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GE WDSS4120, Technical Service Manual, Page: 12 / 46

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GE WDSS4120 Technical Service Manual Download Page 12

Component Testing Information

 

 

!

WARNING

 

To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless 
testing requires it. 
 

 

Illustration Component 

Test 

Procedure 

Results 

 

 

Motor 
 
 
 
 

Type of motor: 
 Two 

speed 

See following section “Internal Motor 
Diagram and Schematic” for correct 
wiring contacts.

 

 

 

Drain pump 

Verify drain pump is not clogged or 
damaged. 

Remove clog and verify proper operation. 
 
Replace drain pump if damaged. 

 

 

Transmission 
assembly 

Type of transmission: 
   640 rpm 

If transmission locks-up, replace. 

 

 

Drive belt 

Type of drive belt: 
   640 rpm 
 
Refer to “Parts Manual” for proper 
pulley size. 

Refer to “Parts Manual”, to verify which 
drive belt and pulley size is required. 

 
 

 

 

Power Cord 

Measure resistance of wires. 

Continuity should be indicated on each 
wire. 
 
Verify polarity and grounding. 

 

 9 

Summary of Contents for WDSS4120

Page 1: ...C PUB 31 9081 07 01 TECHNICAL SERVICE GUIDE GE Consumer Home Services Training Top Load Washer WDSS4120 ...

Page 2: ... do not use any phone in the building Immediately call the gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach the gas supplier call the fire department 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 necess...

Page 3: ...perature and Speed Switch 21 Pressure Switch 22 Graphic Panel 22 Loading Door 22 Agitator Drive Bell and SealAssembly 23 Installing Drive Bell 24 Service Access Panel Front Panel 25 Motor and Mounting Bracket 25 Pump and Belt Removal 26 Motor Disassembly 27 Idler lever and Pulley 27 Motor Drive Belt 27 CabinetTop 28 Door Switch 28 Water mixing Valve 28 Tub Cover and Gasket 29 Washtub and Balance R...

Page 4: ...he risk of an electric shock or fire do not use an extension cord or an adapter to connect the washer to the electrical power source Use your washer only for its intended purpose washing clothes Always disconnect the washer from electrical supply before attempting any service Disconnect the power cord by grasping the plug not the cord Install the washer according to the Installation Instructions A...

Page 5: ...stheroundholeconnectioniscon nectedtoearthgroundthroughaconnectiontothemain powerpanel Ungrounded Theroundholeconnectionisnotcomplete to earth ground and or the main power panel Grounding Instructions WARNING To avoid the risk of electrical shock or death do not alter the plug Do not remove grounding prong when installing grounded appliance in a home that does not have three wire grounding recepta...

Page 6: ...l For best softener performance set water level to medium or higher 3 Clean softener dispenser after each use Remove dispenser housing from agitator by squeezing lower part of dispenser and pulling up on housing while tilting slightly to expose dispenser cup Rinse dispenser housing and cup in hot soapy water Clean funnel shape in top of agitator and inside of agitator Use small brush on hole and s...

Page 7: ...tes to drain water Some antifreeze will also be lost If you have a septic system contact antifreeze manufacturer and make sure it will not harm system 5 Push in cycle selector knob to stop washer Dry inner wash tub disconnect electrical plug and close washer lid If moving washer disconnect drain hose Move and store washer ONLY in upright position To remove antifreeze after storage run washer throu...

Page 8: ...5 Speciality Tools ...

Page 9: ...t of the washtub The combination of water washtub and load weight cause the drive belt tension on the idler side of the belt to overtake the idler spring pressure allowing the belt to slack on the opposite side This reduces the belt to pulley contact and allows slipping between the belt and pulley As water is removed by the direct drive pump and the momentum of the washtub increases the idler spri...

Page 10: ...m water mix 60 cold 40 hot Water level Variable Lowest 6 75 1 Highest 14 25 75 Water usage Small setting per fill 12 gallons Medium 17 gallons Large 20 gallons Ex large 24 gallons Total water usage small 21 25 gallons Ex large 47 50 gallons Features Self cleaning lint filter 210 Agitation stroke Fabric softener dispenser Extra rinse Motor speed 2 speed Spin speed revolutions per minute 640 427 RPM...

