TROUBLESHOOTING GUIDE (continued)TROUBLESHOOTING GUIDE (continued)

TROUBLESHOOTING GUIDE (continued)

6-4 6-4

Some tests will require accessing components. See Figures 7 & 8 for component locations.

For detailed troubleshooting procedures, refer to “Troubleshooting Tests” . For detailed troubleshooting procedures, refer to “Troubleshooting Tests” .

PROBLEM

PROBLEM POSSIBLE CAUSEPOSSIBLE CAUSE Is lid lock showing open during the cycle?

Is lid lock showing open during the cycle?

Drive belt.

Obstructions to drain pump.

Harness connections.

Clothes wet after cycle is complete.

Load not rinsed.

Wrong option or cycle

Wrong option or cycle selection.selection.

Customer codes: Wash LED on, Spin LED Customer codes: Wash LED on, Spin LED on, Lid Lock LED flashing.

on, Lid Lock LED flashing.

Service Diagnostic Mode Fault Codes.

ERROR CODE INDICATED Please reference Use & Care Guide Please reference Use & Care Guide

CHECKS & TESTS CHECKS & TESTS See TEST #8: Lid Lock.

See TEST #8: Lid Lock.

Verify that drive belt is not damaged.

Check harness connections between main Check harness connections between main control and drive system.

control and drive system.

See TEST #3a: Drive

See TEST #3a: Drive System–Shifter.System–Shifter.

See TEST #3b: Drive

See TEST #3b: Drive System–Motor.System–Motor.

Seee e TTEESST T ##11: : MMaaiin n CCoonnttrrooll..

Check for proper drain hose installation.

Make sure it is not inserted more

Make sure it is not inserted more than 4.5"than 4.5"

(113mm).

Check drain hose for

Check drain hose for obstructions.obstructions.

Check tub sump under impeller plate &

basket for obstructions.

Check harness connections between main Check harness connections between main control and drain pump.

control and drain pump.

Seee e TTEESST T ##77: : DDrraaiin n PPuummpp.. S

Seee e TTEESST T ##11: : MMaaiin n CCoonnttrrooll..

Make sure inlet hoses are connected Make sure inlet hoses are connected properly.

properly.

See TEST

See TEST #5: Temperature Thermistor#5: Temperature Thermistor.. S

Seee e TTEESST T ##11: : MMaaiin n CCoonnttrrooll.. 1. Verify use of HE detergent.

1. Verify use of HE detergent.

2. Excessive detergent usage.

1. Washer not loaded

1. Washer not loaded properlyproperly.. 2

2. . PPeerrffoorrm m wwaasshheer r ccaalliibbrraattiioonn.. 1. Perform washer calibration.

1. Perform washer calibration.

2. See TEST

2. See TEST #2: Valves.#2: Valves.

3. See TEST #6: Water Level.

1. Overloaded washer.

2. Oversuds (see above).

3. Items caught in in tub 3. Items caught in in tub sump.sump.

Seee e TTEESST T ##77: : DDrraaiin n PPuummpp.. 1. Check proper water 1. Check proper water supplysupply.. 2. Not using HE detergent.

2. Not using HE detergent.

3. Washer not loaded

3. Washer not loaded properlyproperly.. 4. See TEST

4. See TEST #2: Valves.#2: Valves.

1. Washer not loaded

1. Washer not loaded properlyproperly.. 2. Not using HE detergent.

2. Not using HE detergent.

3. Not using correct cycle.

4. Not using dispensers.

1. Washer overloaded.

2. Bleach

2. Bleach added incorrectly.added incorrectly.

3. Sharp items in tub.

Refer customer to “Use & Care Guide”

See Customer Viewable Fault Codes See Customer Viewable Fault Codes on page 5.

Pressure transducer on main control.

OVERFILLS

FOR SERVICE TECHNICIANS ONLY

6-5 6-5

TROUBLESHOOTING GUIDE (continued) TROUBLESHOOTING GUIDE (continued)

FOR SERVICE TECHNICIANS ONLY FOR SERVICE TECHNICIANS ONLY

TROUBLESHOOTING TESTS TROUBLESHOOTING TESTS TEST #1: Main Control

TEST #1: Main Control This

This test test checks checks for for incoming incoming and and outgoingoutgoing power to and from main control. This test power to and from main control. This test assumes that proper voltage is present at assumes that proper voltage is present at the outlet.

the outlet.

