Technibel MCAF92R5TA Technical Data & Service Manual page 34

6-3-4. Only compressor does not run.
• Check compressor motor
capacitor.
• Measure resistance of
compressor motor winding.
• Measure Power supply
voltage.
The voltage is too low.
Overload relay is working.
(Either OLR T or OLR A)
(C1)
Temperature of compressor
is abnormally high.
Refrigerant gas shortage.
No
Rotor may be locked up.
YES
YES
YES
NO
34
Charge refrigerant gas (R22).