Argoclima AE522SC3 Manuel de service télécharger pdf (Page 44)

42

3) ONLY COMPRESSOR DOES NOT RUN

a) Single phase systems 230V - 1 - 50 Hz

OK

YES

OK

NO

OK

YES

NO

YES

YES

Refrigerant gas shortage.

Rotor may be locked up.

Temperature of compressor

is abnormally high.

Either overload relay or

internal protector is working.

(Either OLR or 49C).

Replace compressor.

Charge refrigerant gas

(R22)

Check compressor motor

capacitor. (Either C1 or BC).

Check power supply voltage.

Voltage is abnormally low.

Check compressor.

There is a possibility of

locked rotor.

Measure resistance of

compressor motor winding.

Outdoor unit AE522SH

Check continuity between

terminals on the magnetic

contactor (MG).

Contact power utility company to

have power voltage restored to

normal

90% or more of

rated voltage.

YES

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