7-3-3. Only compressor does not run.
A. Check setting temperature.
B. Check compressor and electrical parts.
●
If the unit is turned off during cooling, DO NOT restart it immediately, as this can damage it. Wait at least three
minutes before starting it again.
CAUTION
• Check compressor motor
capacitor.
• Measure resistance of
compressor motor winding.
NO
YES
YES
Internal protector is working.
YES
Temperature of compressor
is abnormally high.
Refrigerant gas shortage.
Charge refrigerant gas (R22).
Rotor may be locked up.
• Measure power supply
voltage.
The voltage is too low.
No
NO
Is room temperature too low ?
Try to lower setting temperature by
thermostat knob COOLER.
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