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GE EWA4600G0, Technical Service Manual, Page: 1 / 38

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GE Appliances
General Electric Company
Louisville, Kentucky 40225

31-9146

GE Washers With

Electromechanical Controls

and Mode Shifter Assembly

Technical Service Guide

November 2006

GE Consumer & Industrial

LOAD SIZE

TEMPERATURE

OPTIONS

COTTONS

HOO-BOY

WARM

HOT

DELICATES

BURLAP

COLD

TEPID

LARGE

REGULAR

EXTRA

LARGE

EASY CARE

PREWASH

DELICATES

EWA4600G0 

GJRR4170H0

GJSR4160H0

WCSR4170G0

WHDRR418G0

WJRR4170G0 

WJSR4160G0

WLRR4500G0

Summary of Contents for EWA4600G0

Page 1: ...ols and Mode Shifter Assembly Technical Service Guide November 2006 GE Consumer Industrial LOAD SIZE TEMPERATURE OPTIONS COTTONS HOO BOY WARM HOT DELICATES BURLAP COLD TEPID LARGE REGULAR EXTRA LARGE EASY CARE PREWASH DELICATES EWA4600G0 GJRR4170H0 GJSR4160H0 WCSR4170G0 WHDRR418G0 WJRR4170G0 WJSR4160G0 WLRR4500G0 ...

Page 2: ... 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 position an...

Page 3: ...19 Harness Fuse 23 Inverter Motor 22 Inverter Motor Error Codes 33 Inverter Motor Test 35 Leveling Legs 13 Lid Switch 18 Mode Shifter Coil Test 35 Motor and Drive System 5 Nomenclature 4 Schematic 37 Shaft and Mode Shifter Assembly 26 Shaft and Mode Shifter Overview 6 Shipping Rod 13 Suspension 23 Temperature Selector and Options Switches 16 Tub Assembly 24 Tub Cover 24 Warranty 38 Washer Componen...

Page 4: ... the year repeats every 12 years Example T 1974 T 1986 T 1998 Serial Number The first two characters of the serial number identify the month and year of manufacture Example AL123456S January 2006 A JAN 2006 L D FEB 2005 H F MAR 2004 G G APR 2003 F H MAY 2002 D L JUN 2001 A M JUL 2000 Z R AUG 1999 V S SEP 1998 T T OCT 1997 S V NOV 1996 R Z DEC 1995 M Nomenclature ...

Page 5: ...n is for information only The motor is bidirectional constantly reversing it s direction to provide agitation The motor is connected by a belt to the shaft and mode shifter assembly By energizing or de energizing a coil the mode shifter assembly engages or disengages the shaft and tube This allows for agitation and spin cycle modes Motor status is displayed through a series of flash codes from a gr...

Page 6: ... drive pulley is attached to one end of the agitator shaft and the agitator is attached to the other The tube is fixed to the washer basket at all times The mode shifter changes the shaft and tube from spin to agitation In agitation mode the tube is fixed to the platform and the agitator shaft rotates freely In spin mode the agitator shaft is fixed to the tube and both rotate together Basket Motor Ag...

Page 7: ...Mode Shifter Cam Mode Shifter Coil Drive Pulley Mode Shifter Cam Continued next page Drive Shaft Note Mode shifter coil energized for agitate mode cam teeth disengaged from drive pulley Shaft and Mode Shifter Assembly Note Mode shifter coil de energized for spin idle mode cam teeth engaged in drive pulley ...

Page 8: ...is approximately 30 strokes per minute This rate is the same for all cycles The speed of the motor controls the arc At fast speed the arc is approximately 360 degrees At slower speeds the arc is substantially less It is the distance of the arc that determines normal or gentle wash cycles Mode Shifter Operation Spin At the beginning of the spin cycle the inverter runs a short sequence approximately...

Page 9: ... RUNS 30 SEC AGITATION CYCLE CONTINUES MODE SHIFTER AGITATE PROGRAM RUNS 18 SEC MODE SHIFTER SPIN PROGRAM RUNS 30 SEC SPIN CYCLE BEGINS CYCLE COMPLETED POWER IS RESTORED POWER IS LOST SPIN BASKET STOPS 7 SEC LID SWITCH OPENS SPIN BASKET STOPS 7 SEC USER PRESSES SPIN BASKET COASTS TO A STOP MODE SHIFTER SPIN PROGRAM RUNS 30 SEC LID SWITCH CLOSED SPIN CYCLE CONTINUES START END Control Logic Flowchar...

