C
Sub-cooling heat exchanger gas outlet
temperture thermistor
Sub-cooling heat exchanger gas outlet temperture 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 (CN63:4-5) voltage value = 5V
Remove the thermistor from Main PCB, check the voltage.
Indoor Unit : Operation LED 8 times Flash, Timer LED 2 Times Flash,
Economy LED Continuous Flash.
Outdoor Unit : E. 82. 2
Error Code : 82
If the voltage does not appear, replace Main PCB,
and execute the check operation again.
Sub-cool Heat Ex. Gas Outlet
Thermistor Error
Trouble shooting 24
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
Heat exchanger liquid outlet thermistor (CN63:4-5)
CN63
THERMISTOR
THERMISTOR
(SC. GAS. OUT.)
(HEX. PIPE. OUT.)
BLACK
BLACK
1 2 3
4
1 2 3
4
5
5
BLACK
BLACK
02-40