Suction Gas Temp Sensor Error
OK
DC
Suction gas temp. sensor
Suction gas temp. sensor 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 (CN165:1-3) voltage value = 5V
Remove the sensor from Main PCB, check the voltage.
Suction gas temp. sensor (CN165:1-3)
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. 7 5. 1
Error Code : 9 U / 7 5
If the voltage does not appear, replace Main PCB and set up original address.
Trouble shooting 42 E75. 1
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
1
2
3
1
2
3
BLACK
BLACK
THERMISTOR (SUC. TEMP.)
CN165
04-51
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