Page 10: ...r than the top row of holes in the washer basket The water level should just cover the clothes Adjust the load size accordingly Temperature on some models Select the water temperature for the wash and rinse cycles Always follow fabric manufacturer s care label or instructions when laundering Options on some models 2nd Rinse Option When you use extra detergent or bleach to clean heavily soiled clot...

Page 11: ...ons household linens work and play clothes or WHITES EASY CARE For wrinkle free and permanent press items and knits DELICATES For lingerie and special care fabrics with light to normal soil SPIN For draining the tub and spinning water out of the clothes RINSE SPIN For quickly rinsing chlorine perspiration stains etc out of clothes 15 MIN 30 MIN For very soiled clothes Begins with agitation soaks f...

Page 12: ...or Drain Pump Suspension Rod Pressure Hose Drive Pulley Belt Platform Motor Pulley Inverter Water Valve AC Line Filter Water Level Switch Front View Control Panel in service position Temperature Selection Switch Timer Options Switch ...

Page 13: ... to right To level the washer tilt the washer forward to lift the rear legs off the floor then gently set it back down Adjust the front leveling legs to level the washer front to back and left to right across the front Rod Inlet Hole Chassis Rod Bracket Chassis Rod Bracket Agitator The agitator is a dual action ratcheting type which sets on an air bell coupling Remove the agitator by grasping the b...

Page 14: ...a protective pad on the cover lid assembly To place the control panel in the service position Disconnect power Remove the three in hex head screws from the rear of the control panel 1 2 Continued next page Control Timer The control timer is mounted on the inside of the control panel It is held in place with a single in hex head screw and 2 tab locks To remove the control timer Disconnect power Usi...

Page 15: ...lock Water Level Switch The minimum fill volume is 9 gallons The water level measures approximately 7 inches 6 holes above the bottom of the basket The maximum fill volume is 22 gallons The water level measures approximately 15 inches above the bottom of the basket between holes 2 and 3 from the top To remove the water level switch Disconnect power Remove the water level switch knob by gently pullin...

Page 16: ...ECTRICAL TERMINAL RELEASE LOCKING TAB Disconnect the 3 wires and the pressure hose attached to the water level switch 4 Disconnect Plastic Locking Tab Plastic Locking Tab Temperature Selector and Options Switches To remove the temperature selector and options switches Disconnect power Remove the knob by gently pulling it outward Place the control panel in the service position See Control Panel Mar...

Page 17: ...el Note When untaping and disconnecting the wires from the AC line filter note wire locations AC Line Filter HOT SOLENOID SLOW COLD SOLENOID FAST COLD SOLENOID Remove the fill hoses from the water valve Note The fill funnel hose is difficult to remove Remove the fill funnel hose Squeeze the clamp and slide it back Carefully break the hose loose by inserting a small flat blade screwdriver under the hose ...

Page 18: ... switch closes while still in agitation the washer will resume agitation Opens during the execution of the mode shifter agitate program the control will stop the agitate program and drop the mode shifter voltage to 0 VDC When the lid switch is closed again the control will run the mode shifter spin program and then re run the agitate program from the beginning Opens during the mode shifter spin pr...

Page 19: ...ase clips 1 2 Rotate the front panel forward and lift off the bottom tabs 3 Cover Lid Assembly The cover lid assembly is fastened at the front by 2 screws on the sides by 2 metal catches and at the back by 3 locking tabs that protrude from the bottom of the control panel Note Do not allow lid to swing open when cover lid assembly is removed Damage may result To remove the cover lid assembly Remove...

Page 20: ...lace the drive belt using the tool kit Note If not using the belt install tool follow steps 1 through 3 and 6 through 7 Remove wire tie after step 7 Disconnect power Remove the front panel See Front Panel Center belt on drive pulley and secure tightly with wire tie as shown on following page Align wire tie as shown Stretch the belt install tool to fit over the end of the motor shaft See Figure A Sl...

Page 21: ...t will be slightly smaller than the drive pulley A belt that has been installed on the drive pulley will stretch to the diameter of the pulley over time This is normal and does not indicate a bad belt New Belt on Pulley ...

Page 22: ... drain If during an agitation cycle water leaks from the tub and resets the pressure switch the inverter control stops agitation and goes through the mode shifter spin program to de energize the cam and the washer starts to refill with water The motor will not run again until the pressure switch is satisfied at which time the inverter control will run the mode shifter agitate program If the mode shi...

