35
TROUBLE SHOOTING CHART for
COMPONENTS DIAGNOSTIC MODE CHART (POWER-UP DIAGNOSTIC)
TEST
RESULT
POSSIBLE CAUSE
CORRECTIVE ACTION
4 LED pulses, repeated
once.
Defective receiver relay.
Replace emitter and receiver
boards and retest.
Ice Maker in “park”
position and bimetal is
open.
Install jumper in ice maker holes
“T” and “H” and retest.
Ice Maker bail arm
switch in OFF position.
Bail arm not used in these models
but switch must be ON.
Ice Maker is not
powered.
Switch ON the Ice Maker by
means the User Board and retest.
Thermal fuse in Ice
Maker harness is open.
Replace ice maker harness and
retest.
Incorrect wiring at emitter
or receiver board.
Correct wiring and retest.
3 LED pulses, repeated.
Problem with Ice Maker
See "Ice Maker Checks” below.
2 LED pulses.
Optics board defective.
Replace emitter and receiver
boards and retest.
5 second LED on steady.
Ice Maker control circuit
is functioning normally.
None required.
Ice Maker
Control Circuit
No LED pulses.
Optics performing self-
tests (will not perform
diagnostic tests during
this time)
Make sure ice maker is “parked.”
Unplug refrigerator for 5 seconds
to reset optics control and retest.
Optics check not run
before testing Ice Maker
Run optics test and recheck ice
maker.
Freezer door not closed
after Optics test.
Close freezer door to start
harvest.
Optics path not clear.
Clear optics path.
Optics test failure.
Replace emitter and receiver
boards and retest.
Ice Maker is not
powered.
Checks poles relay output on the
Main Board.
Thermal fuse in Ice
Maker harness is open.
Replace ice maker harness.
No power applied to Ice
Maker module.
Wiring harness problem.
Check continuity in wiring
harness.
Ejector bar does not
move.
Motor has failed.
Replace ice maker module.
Thermostat jumper not
making contact.
Reposition jumper.
Heater is not on.
Heater has failed
Replace ice maker.
Thermostat jumper was
left installed past 11:00
position.
Remove jumper by 10:00 position
of ejector bar.
Water valve wiring
connection problem.
Check wiring to valve.
Customer’s water supply
is problem.
Check for proper water supply.
Frozen water fill tube.
Defrost the water fill tube and
check for seeping valve.
No water fill.
Water valve has failed.
Replace water valve.
Ice Maker
Checks
Ejector bar does not stop
at “home” position.
Thermostat jumper not
removed.
Remove thermostat jumper.
Содержание Cassinetta
Страница 8: ...8 ...
Страница 41: ...41 Inside Ice Sensor Guide Ice Full Test Switch Not Used SbS NO IDI Sankyo ice maker ...
Страница 43: ...43 TEMPERATURE VS RESISTANCE VALUE TABLE FOR SANKYO ICEMAKER ...
Страница 44: ...44 ...