Midea MISSION2 3D INVERTER Series, Service Manual

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Tr
oubleshooting
 Page 84 
5. Troubleshooting by Error Code
5.1 Common Check Procedures
5.1.1 Temperature Sensor Check
Disconnect the temperature sensor from PCB, measure the resistance value with a tester.
Temperature Sensors.
Room temp.(T1) sensor,
Indoor coil temp.(T2) sensor,
Outdoor coil temp.(T3) sensor,
Outdoor ambient temp.(T4) sensor,
Compressor discharge temp.(Tp) sensor.
Measure the resistance value of each winding by using the multi-meter.
5.1.2 Compressor checking
Measure the resistance value of each winding by using the tester.
Position Resistance Value
ASN98D22UFZ ATM115D43UFZ2 ATF235D22UMT
Blue - Red
1.57
Ω
(20°C/68°F) 1.87
Ω
(20°C/68°F) 0.75
Ω
(20°C/68°F) Blue - Black
Red - Blue