Page 23: ...due on the belt or pulleys Suspension The tub and motor assembly spin basket outer tub inverter motor shaft and mode shifter assembly and platform is suspended by four rod and spring assemblies The rod and spring assemblies are attached to each corner of the cabinet They extend down and connect to the platform This arrangement provides limited movement to the tub and motor assembly independent of ...

Page 24: ...ver Tub Assembly Note The motor can be replaced without removing the tub See Inverter Motor The tub assembly must be removed when replacing the spin basket outer tub or certain speed drive components To remove the tub assembly Disconnect power Lower the drain hose into a small bucket to remove any water remaining in the tub Remove the front panel See Front Panel Remove the cover lid assembly See C...

Page 25: ...nd should tighten the nut sufficiently Continued next page Remove the water pressure switch hose from the outer tub Pinch off the black sump hose to prevent water spills Loosen the 5 16 in screw type hose clamp and remove the sump hose at the tub 12 13 14 Disconnect Platform Ground Wire WARNING Exposed terminals inverter board and rotating parts may cause injury and or electrical shock To reduce th...

Page 26: ...semblies by raising the tub and removing the spring assemblies from the platform 15 Remove the tub assembly from the cabinet and place it on a protected surface 18 Shaft and Mode Shifter Assembly The shaft and mode shifter assembly consists of the shaft and tube mode shifter cam and mode shifter coil These parts come only as an assembly WARNING Do not attempt to disassemble the shaft and mode shif...

Page 27: ...b that attaches the mode shifter coil wire harness retainer to the front of the platform 4 5 Center Core of Pulley Note When replacing pulley tighten pulley nut to 275 in lbs of torque Note In the following step after removing the pulley nut it may be helpful to grab the center core of the drive pulley with one hand and gently tap one of the drive pulley arms with a hammer The drive pulley will po...

Page 28: ...ts from the bottom of the platform 8 Remove the four in hex head bolts that attach the platform to the tub 9 Place the platform upright on a protected surface and remove the tub bearing washer from the tube 11 Lift the platform from the tub 10 Tub Bearing Washer ...

Page 29: ...ter assembly from the platform 13 Shaft and Mode Shifter Assembly Remove the inverted single 3 8 in hex head bolt from the top of the platform Note Torque the four 3 8 in hex head bolts to 90 in lbs when reinstalling 12 Inverted Bolt ...

Page 30: ... 30 Diagnostics and Service Information Timer Chart Continued next page ...

Page 31: ... 31 N L1 Motor Circuit High Speed Agitate N L1 Motor Circuit High Speed Spin Continued next page ...

Page 32: ... 32 N L1 Motor Circuit Low Speed Agitate N L1 Motor Circuit Low Speed Spin ...

Page 33: ...second off When motor is operating normally and idle the LED blinks at a constant rate of 1 second on and 1 second off Motor Control error condition LED is on for 25 seconds and off for 25 seconds for a specified number of times during a 6 second period The 6 second cycle repeats continuously Inverter Motor Signal LED Inverter Motor Error Codes LED On Continued next page ...

Page 34: ...ond period When a lid error is detected by the lid switch counter 4 agitate spin pairs with no change in state of lid switch the LED blinks 7 times at a rate of second on and second off for the remainder of a 6 second period When an over temperature condition is detected in motor the LED blinks 8 times at a rate of second on and second off for the remainder of a 6 second period The motor continues...

Page 35: ...VAC with lid switch closed C7 Pin 1 to Pin 2 135 VDC C7 Pin 1 to Pin 2 30 VDC Low Speed Agitate C2 Pin 3 to C4 Pin 2 120 VAC C2 Pin 3 to C4 Pin 4 120 VAC High Speed Agitate C2 Pin 3 to C4 Pin 3 120 VAC C2 Pin 3 to C4 Pin 4 120 VAC Low Speed Spin C2 Pin 3 to C4 Pin 2 120 VAC C2 Pin 3 to C4 Pin 5 120 VAC High Speed Spin C2 Pin 3 to C4 Pin 3 120 VAC C2 Pin 3 to C4 Pin 5 120 VAC 135 VDC is present for...

Page 36: ...for wear If tub coasts to stop brake resistor has failed and inverter motor assembly must be replaced If the tub takes longer than 25 seconds to stop the inverter will initiate a brake resistor error code See Inverter Motor Error Codes Brake Test The brake resistor is permanently molded into the underside of the inverter cover ...

Page 37: ...ARNING Disconnect electrical power before servicing Caution Label all wires prior to disconnection Wiring errors can cause improper and dangerous operation Verify operation after servicing Schematic C2 C4 C7 ...

Page 38: ... 38 Warranty ı ı ı ı ı ...

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