Fujitsu Airstage VR-II Series - Liquid Pipe Temp. Sensor 2 Error

OK
DC
Liquid pipe temp. sensor 2
Liquid pipe temp. sensor 2 short or open detected
1. Connector connection defective, open
2. Sensor 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 sensor
Sensor characteristics check (Disconnect the sensor from the PCB and check.)
* For the sensor characteristics, refer to the "Service Parts Information 25".
Check Point 3 : Check voltage of Main PCB (DC5.0V)
Main PCB (CN142: 3-4) voltage value = 5V
Remove the sensor from Main PCB, check the voltage.
Liquid pipe temp. sensor 2 (CN142: 3-4)
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. 8 3. 2
Error Code : 9 U / 8 3
If the voltage does not appear, replace Main PCB and set up original address.
Liquid Pipe Temp. Sensor 2 Error
Trouble shooting 46 E83. 2
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
THERMISTOR (SC. INT. LIQ)
THERMISTOR (SC. EXT. LIQ)
THERMISTOR (SC. EXT. GAS)
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
CN142
04-55