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TROUBLE DIAGNOSIS
-68-
Problems Symptom Causes Checks Measures Remarks
Bad cooling. Freezer Compressor does Compressor Lead Wire Check compressor Lead Wire Reconnect Lead
temperature is not start. is cut. with a tester. Wire.
high. Defective compressor Measure voltage at PCB CON2 Replace relay(RY1 Refer to load
driving relay. (3&9) after pressing main PCB and RY2) or PCB. driving circuit in
test switch once. It is OK if circuit
voltage is normal. 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 color of sensor in Repair main PCB explanation.
substituted for other circuits (main PCB sensor sensor housing
sensor. housing).
Defective freezer fan Fan motor lead wire Check fan motor lead wire Reconnect lead
motor. is cut. with a tester. wire.
• Defective door switch Measure the voltage between • Replace door Refer to load
(freezer, refrigerator, PCB power blue line and fan switch
(freezer,
driving circuits in
home bar). motor after pressing test switch
refrigerator
and circuit
• Defective fan motor. of Main PCB. If the voltage is home bar). explanation.
• Defective fan motor normal, it is OK. • Replace fan motor.
driving relay.
Faulty defrost. Refer to faulty defrost items in trouble diagnosis Refer to trouble
functions. diagnosis
function.