Fujitsu AB*A30LBT

Trouble shooting 13
OUTDOOR UNIT Error Method:
Indicate or Display:
ERROR CODE : E : 15
Detective Actuators:
Detective details:
Forecast of Cause :
Check Point 2 :
Check Point 3 :
OKOK
OKOK
Compressor Temperature Sensor Error
Outdoor Unit Main PCB Circuit
Compressor Temperature Thermistor
When Compressor Temperature Thermistor open or short-circuit is
detected at power ON or while running the compressor.
1. Connector connection failure 2. Thermistor failure 3. Main PCB failure
Check Point 1 : Check connection of Connector
Check if connector is removed.
Check erroneous connection.
Check if thermistor cable is open.
>>Upon correcting the removed connector or mis-wiring, reset the power.
Check Point 2 : Remove connector and check Thermistor resistance value
Thermistor Characteristics (Rough value)
If Thermistor is either open or shorted, replace it and reset the power.
Check Point 3 : Check voltage of Main PCB (DC5.0V)
Make sure circuit diagram of outdoor unit and check terminal voltage at Thermistor (DC5.0V)
If the voltage does not appear, replace Main PCB.
07-17
Outdoor Unit : LED 0.1sec ON/ 0.1sec OFF
17.826.3
20°C
40.062.679.1101130169Resistance Value (k )
15°C10°C5°C0°C
Temperature
12.3
30°C
50°C40°C
60°C
1.222.003.434.606.278.70Resistance Value (k )
140°C120°C100°C 90°C80°C70°C
Temperature
Indoor Unit : Operation LED: 3 times blink, Timer LED: 8 times blink,
Filter LED : OFF
THERMISTOR (DISCHARGE) THERMISTOR (COMPRESSOR) THERMISTOR (PIPE) THERMISTOR (OUTDOOR)
BLACK BLUE
CN64 CN62 CN65 CN63
3 2 1
BROWN BROWN
3 2 1
3 2 1
3 2 1
3 2 1
3 2 1
3 2 1
3 2 1
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