1. Unplug washer or disconnect power.

2. Remove console to access main control.

3. Check the AC power cord for continuity.

4. Verify that ALL connectors are inserted 4. Verify that ALL connectors are inserted all the way into the main control.

all the way into the main control.

5. Plug in

5. Plug in washer or reconnect washer or reconnect powerpower.. 6. Is the “Diagnostic LED” ON or OFF?

6. Is the “Diagnostic LED” ON or OFF?

 ON: (+5VDC present) continue to step 8.

 OFF: (+5VDC missing) proceed to step 7.

7. With a voltmeter set to DC, connect black 7. With a voltmeter set to DC, connect black probe to J9-3 (Circuit Gnd) and red probe probe to J9-3 (Circuit Gnd) and red probe to J9-1 (+5VDC).

to J9-1 (+5VDC).

 If +5VDC is present, go to step 8.

 If +5VDC is not present, go to step 9.

8. With a voltmeter set to DC, connect black 8. With a voltmeter set to DC, connect black probe to J9-3 (Circuit Gnd) and red probe probe to J9-3 (Circuit Gnd) and red probe to J9-8 (+13VDC).

to J9-8 (+13VDC).

 If +13VDC (and +5VDC) are present, and

 If +13VDC (and +5VDC) are present, and UI is

UI is unresponsiveunresponsive, go to , go to TTest #est #4: Console4: Console and Indicators, page

and Indicators, page 16.16.

 If

 If +1+13VDC is not present, 3VDC is not present, go to step go to step 9.9.

9. Check if shifter assembly is affecting the 9. Check if shifter assembly is affecting the

main control DC supplies.

a. Unplug washer or

a. Unplug washer or disconnect powerdisconnect power.. b. Remove connector J2 from main control.

b. Remove connector J2 from main control.

c. Plug in

c. Plug in washer or reconnect washer or reconnect powerpower..

d. Recheck the DC voltages per steps 7 & 8.

 If the DC voltages return, replace shifter

 If the DC voltages return, replace shifter assy.

assy.

 If one or more DC voltages are still missing,

 If one or more DC voltages are still missing, go to step 10.

go to step 10.

10. Check if console UI is affecting the main 10. Check if console UI is affecting the main

control DC supplies.

a. Unplug washer or

a. Unplug washer or disconnect power.disconnect power.

b. Remove connector J9 from main control.

c. Plug in

c. Plug in washer or reconnect washer or reconnect powerpower..

d. Recheck the DC voltages per steps 7 & 8.

Perform voltage checks inside header J9 Perform voltage checks inside header J9 on the board – do not short pins together.

on the board – do not short pins together.

 If the DC voltages return, replace console

 If the DC voltages return, replace console UI.

UI.

 If one or more DC voltages are still missing,

 If one or more DC voltages are still missing, go to step 11.

go to step 11.

11. Main Control 1. Main Control has malfunctioned.has malfunctioned.

a. Unplug washer or

a. Unplug washer or disconnect powerdisconnect power.. b. Replace the main control.

b. Replace the main control.

c. Reassemble all parts and panels.

d. Plug in

d. Plug in washer or reconnect washer or reconnect powerpower. Calibrate. Calibrate washer and perform Automatic Test to washer and perform Automatic Test to verify

verify repairrepair.. Electrical Shock Hazard Electrical Shock Hazard Disconnect power before servicing.

Disconnect power before servicing.

Replace all parts and panels before Replace all parts and panels before operating.

operating.

Failure to do so can result in death or Failure to do so can result in death or electrical shock.

electrical shock.

