9-3-4. Only compressor does not run.
Check compressor motor capacitor.
Measure resistance of compressor motor winding.
Is overload relay (OLR) working ?
Yes
Is temperature of compressor abnormally high ?
Yes
Does refrigerant gas shortage ?
Yes
Charge refrigerant gas (R22).
Measure Power supply voltage.
Is the voltage too low ?
No
No
Rotor may be locked up.
49
