Whirlpool Cassinetta Repair Manual Line page 35

COMPONENTS DIAGNOSTIC MODE CHART (POWER-UP DIAGNOSTIC)
TEST
4 LED pulses, repeated
3 LED pulses, repeated.
Ice Maker
Control Circuit
5 second LED on steady.
No LED pulses.
No power applied to Ice
Maker module.
Ejector bar does not
Ice Maker move.
Checks
Heater is not on.
No water fill.
Ejector bar does not stop
at "home" position.
TROUBLE SHOOTING CHART for
RESULT
once.
Incorrect wiring at emitter
2 LED pulses.
Optics check not run
before testing Ice Maker
Freezer door not closed
after Optics test.
Optics path not clear.
Optics test failure.
Ice Maker is not
powered.
Thermal fuse in Ice
Maker harness is open.
Wiring harness problem.
Motor has failed.
Thermostat jumper not
making contact.
Heater has failed
Thermostat jumper was
left installed past 11:00
position.
Water valve wiring
connection problem.
Customer's water supply
is problem.
Frozen water fill tube.
Water valve has failed.
Thermostat jumper not
removed.
POSSIBLE CAUSE
Defective receiver relay.
Ice Maker in "park"
position and bimetal is
open.
Ice Maker bail arm
switch in OFF position.
Ice Maker is not
powered.
Thermal fuse in Ice
Maker harness is open.
or receiver board.
Problem with Ice Maker
Optics board defective.
Ice Maker control circuit
is functioning normally.
Optics performing self-
tests (will not perform
diagnostic tests during
this time)
CORRECTIVE ACTION
Replace emitter and receiver
boards and retest.
Install jumper in ice maker holes
"T" and "H" and retest.
Bail arm not used in these models
but switch must be ON.
Switch ON the Ice Maker by
means the User Board and retest.
Replace ice maker harness and
retest.
Correct wiring and retest.
See "Ice Maker Checks" below.
Replace emitter and receiver
boards and retest.
None required.
Make sure ice maker is "parked."
Unplug refrigerator for 5 seconds
to reset optics control and retest.
Run optics test and recheck ice
maker.
Close freezer door to start
harvest.
Clear optics path.
Replace emitter and receiver
boards and retest.
Checks poles relay output on the
Main Board.
Replace ice maker harness.
Check continuity in wiring
harness.
Replace ice maker module.
Reposition jumper.
Replace ice maker.
Remove jumper by 10:00 position
of ejector bar.
Check wiring to valve.
Check for proper water supply.
Defrost the water fill tube and
check for seeping valve.
Replace water valve.
Remove thermostat jumper.
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