Fujitsu AUXB14GALH - Sub-cool Heat EX. Gas outlet Temp Sensor Error<TH9> Troubleshooting

Sub-cool Heat EX. Gas outlet
Temp Sensor Error<TH9>
OK
DC
CN142
BLACK BLACK
1234
1234
BLACK BLACK
Sub-cooling heat exchanger gas outlet
temperature thermistor
Sub-cooling heat exchanger gas outlet temperature thermistor short or
open detected
1. Connector connection defective, open
2. Thermistor defective
3. Main PCB defective
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 17".
Check Point 3 : Check voltage of Main PCB (DC5.0V)
Main PCB (CN142:3-4) voltage value = 5V
Remove the thermistor from Main PCB, check the voltage.
Sub-cooling heat exchanger gas outlet temperature sensor (CN142:3-4)
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. 82. 2
Error Code : 82
THERMISTOR
(SC.EXT.GAS) < TH 9 > THERMISTOR (SC.EXT.LIQ)
Trouble shooting 47
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
E. 82.2
04-55