How to check Airconditioner parts and components
Sensor
Sensor can be checked with multimeter set on 200k range, value of sensor should be above 1k and under 100k.
Fan motor
Ac fan motor can be checked with applying series voltage on black and red wire without any load connected to motor, if fan rotates then replace capacitor.
DC fan motor are not easy to check with dc voltage, you need to check it by spcial tool or multimeter.
Compressor
compressor can be checked 50% by multimeter, set the multimeter on continuity or diode mode and check one by one of 3 terminal.
Inverter compressor terminals resistance should be equal to each other while AC compressor terminals winding resistance are not same or equal.
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