Troubleshooting Guide - Whirlpool WTW5840BW0 Guide

FOR SERVICE TECHNICIAN'S USE ONLY

TROUBLESHOOTING GUIDE

Some tests will require accessing components. See Figures 7 & 8, page 19, for component locations.
For detailed troubleshooting procedures, refer to "Troubleshooting Tests" beginning on page 12.
PROBLEM
WON'T POWER UP
• No operation
• No keypad response
• No LEDs or display
WON'T START CYCLE
No response when Start Button
is pressed.
UI WON'T ACCEPT
SELECTIONS
WON'T FILL
OVERFILLS
WON'T DISPENSE FABRIC
SOFTENER OR OXI
INCORRECT WATER
TEMPERATURE
WON'T AGITATE
PAGE 10
NOTE: Always check for error codes first (pgs. 6–7).
POSSIBLE CAUSE
No power to washer.
Connection problem between AC plug
and main control.
Connections between main control
and UI.
User Interface problem.
Main Control problem.
Lid lock mechanism not functioning.
Connections between main control
and UI.
User Interface problem.
Main Control problem.
Connections between main control
and UI.
User Interface problem.
Main Control problem.
No water supplied to washer.
Plugged filter/screen.
Drain hose installation.
Valve problem.
Main Control problem.
Pressure hose.
Valve problem.
Washer requires calibration.
Pressure transducer on main control.
No water supplied to washer.
Obstruction in dispenser.
Valve problem.
Main Control problem.
Water hose installation.
Temperature thermistor.
Valve problem.
Main Control problem.
Water covering impeller?
Lid lock showing open during cycle?
Drive belt.
Harness connections.
Shifter problem.
Motor problem.
Tachometer issue.
Main Control problem.
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-J9 and UI.
See TEST #4: Console and Indicators,
page 16.
See TEST #1: Main Control, page 12.
1. Lid not closed due to interference.
2. Lock not closed due to interference.
3. See TEST #8: Lid Lock, page 18.
Check connections and continuity between
main control-J9 and UI.
See TEST #4: Console and Indicators,
page 16.
See TEST #1: Main Control, page 12.
Check connections and continuity between
main control-J9 and UI.
See TEST #4: Console and Indicators,
page 16.
See TEST #1: Main Control, page 12.
1. Check water connections to washer.
2. Verify hot and cold water 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 13.
See TEST #1: Main Control, page 12.
See TEST #6: Water Level, page 17.
See TEST #2: Valves, page 13.
Perform washer calibration on page 4.
See TEST #1: Main Control, page 12.
1. Check water connections to washer.
2. Verify hot and cold water supply is on.
Clean obstruction from dispenser.
See TEST #2: Valves, page 13.
See TEST #1: Main Control, page 12.
Make sure inlet hoses are connected
properly.
See TEST #5: Temperature Thermistor,
page 17.
See TEST #2: Valves, page 13.
See TEST #1: Main Control, page 12.
See TEST #6: Water Level, page 17.
See TEST #8: Lid Lock, page 18.
Verify that drive belt is not damaged.
Check harness connections between main
control and drive system.
See TEST #3a: Drive System–Shifter,
page 13.
See TEST #3b: Drive System–Motor,
page 14.
No tub movement or tub speed out of normal
range (obstruction/belt/motor).
See TEST #1: Main Control, page 12.
DO NOT REMOVE OR DESTROY