WARNING

6-6 6-6

TROUBLESHOOTING GUIDE (continued) TROUBLESHOOTING GUIDE (continued)

FOR SERVICE TECHNICIANS ONLY FOR SERVICE TECHNICIANS ONLY

Main Control Board Connectors and Pinouts (Figure 3) Main Control Board Connectors and Pinouts (Figure 3)

J2-5 OPEN

J2-1 BLU BLU SHIFTER SHIFTER POSITION POSITION INPUTINPUT

J3-10 GRY

J3-10 GRY TEMP TEMP THERMISTOR THERMISTOR INPUTINPUT J3-9

J3-9 BLK BLK TEMP TEMP THERMISTOR THERMISTOR GNDGND

J3-8 OPEN

J7-2 GRN GRN CHASSIS CHASSIS GROUNDGROUND J7-1 BLK L1

J15-4 RED LOCK LOCK SWITCHSWITCH J15

J15-3 W-3 WHTHT NEUNEUTRTRALAL J15-2 BLU

J15-2 BLU LID LID SWITCH SWITCH INPUTINPUT J15-1 YEL

J15-1 YEL LOCK LOCK SWITCH SWITCH SOLENOID SOLENOID (L1)(L1)

J16-7 ORN

J16-7 ORN MOTOMOTOR R CCW CCW WINDINWINDING (G (L1)L1) J16-6 RED

J16-6 RED MOTOR MOTOR CW CW WINDING WINDING (L1)(L1) J16-5 WHT

J16-5 WHT MOTOMOTOR R (NEUT(NEUTRAL)RAL) J16-4 OPEN

J16-4 OPEN J16-3

J16-3 LLT BT BLU LU DRAIN PUMP MDRAIN PUMP MOTOR (L1)OTOR (L1) J16-2

J16-2^{WHT BLU}^{WHT BLU}SHIFTER MOTOR (NEUTRAL)SHIFTER MOTOR (NEUTRAL) J16-1 BRN

 = = represents pin-1represents pin-1



6-7 6-7

TROUBLESHOOTING GUIDE (continued) TROUBLESHOOTING GUIDE (continued)

FOR SERVICE TECHNICIANS ONLY FOR SERVICE TECHNICIANS ONLY

This test checks the electrical connections This test checks the electrical connections to the valves, and

to the valves, and the valves themselves.the valves themselves.

1. Check the relays and electrical connections 1. Check the relays and electrical connections to the valves by performing the Cold, Hot, to the valves by performing the Cold, Hot, Oxi, and Fabric Softener Valve tests under Oxi, and Fabric Softener Valve tests under Manual Test Mode. Each test activates Manual Test Mode. Each test activates and deactivates the selected valve. The and deactivates the selected valve. The following steps assume one (or more) following steps assume one (or more) valve(s) did not turn on.

valve(s) did not turn on.

2. For the valve(s) in question check the 2. For the valve(s) in question check the

individual solenoid

individual solenoid valvesvalves:: a. Unplug washer or

a. Unplug washer or disconnect powerdisconnect power.. b. Remove console to access main control.

b. Remove console to access main control.

c. Remove connector J3 from main control.

Refer to main control diagram on page 12.

d. Check harness connection to solenoid d. Check harness connection to solenoid

valves.

3. Check resistance of the valve coils across 3. Check resistance of the valve coils across

the following J3 connector pinouts:

Resistance should be between 890–1.3k Ω.

 If resistance readings are tens of ohms replace main control

replace main control and calibrate washerand calibrate washer..

Perform automatic test to verify repair.

TEST #3a: Drive System – Shifter TEST #3a: Drive System – Shifter

This test checks connections, shifter motor, This test checks connections, shifter motor,

switch, and optical

switch, and optical sensorsensor.. NOTE:

NOTE: Refer to Figure 4, “Shifter Assembly Refer to Figure 4, “Shifter Assembly Strip Circuit” for tests and measurements.

Strip Circuit” for tests and measurements.

IMPORTANT:

IMPORTANT: Drain water from tub before Drain water from tub before accessing bottom

accessing bottom of washerof washer.. Functional Check:

Functional Check:

1. Check the shifter and electrical connections 1. Check the shifter and electrical connections by performing both the Spin AND Agitate by performing both the Spin AND Agitate test under Manual Test Mode. The test under Manual Test Mode. The following steps assume that this step was following steps assume that this step was unsuccessful.

unsuccessful.

