Component Testing And Diagnosis; Service Diagnostic Tests; Section Four - Whirlpool Catalyst Troubleshooting & Repair Manual

COMPONENT TESTING AND DIAGNOSIS

The control must be in the OFF state before pressing the keys to initiate the diagnostic tests. To start
the test routine, press the following key pads in this sequence:
WASH/RINSE > ACCUWASH > WASH/RINSE > ACCUWASH
within five (5) seconds. The LED will display DT The required diagnostic test(s) can now be activated.
Any diagnostic test can be stopped by pressing the STOP/CANCEL keypad. Diagnostic test will self-
terminate after running for about three (3) minutes.
COMPONENT
Water Inlet and
Dispenser Valve
Test
Recirculation
Pressure Switch
Test
(NOTE: Empty the
tub before continu-
ing with this test.)

Section Four

SERVICE DIAGNOSTIC TESTS

KEY PAD DISPLAY
HEAVY DUTY
T 1 T 1 T 1 T 1 T 1
repeat
T 1 T 1 T 1 T 1 T 1
repeat
T 1 T 1 T 1 T 1 T 1
repeat
T 1 T 1 T 1 T 1 T 1
repeat
T 1 T 1 T 1 T 1 T 1
repeat
T 1 T 1 T 1 T 1 T 1
WHITEST Oscillates
WHITES between
T2 T2 and E R
T2 T2
T2
E R E R E R E R E R
repeat
T 2 T 2 T 2 T 2 T 2
repeat
T 2 T 2
T 2 T 2 T 2
repeat
T 2 T 2 T 2 T 2 T 2
CONTROL ACTION
No Valve ON
All valves ON
Cold, Fabric Softener and Fresh valves ON
Hot, Detergent and Bleach valves ON
No valves ON
Exits test
The washer starts to fill through the Hot, Cold
and Fresh water valves. Water is recirculating
and the basket spins at med. speed. the Recir-
E R E R E R
E R
culation Pressure switch should be closed.
NOTE: If " E R E R " is displayed immediately and
E R E R
E R
persists, the recirculation pressure switch or
tubing may have failed, or the pump is not re-
circulating water. As the water level approaches
the switching point, the display may oscillate
between "T 2 T 2" or "E R
T 2 T 2
T 2
switch is operating properly.
Once the proper level of water is reached for
recirculation, the valve turns off and "E R" is
displayed. The basket continues to spin at med.
speed and water recirculates. NOTE: If "T 2"
is displayed, there is a failure. Replace the re-
circulation switch.
The basket continues to spin at med. speed and
water recirculates
Spinning and recirculation stop
Exit test
25
E R" a few times if the pressure
E R E R
E R