Compressor Thermistor Error
D
Compressor temperature thermistor
Compressor temperature thermistor short detected
Compressor thermistor open detected
1. Connector connection failure, open
2. Thermistor failure
3. Main PCB failure
OK
OK
Check Point 1 : Check the connector connection and cable open
Connector connection state check
Cable open check
Check Point 2 : Check the thermistor
Thermistor characteristics check (Disconnect the thermistor from the PCB and check.)
* For the thermistor characteristics, refer to the "Service Parts Information 5".
Check Point 3 : Check voltage of Main PCB (DC5.0V)
Main PCB (CN62:3-4) voltage value = 5V
Remove the thermistor from Main PCB, check the voltage.
Compressor temperature thermistor (CN62:3-4)
Indoor Unit : Operation LED 7 times Flash, Timer LED 2 Times Flash,
Economy LED Continuous Flash.
Outdoor Unit : E. 72. 1
Error Code : 72
If the voltage does not appear, replace Main PCB, and execute
the check operation again.
Trouble shooting 18
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
CN62
THERMISTOR
(COMP SHELL1)
THERMISTOR
(DIS.TEMP.1)
BLACK
BLACK
BLA
C
K
BLA
C
K
1 2 3 4
1 2 3 4
02-34
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