinsof thedispenserbox Thedispenserboxmayberemoved foroccasionalcleaningwithwarmwaterandascrub brush Theliquiddetergentinsertboxandsiph...

Страница 44: ... The pump is operating to remove water from the basket draining Pinging noise during the The washer has special rinse features to remove detergent residue from the load after the spin or rinse cycle main wash cycle Water sloshing sound A liquid in the balance ring around the wash basket helps the basket spin smoothly when washer is turned off and tub is rotated Normal Operating Sounds Problem Poss...

Страница 45: ... 45 Wiring Diagram ...

Страница 46: ...in the United States Warrantor General Electric Company Louisville KY 40225 Staple your receipt here Proof of the original purchase date is needed to obtain service under the warranty One Year Any part of the washer which fails due to a defect in materials or workmanship During this From the date of the limited one year warranty GE will also provide free of charge all labor and related service ori...

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