2. Unplug washer or

2. Unplug washer or disconnect powerdisconnect power.. 3. Check to see if basket will turn freely.

3. Check to see if basket will turn freely.

 If basket turns freely, go to step 4.

 If basket does not turn freely, determine

 If basket does not turn freely, determine what is causing the mechanical friction or what is causing the mechanical friction or lockup.

lockup.

4. Remove console to access main control.

5. Visually check that the J2 and J16 5. Visually check that the J2 and J16

connectors are inserted all

connectors are inserted all the way into thethe way into the main control.

main control.

 If visual checks pass, go to step 6.

 If connectors are not inserted properly,

 If connectors are not inserted properly, reconnect J2 and

reconnect J2 and J1J16 and repeat 6 and repeat step 1.step 1.

Shifter Motor:

6. Remove connector J16 from main control.

With an ohmmeter, verify resistance With an ohmmeter, verify resistance values shown below across the following values shown below across the following J16 connector pinouts:

J16 connector pinouts:

Electrical Shock Hazard Electrical Shock Hazard Disconnect power before servicing.

Disconnect power before servicing.

Replace all parts and panels before Replace all parts and panels before operating.

operating.

Failure to do so can result in death or Failure to do so can result in death or electrical shock.

electrical shock.

WARNING

6-8 6-8

10. With a voltmeter set to DC, connect the 10. With a voltmeter set to DC, connect the black probe to J2-3 (Circuit Gnd) and red black probe to J2-3 (Circuit Gnd) and red probe to J2-4 (+13VDC).

probe to J2-4 (+13VDC).

 If +13VDC is present, go to step 11. black probe to J2-3 (Circuit Gnd) and red black probe to J2-3 (Circuit Gnd) and red probe to J2-2 (RPM input). Slowly turn drum probe to J2-2 (RPM input). Slowly turn drum by hand. Voltage should toggle between 0 by hand. Voltage should toggle between 0 and +5VDC.

and +5VDC.

 If voltage is not conrmed, go to step 12.

 If voltage is conrmed, go to step 17.

12. Unplug washer or disconnect power.

13. Tilt washer back to access the bottom 13. Tilt washer back to access the bottom of the washer and the drive motor area.

of the washer and the drive motor area.

14. Visually check the electrical connections 14. Visually check the electrical connections

to the shif to the shifterter..

 If visual check passes, go to step 15.

 If connections are loose, reconnect the

 If connections are loose, reconnect the electrical connections and repeat step 1.

electrical connections and repeat step 1.

15. With an ohmmeter, check the harness for 15. With an ohmmeter, check the harness for continuity between the shifter and main continuity between the shifter and main control using the following pinouts. See control using the following pinouts. See chart below.

chart below.

 If there is continuity, go to step 16.

 If there is no continuity, replace the lower

 If there is no continuity, replace the lower machine harness and repeat step 1.

machine harness and repeat step 1.

Resistance should be between 2k to 3.5k Ω.

 If values are correct, reconnect J16 and

 If values are correct, reconnect J16 and proceed to step 7.

proceed to step 7.

 If values are open or out of range,

 If values are open or out of range, go

go to to step step 13.13.

7. Plug in washer or reconnect power.

8. With a voltmeter set to AC, connect the black 8. With a voltmeter set to AC, connect the black probe to J16-2 (N) and red probe to J16-1 probe to J16-2 (N) and red probe to J16-1 (L1). Activate shifter motor by switching (L1). Activate shifter motor by switching between Spin and Agitate modes. Energize between Spin and Agitate modes. Energize outputs using M

outputs using Manual Tanual Test Mode.est Mode.

IMPORTANT:

IMPORTANT: Lid must be closed with Lid Lock Lid must be closed with Lid Lock enabled to run the SPIN and AGITATE enabled to run the SPIN and AGITATE tests.

tests.

NOTE: It will take between 4-15 seconds for NOTE: It will take between 4-15 seconds for

the shifter to change states.

 If 120VAC is present, go to step 9.

 If 120VAC is not present, to step 17.

