Whirlpool WTW9500E SERIES Service Manual page 25

Troubleshooting Guide (continued)
Problem
Bulk Dispense Not Connections between main control,
Dispensing Detergent Rex board, and bulk dispense pump.
(not on all models)
Plugged bulk dispense hose.
Harness connections.
Bulk dispense pump problem.
Rex board problem.
Main Control problem.
Won't Dispense
No water supplied to washer.
Fabric Softener or
Oxi (Oxi not on all
models)
Obstruction in dispenser.
Valve problem.
Main Control problem.
Won't Recirculate the
Plugged recirculation hose.
Water (Recirculation
Obstructions to recirculation pump.
Pump not on all
models)
Harness connections.
Recirculation pump problem.
Main Control problem.
Incorrect Water Water hose installation.
Temperature
Temperature thermistor.
Valve problem.
Main Control problem.
Won't Agitate Water covering the impeller?
Is lid lock showing open during the
cycle?
Harness connections.
Shifter problem.
Motor problem.
Main Control problem.
Won't Spin Is lid lock showing open during the
cycle?
Harness connections.
Shifter problem.
Motor problem.
Main Control problem.
Won't Drain Drain hose installation.
Standpipe position.
(continued next page)
Plugged drain hose.
For Service Technician Use Only
Possible Cause
DIAGNOSTICS & TROUBLESHOOTING
Checks & Tests
Check connections and continuity between main control, Rex
board, and bulk dispense pump.
Check bulk dispense hose for obstructions.
Check harness connections between main control, Rex board, and
bulk dispense pump.
See TEST #12: Bulk Dispense Pump and Relay Expansion Board,
page 3-18.
See TEST #12: Bulk Dispense Pump and Relay Expansion Board,
page 3-18.
See Test #1: Main Control (ACU), page 3-4.
1. Check water connections to washer.
2. Verify that hot and cold waster supply is on.
Clean obstruction from dispenser.
See TEST #2: Valves, page 3-6.
See Test #1: Main Control (ACU), page 3-4.
Check recirculation hose for obstructions.
Check tub sump under impeller plate and basket for obstructions.
Check harness connections between main control and recirculation
pump.
See TEST #7: Drain Pump & Recirc. Pump, page 3-13.
See Test #1: Main Control (ACU), page 3-4.
Make sure inlet hoses are connected properly.
See TEST #5: Temperature Thermistor, page 3-11.
See TEST #2: Valves, page 3-6.
See Test #1: Main Control (ACU), page 3-4.
See TEST #6: Water Level, page 3-12.
See TEST #8: Lid Lock, page 3-14
Check harness connections between main control and drive
system.
See TEST #3a: Drive System - Shifter, page 3-7.
See TEST #3b: Drive System - Motor, page 3-9.
See Test #1: Main Control (ACU), page 3-4.
See TEST #8: Lid Lock, page 3-14.
Check harness connections between main control and drive
system.
See TEST #3a: Drive System - Shifter, page 3-7.
See TEST #3b: Drive System - Motor, page 3-9.
See Test #1: Main Control (ACU), page 3-4.
Check for proper drain hose installation. Make sure it is not
inserted more than 4.5" (114 mm). Make sure drain hose is not
sealed into drain pipe, and that there is an air gap for ventilation.
Ensure drain height is between 39" (991 mm) and 8' (2.4 m) above
the floor.
Check drain hose for obstructions.
Whirlpool & Maytag Direct Drive Top Load Washer 2-13
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