FILE NO. SVM-04022
– 62 –
9-5-4. Only compressor does not operate
Shut off the power supply
from AC outlet once and turn
it on after 5 seconds.
Does the OPERATION lamp blink?
Does the power turn on by
pushing the [ ] button
of the remote control?
Is cable connection between indoor
and outdoor units correct?
Replace the
P.C. board.
See Power cannot be turned on .
NO
NO
NO
NO
YES
YES
YES
YES
YES
Are all the cords for compressor normal?
Is the compressor motor winding normal?
(Check the winding resistor.)
Is the capacitor for compressor normal?
Does the compressor start?
Compressor starts but
it stops after a while?
Re-wire or replace the defective cords.
Compressor is defective.
Capacitor is defective.
NO
NO
NO
NO
NO
YES
YES
YES
YES
Is the overload relay normal?
Overload relay is defective.
NO
YES
YES
YES
Is the gas quantity normal?
(Check the pressure)
NO
See Power cannot be turned on .
Compressor is defective
Gas shortage (Gas leakage)
Compressor is defective.
Cables between indoor and
outdoor units are defective.
Correct cabling between indoor
and outdoor units.
Relays (RY01)
or IC31 or IC30 is failure.
Is the voltage across the indoor terminal
the indoor terminal
(
1
−
2
) AC 220-240 V?
Is the voltage across the indoor terminal
the out door terminal
(
1
−
2
) AC 220-240 V?