Troubleshooting Tests - Whirlpool MVWC400XW Technical Education

TROUBLESHOOTING GUIDE (continued)
FOR SERVICE TECHNICIANS ONLY
TROUBLESHOOTING GUIDE (continued)
Some tests will require accessing components. See Figures 7 & 8 for component locations.
For detailed troubleshooting procedures, refer to "Troubleshooting Tests" .
PROBLEM
WON'T SPIN
OVERFILLS
WON'T DRAIN
INCORRECT WATER TEMPERATURE
POOR WASH PERFORMANCE
Please reference Use & Care Guide
ERROR CODE INDICATED
POSSIBLE CAUSE
Is lid lock showing open during the cycle?
Drive belt.
Harness connections.
Shifter problem.
Motor problem.
Tachometer issue.
Main control problem.
Pressure hose.
Valve problem.
Washer requires calibration.
Pressure transducer on main control.
Drain hose installation.
Plugged drain hose.
Obstructions to drain pump.
Harness connections.
Drain pump.
Main control problem.
Water hose installation.
Temperature thermistor.
Main control problem.
Oversuds.
Load is tangling.
Incorrect water level.
Clothes wet after cycle is complete.
Load not rinsed.
Not cleaning clothes.
Fabric damage.
Wrong option or cycle selection.
Customer codes: Wash LED on, Spin LED
on, Lid Lock LED flashing.
Service Diagnostic Mode Fault Codes.
6-4
CHECKS & TESTS
See TEST #8: Lid Lock.
Verify that drive belt is not damaged.
Check harness connections between main
control and drive system.
See TEST #3a: Drive System–Shifter.
See TEST #3b: Drive System–Motor.
No tub movement or tub speed out of normal
range (obstruction/belt/motor).
See TEST #1: Main Control.
See TEST #6: Water Level.
See TEST #2: Valves.
Perform washer calibration.
See TEST #1: Main Control.
Check for proper drain hose installation.
Make sure it is not inserted more than 4.5"
(113mm).
Check drain hose for obstructions.
Check tub sump under impeller plate &
basket for obstructions.
Check harness connections between main
control and drain pump.
See TEST #7: Drain Pump.
See TEST #1: Main Control.
Make sure inlet hoses are connected
properly.
See TEST #5: Temperature Thermistor.
See TEST #1: Main Control.
1. Verify use of HE detergent.
2. Excessive detergent usage.
1. Washer not loaded properly.
2. Perform washer calibration.
1. Perform washer calibration.
2. See TEST #2: Valves.
3. See TEST #6: Water Level.
1. Overloaded washer.
2. Oversuds (see above).
3. Items caught in in tub sump.
4. Weak suspension.
See TEST #7: Drain Pump.
1. Check proper water supply.
2. Not using HE detergent.
3. Washer not loaded properly.
4. See TEST #2: Valves.
1. Washer not loaded properly.
2. Not using HE detergent.
3. Not using correct cycle.
4. Not using dispensers.
1. Washer overloaded.
2. Bleach added incorrectly.
3. Sharp items in tub.
Refer customer to "Use & Care Guide"
See Customer Viewable Fault Codes
on page 5.
See Fault/Error Codes.