Fujitsu AOTG45LATL - Page 18

Refer to error code table.
Discharge Thermistor Error
OK
OK
D
C
CN62
THERMISTOR (COMP SHELL) THERMISTOR (DIS.TEMP.)
BLACK BLACK BLA
C
K
BLA
C
K
1 2 3 4
1 2 3 4
Discharge temperature thermistor
Discharge temperature thermistor short detected
Discharge thermistor open detected
1. Connector connection failure, open
2. Thermistor failure
3. Main PCB failure
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 8".
Check Point 3 : Check voltage of Main PCB (DC5.0V)
Main PCB (CN62:1-2) voltage value = 5V
Remove the thermistor from Main PCB, check the voltage.
If the voltage does not appear, replace Main PCB,
and execute the check operation again.
Discharge temperature thermistor (CN62:1-2)
02-15
Trouble shooting 12
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :