508067-01
Issue 2016
Page 59 of 75
Troubleshooting by Error Codes
Temperature Sensor Check
Disconnect the temperature sensor from PCB, measure the resistance value with a tester.
Temperature Sensors:
• Room temperature (T1) sensor,
•
Indoor coil temperature(T2) sensor,
•
Outdoor coil temperature (T3) sensor,
•
Outdoor ambient temperature (T4) sensor,
•
Discharge temperature (T5) or (TP) sensor.
Measure the resistance value of each winding by using the multi-meter.
Compressor Checking
Measure the resistance value of each winding by using the tester
Figure 26. Input Terminal
Position
Resistance Value
Model
ASN98D22UFZ
ASK89D29UEZD
ASN140D21UFZ
ATF235D22UMT
Blue - Red
1.57(20°C/68°F)
1.99(20°C/68°F)
1.28(20°C/68°F)
0.75(20°C/68°F)
Blue - Black
Red - Blue
Table 15.
Compressor Terminal Resistance