Shifter Switch:

9. With a voltmeter set to DC, connect the 9. With a voltmeter set to DC, connect the black probe to J2-3 (Circuit Gnd) and red black probe to J2-3 (Circuit Gnd) and red probe to J2-1 (Shifter Switch). In manual probe to J2-1 (Shifter Switch). In manual test mode, switch between Spin and Agitate test mode, switch between Spin and Agitate modes. Voltage should toggle between 0

 If voltage corresponds to setting, go to step 10.

 If voltage does not switch, go to step 12.

Optical Sensor:

TROUBLESHOOTING GUIDE (continued) TROUBLESHOOTING GUIDE (continued)

FOR SERVICE TECHNICIANS ONLY FOR SERVICE TECHNICIANS ONLY

Main Control

Main Control Shifter AssyShifter Assy

J2-3

Motor Resistance 2k to 3.5k ohms Motor Resistance 2k to 3.5k ohms

Shifter Motor Relay Shifter Motor Relay

Motor Harness Check Motor Harness Check

Motor Connector Pin-1 to Chassis Ground Motor Connector Pin-1 to Chassis Ground Motor Connector Pin-3 to Main Control J16-7 Motor Connector Pin-3 to Main Control J16-7 Motor Connector Pin-3 to Run Capacitor Pin-3 Motor Connector Pin-3 to Run Capacitor Pin-3 Motor Connector Pin-6 to Main Control J16-6 Motor Connector Pin-6 to Main Control J16-6 Motor Connector Pin-6 to Run Capacitor Pin-1 Motor Connector Pin-6 to Run Capacitor Pin-1 Motor Connector Pin-9 to Main Control J16-5 Motor Connector Pin-9 to Main Control J16-5

Figure 4 - Shifter Assembly Strip Circuit (Shifter Switch Open = SPIN, Closed = AGITATE) Figure 4 - Shifter Assembly Strip Circuit (Shifter Switch Open = SPIN, Closed = AGITATE)

6-9 6-9

TROUBLESHOOTING GUIDE (continued) TROUBLESHOOTING GUIDE (continued)

FOR SERVICE TECHNICIANS ONLY FOR SERVICE TECHNICIANS ONLY

Main Control

Each Winding 3.5 to 6 ohms Each Winding 3.5 to 6 ohms

1 16. Replace the shifter

16. Replace the shifter assemblyassembly.. a. Unplug washer or

a. Unplug washer or disconnect powerdisconnect power.. b. Replace shif

b. Replace shifter assembly.ter assembly.

c. Reassemble all parts and panels.

d. Plug in washer or

d. Plug in washer or reconnect power. Calibratereconnect power. Calibrate washer and perform Automatic Test to washer and perform Automatic Test to verify

verify repairrepair..

17. Replace main control.

a. Unplug washer or

a. Unplug washer or disconnect powerdisconnect power.. b. Replace the main control.

b. Replace the main control.

c. Reassemble all parts and panels.

d. Plug in washer or

d. Plug in washer or reconnect power. Calibratereconnect power. Calibrate washer and perform Automatic Test to washer and perform Automatic Test to verify

verify repairrepair.. TEST #3b:

TEST #3b: Drive System – Motor Drive System – Motor

This test checks the motor, motor windings, This test checks the motor, motor windings,

wiring, and start capacitor.

NOTE:

Figure 5 - PSC Motor Strip Curcuit (shown in ON position) Figure 5 - PSC Motor Strip Curcuit (shown in ON position)

accessing bottom

accessing bottom of washerof washer..

1. Check the motor and electrical connections 1. Check the motor and electrical connections by performing the Gentle or Heavy by performing the Gentle or Heavy Agita

Agitation tion test test under under ManuaManual l TTest est Mode.Mode.

The following steps assume that this step The following steps assume that this step was unsuccessful.

was unsuccessful.

2. Unplug washer or

2. Unplug washer or disconnect powerdisconnect power.. 3. Check to see if basket will turn freely.

3. Check to see if basket will turn freely.

 If basket turns freely, go to step 4.

In document W10329932 L-84 Whirlpool Vertical Modular Washer (Page 70-82)