Page 11: ... is present Verify wiring is correctly connected to the timer See timing sequence chart for functional description of the component 1 2 3 Pressure switch Do not disconnect the pressure hose from pressure switch to perform measurements Measure resistance across the following terminals on the pressure switch Terminal 1 to 2 Terminal 1 to 3 Refer to wiring diagram schematic for correct contacts Air p...

Page 12: ... correct wiring contacts Drain pump Verify drain pump is not clogged or damaged Remove clog and verify proper operation Replace drain pump if damaged Transmission assembly Type of transmission 640 rpm If transmission locks up replace Drive belt Type of drive belt 640 rpm Refer to Parts Manual for proper pulley size Refer to Parts Manual to verify which drive belt and pulley size is required Power ...

Page 13: ...tch terminal P and Violet wire Manually depress actuator Continuity exists between switch terminal P and Violet wire Inoperative low speed switch Replace switch Motor switch checks OK NO YES YES YES YES YES YES NO NO NO NO NO Start Terminals High Speed Terminals Low Speed Terminals One or Two Speed Motors 4 5 ohms between Brown wire and Red wire 1 2 ohms between Blue wire and Yellow wire 1 2 ohms ...

Page 14: ... or death disconnect power to washer before servicing unless testing requires it R P Y BU BR W Wire harness connection block 11 White Brown Blue Yellow Violet Red G Y BU BR W R P RUN START Red wn White Violet Blue Yellow Bro 4P M 6P M Aux Overload protector Yellow Motor Assembly two speed motor ...

Page 15: ...k personal injury or death disconnect power to washer before servicing unless testing requires it Wiring Diagram WARNING To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires it 12 12 ...

Page 16: ...Schematic WARNING To avoid risk of electrical shock personal injury or death disconnect power to washer before servicing unless testing requires it 13 ...

Page 17: ...0 29 Spin S 0 02 31 REGULAR 0 23 04 Wash Fill Agitate hot warm cold F 0 14 04 Pause 0 00 29 Spin F 0 02 38 Pause for Extra Rinse 0 00 32 Spin Spray cold F 0 00 27 Rinse Fill Agitate cold S 0 02 28 Spin F 0 02 26 Pause 0 00 29 Pause 0 00 29 Spin S 0 02 44 Rinse Fill Agitate warm cold F 0 02 31 0 06 13 Pause 0 00 29 Spin F 0 05 31 OFF 0 03 43 0 29 04 Quick Wash Wash Fill Agitate hot warm cold F 0 05...

Page 18: ...led electronic control Test electronic control and replace if failed Broken loose shorted or incorrect wiring Refer to appropriate wiring diagram 2 No cold water Possible Cause Result Cold water supply faucet is closed Open faucet Kinked hot water inlet hose Straighten or replace hose Clogged mixing valve screens or screens in inlet hose closes to supply faucet Disconnect inlet hose and clean or r...

Page 19: ...g door Loading door MUST be closed anytime the washer is set to agitate or spin Washer will not fill Timer pauses until pressure switch is satisfied Verify washer is not siphoning during rinse cycle Provide an air gap between drain hose and drain standpipe Failed timer Test timer and replace if failed Broken loose shorted or incorrect wiring Refer to appropriate wiring diagram 6 Motor does not ope...

Page 20: ...tage 8 No agitation Possible Cause Result Failed timer Timer is designed to pause SOAK during DELICATE cycle Test timer and replace if failed Failed pressure switch Test switch and replace if failed Loose or broken drive belt Adjust or replace drive belt Failed transmission assembly Replace failed transmission assembly Sheared motor pulley roll pin Remove drive motor and replace roll pin and any o...

