Troubleshooting Guide - Whirlpool WTW9500E SERIES Service Manual

DIAGNOSTICS & TROUBLESHOOTING

Troubleshooting Guide

NOTE: Always check for error codes first (pages 2-8 to 2-11)
Some tests will require accessing components. See Section 4, "Component Access" for component locations. For detailed testing
procedures, refer to Section 3, "Component Testing."
Problem
Won't Power Up No power to washer.
• No operation
• No keypad
Connection problem between AC
response
plug and main control.
• No LEDs or display
Connections between main control
and UI.
User Interface problem.
Main Control problem.
Basket Light Won't Connections between main control
Turn On (on some and basket light.
models)
Basket Light.
Main Control problem.
Won't Start Cycle
Lid lock mechanism not functioning.
No response when
START is pressed
Important: Starting a
cycle requires "Press
Connections between main control
and hold" of START
and UI.
button
User Interface problem.
Main Control problem.
UI Won't Accept Connections between main control
Selections and UI.
User Interface problem.
Main Control problem.
No Sounds When Button sounds are turned off.
Keys Are Pressed
Connections between main control
and UI.
User Interface problem.
Main Control problem.
Won't Fill No water supplied to washer.
Plugged filter/screen.
Drain hose installation.
Valve problem.
Main Control problem.
Overfills Pressure hose.
Valve problem.
Washer requires calibration.
Pressure transducer on main control. See Test #1: Main Control (ACU), page 3-4.
2-12 Whirlpool & Maytag Direct Drive Top Load Washer
n
For Service Technician Use Only
Possible Cause Checks & Tests
Check power at outlet, check circuit breakers, fuses, or junction
box connections.
Check the AC power cord for continuity.
Check connections and continuity between main control and UI.
See TEST #4: Keys and Encoders, page 3-10 and TEST #10:
Service LEDs, page 3-16.
See Test #1: Main Control (ACU), page 3-4.
Check connections and continuity between main control and
basket light.
See TEST #11: Basket Light, page 3-17.
See Test #1: Main Control (ACU), page 3-4.
1. Lid not closed due to interference.
2. Lock not closed due to interference.
3. See TEST #8: Lid Lock, page 3-14.
Check connections and continuity between main control and UI.
See TEST #4: Keys and Encoders, page 3-10 and TEST #10:
Service LEDs, page 3-16.
See Test #1: Main Control (ACU), page 3-4.
Check connections and continuity between main control and UI.
See TEST #4: Keys and Encoders, page 3-10 and TEST #10:
Service LEDs, page 3-16.
See Test #1: Main Control (ACU), page 3-4.
See TEST #4: Keys and Encoders, page 3-10.
Check connections and continuity between main control and UI.
See TEST #4: Keys and Encoders, page 3-10 and TEST #10:
Service LEDs, page 3-16.
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.
Check for plugged filter or screen in the water valve or hoses.
Check for proper drain hose installation.
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 #2: Valves, page 3-6.
Perform Service Calibration, page 2-4.