C
Heat exchanger liquid outlet thermistor
Heat exchanger liquid pipe thermistor short or open detected
1. Connector connection failur, open
2. Thermistor failure
3. Main PCB failure
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 (CN63:1-2) voltage value = 5V
Remove the thermistor from Main PCB, check the voltage.
Indoor Unit : Operation LED 8 times Flash, Timer LED 3 Times Flash,
Economy LED Continuous Flash.
Outdoor Unit : E. 83. 1
Error Code : 83
If the voltage does not appear, replace Main PCB,
and execute the check operation again.
Heat Ex. Liquid Pipe
Thermistor Error
Trouble shooting 25
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
Heat exchanger liquid outlet thermistor (CN63:1-2)
CN63
THERMISTOR
THERMISTOR
(SC. GAS. OUT.)
(HEX. PIPE. OUT.)
BLACK
BLACK
1 2 3
4
1 2 3
4
5
5
BLACK
BLACK
02-41
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