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Problems
Symptom
Causes
Checks
Measures
Remarks
Defective
Buzzer rings
Trouble mode indication.
Check trouble diagnosis
function.
Repair troubles
Refer to mode
display button,
but key does
indication in
not sense even
function
button is
explanations.
pressed.
I Door Buzzer
Repair lead wire,
Check model
with dispenser.
Suzzer
continuously
rings or door
opening alarm
does not work.
Defective connecting lead wire from
main PCB to door switch.
Defective freezer compartment
door
switch parts.
Check lead wire associated
with door
switch.
Refer to door switch in parts repair
guide.
Replace Freezer
compartment door
switch.
Bad watedice
lee and water
Defective connecting
lead wire from
Check Lead Wire associated with lever
Repair lead wire.
dispenser,
are not
Main PCB to lever switch,
switch with a tester.
dispensed.
Defective lever switch parts
Refer to door switch in parts repair guide
Replace lever switch.
Defective photo coupler IC parts.
Check voltage change at photo coupler
Replace photo
output terminals with lever switch
coupler IC or PCB.
pressed. It is OK if voltage change is
between
OV- 5V.
Defective relay associated
with ice
Check relay (RY9, RY11, RY12)
Replace defective
dispense
(geared motor, cube and
with a tester,
relay.
dispenser solenoid).
Defective parts associated
with ice
Check resistance of parts with a tester.
! Replace defective
dispense (geared motor, cube and
)arts.
dispenser solenoid).
Defective relay associated
with water
Check relay (RY10) with a tester
Replace defective
dispense,
relay.
Defective parts associated
with water
Check resistance of parts with a tester.
Replace defective
dispenser.
)arts.
-I
F.
_o
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