Page 21: ...n loose shorted or incorrect wiring Refer to appropriate wiring diagram 11 Constant spin Possible Cause Result Washtub does not stop spinning within seven seconds after loading door is open Replace brake pads Tighten Helix Bolt if loose Excessive wear on brake pads or missing brake pads Replace brake pads Failed timer Test timer and replace if failed Failed electronic control Test electronic contr...

Page 22: ... Unbalance load in the tub Stop washer redistribute load and restart the washer Broken or disconnected centering springs Connect or replace centering springs Washer is installed on weak spongy carpeted or built up floor Relocate washer or support floor to eliminate weak or spongy condition Loose or damaged leveling legs Tighten or replace leveling legs Damage base wash was dropped Replace base ass...

Page 23: ...anels Remove screws securing end panels to control mounting plate Timer 1 Loosen control hood assembly see Control Hood Assembly procedure steps 1 and 2 2 Remove timer knob from timer shaft by pulling black plastic tab located on the back of timer outward to release knob then remove timer knob skirt NOTE Slide a soft cloth under the knob skirt wrapping the entire skirt and pull gently away from th...

Page 24: ...hood assembly see Control Hood Assembly procedure steps 1 and 2 2 Slide a soft cloth under the knob wrapping the entire knob and pull gently away from the control panel 3 Disconnect wires from switch terminals 4 From the front press inward on black plastic tabs next to the switch shaft and rotate switch to release switch from control hood mounting plate 5 Reverse procedure to reassemble NOTE See a...

Page 25: ...mponents and carefully remove components from control hood assembly see component removal procedure listed earlier 4 Remove screws securing top cover to control mounting plate and remove top cover 5 Remove screws securing end panels each side and remove end panels 6 Remove grounding clip secured to metal tab on graphic panel 7 Bend tabs on graphic panel located inside of control hood straight out ...

Page 26: ...hand will force agitator down onto drive bell allowing fingers on underside of agitator to lock under bottom edge of drive bell NOTE Do not push agitator onto drive bell any further than necessary Agitator Drive Bell and Seal Assembly NOTE If water is present in washtub remove water before attempting to remove drive bell 1 Remove agitator see Agitator procedure 2 Remove plug and 7 16 bolt from top...

Page 27: ...eal flange Installing Drive Bell 1 Position new drive bell over transmission output shaft Rotate drive bell until splines in drive bell line up with splines on transmission output shaft 2 Screw 7 16 bolt into transmission output shaft until it bottoms out 3 Using a wrench or socket tighten bolt CLOCKWISE to force drive bell down onto transmission shaft until drive bell bottoms out on shaft Tighten...

Page 28: ...e of the cabinet top 1 Remove screws securing bottom of front panel 2 Lift the bottom of front panel outward to release the spring clips and set panel aside 3 Reverse procedure to reassemble Panel Locators Remove screws securing panel locators to side flanges of front panel Brace Remove brace from front panel by swinging one end towards bottom of front panel and remove brace Motor and Mounting Bra...

Page 29: ...ubricant to the end and sides of motor shaft NOTE This lubricant helps keep moisture out of the hub area and prevents corrosion 3 Align belt on motor pulley and tension pulley as illustrated Pump mounting screws Pump assembly Pump legs Motor embosses Rear pump leg Motor shaft Motor emboss Motor assembly Clean shaft and apply a thin film of lubricant No 03637P Must be located between belt when inst...

Page 30: ...re evenly torqued Idler Lever and Pulley 1 Remove motor see Motor and Mounting Bracket procedure Idler spring Motor assembly Clean shaft and apply a thin film of lubricant No 03637P Motor shaft NOTE Lay motor on its side Observe belt configuration around rear pump leg Belt MUST encircle rear pump leg when reassembling 2 Remove nut washer and bolt securing idler lever and pulley to motor mounting b...

Page 31: ...oor Switch 1 Remove front panel see Front Panel procedure 2 Remove screws securing cabinet top 3 Tape loading door closed and lift cabinet top to a vertical position by hinging it on the rear hinges NOTE Cabinet top is self supporting a small chain may be used for additional support 4 Disconnect wires from door switch 5 Remove screw securing door switch assembly to underside of cabinet top NOTE Se...

