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Problems
Bad cooling.
Symptom
Causes
Checks
Measures
Remarks
Freezer
temperature is
high.
Compressor
does
not start.
Compressor
Lead Wire
is cut.
Defective compressor
driving relay.
Check compressor Lead Wire
with a tester.
Measure voltage at PCB CON5
(3&9) alter pressing main PCB
test switch once. It is OK if
voltage is normal.
Reconnect Lead
Wire.
Replace relay(RY1
and RY14) or PCB.
Refer to load
driving circuit in
circuit
explanation.
Defective freezer
Defective Freezer
Check resistance of freezer
Replace freezer
Refer to
sensor,
sensor parts,
sensor with a tester,
sensor,
resistance
characteristics
table of sensor in
circuit
Freezer sensor is
Confirm the colo_"of sensor in
Repair main PCB
explanation.
substituted
for other
circuits (main PCB sensor
sensor housing
sensor,
housing).
Defective freezer fan
motor.
Check fan motor lead wire
with a tester.
Measure the voltage between
PCB power blue line and fan
motor after pressing test switch
of Main PCB. If the voltage is
normal, it is OK.
Fan motor lead wire
is cut.
o Defective door switch
(freezer, refrigerator,
home bar).
• Defective fan motor.
• Defective fan motor
driving relay.
! Reconnect lead
wire.
Replace door
switch (freezer,
refrigerator and
home bar).
Replace fan motor.
Replace relay(RY5
& RY6) or PCB.
Refer to faulty defrost items in trouble diagnosis
functions.
Faulty defrost.
Refer to load
driving circuits in
circuit
explanation.
Refer to trouble
diagnosis
function.
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