59
TROUBLE SHOOTING
4-2-2) Self-Diagnosis Error (Defective Sensor)
Refer to the ambient temp
and the resistance in the
Temp - Resistance table.
- When there is a sensor error, it will light up on the display panel. And, when there is a sensor error upon the
initial power on, it will go into the emergency operation mode blinking relevant 7-SEG.
- The refrigerator does not stop when there are sensor errors during the operation, but it goes into the emergency
operation mode, which is not able to do the normal operation.
So, do the double check with the Self Diagnosis in this manual.
Start
Repair the defective contact
of the connector or insert
the connector properly
NO
YES
1) When the Ambient Sensor is defective,
MAIN PCB
connector (CN30) is inserted
properly.
Replace Thermistor
NO
YES
Ambient Temp Sensor
is ok.
Ambient-SEN:Read
Resistance between
CN30 #11 and #12
PCB & Thermistor are ok.
Check the contact of the
connector again.
Refer to Circuit Diagram
and Temp Sensor
Troubleshooting in this
manual.
Refer to Circuit Diagram
and Temp Sensor
Troubleshooting in this
manual.
Start
Replace Thermistor
NO
YES
2) When the Fridge Temp Sensor is defective (also applied to other sensors)
Fridge Sensor is good.
Repair the defective contact
of the connector or insert
the connector properly
NO
YES
MAIN PCB Connector
(CN30) is properly
inserted
YES
Check the circuit diagram and
correct any wrong inserted
connectors
NO
The order of
Connector(CN30) is the same
as the one in the circuit
diagram
YES
Check MAIN PCB Cold
Solder or Short
NO
The voltage input of
MAIN MICOM #53 is within the
normal temp range.
PCB & Thermistor are good.
Check the contact of the connector again.
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