Page 32: ...ess 5 Loosen and remove hose clamp and fill hose from outer tub cover 6 Remove tub cover see Tub Cover and Gasket procedure steps 1 through 2 7 Remove bolts and washers securing washtub to hub 8 Lift washtub and balance ring out of outer tub NOTE When removing washtub and balance ring DO NOTlift up on balance ring damage may occur Grasp top flange of washtub and remove from outer tub 9 Reverse pro...

Page 33: ...condition will persist until lubricant is removed 4 Remove bolts securing brake pads and brake assembly to milk stool assembly Remove brake assembly and pads off bottom of milk stool assembly NOTE When reinstalling brake assembly replace all three brake pads DO NOT replace worn pads only Apply a small amount of silicone lubricant WH60X10006 to both sides of each brake pad where it will contact bra...

Page 34: ... dome base or friction ring will offset washer operation This condition will persist until lubricant is removed 5 After brake is installed put washer through the following check to verify brake is operating properly a Turn off electrical power to washer b Turn drive pulley one complete revolution in agitation direction then push drive pulley up against brake c Check for a 030 76 mm minimum gap bet...

Page 35: ...ll be contacting upper and lower bearings Carefully lower transmission through upper bearing DO NOT DROP OR LOWER TRANSMISSIONASSEMBLY INTO POSITIONTOO HARD This can cause bearing to move which will cause vibration noise wear or no spin Upper Bearing Assembly 1 Remove transmission assembly see Disassembly of Transmission Assembly procedure 2 Remove screws securing each support leg to outer tub 3 L...

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Page 39: ...36 FABRIC SOFTENER ASSEMBLY FLEX VANE AGITATOR LINT FILTER DRIVE BELL HEX NUT HUB AND SEAL KIT SPLINE INSERT DRIVE BELL SEAL BALANCE RING Filled with 6lbs calcium chloride WASH TUB 301 Stainless Steel ...

Page 40: ...37 ...

Page 41: ...38 ...

Page 42: ...of silicone grease WH60X10006 to the top and bottom surfaces of each brake pad 2 When lubricating brake pads make sure to keep area around screw holes free of grease This ensures that the underside of screws makes direct contact with brake pad surface WARNING Disconnect power to washer before servicing Never start washer with guards and or panels removed Always reconnect ground wires after servici...

Page 43: ...tub flange IMPORTANT All foreign material must be removed from inner surface of outer tub flange before installing Hub and Seal Kit 8 Apply a small amount of sealant WH60X15 around outer surface of tub flange and to the seal Figure 2 See Figure 3 sealant arrow step 8 Outer tub flange Sealant Step 8 Figure 2 9 Apply a light film of nonstaining petroleum jelly such as Vaseline to bronze portion of w...

Page 44: ...sembly are aligned with holes in lint filter or gasket 19 Secure washtub to hub assembly using cap screws supplied in kit 20 Install Outer Tub Cover Gasket supplied in kit Refer to pub 31 9081 for installation instructions 21 Reassemble outer tub cover onto washtub 22 Install seal drive bell and agitator Following instructions supplied in WH43X10024 Drive Bell and Seal Kit 23 Reinstall cabinet top...

Page 45: ...t bladed screwdriver between the bottom edge of the seal and hub b Using washtub bolts as a pry area pop off lower seal bead c Grasping bottom of seal and pulling straight up freeing upper seal bead 5 Clean all foreign material from seal mounting area of hub assembly bronze bearing and washer Hub assembly Transmission output shaft Hub shoulder Bronze bearing Drive bell Drive Bell and Seal Assembly...

Page 46: ...otion until it bottoms out and the top of seal is fully seated Installing Drive Bell 1 Position the new drive bell over the transmission output shaft Rotate drive bell until splines in drive bell line up with splines on transmission output shaft 2 Thread shoulder screw down through hole in top of drive bell and into transmission shaft NOTE Use of O ring is no longer required NOTE Tighten new shoul...

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