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10-3-3. Only compressor does not run.
• Check compressor moter
capacitor.
• Measure resistance of
compressor motor winding.
• Measure Power supply
voltage.
The voltage is too low.
10-3-4. Only flap motor does not run.
• Measure resistance of flap motor
winding.
overload relay is working.
(C2, C3)
Temperature of compressor
is abnormally high.
Refrigerant gas shortage.
No
Rotor may be locked up.
(OLR 1 to 4)
YES
YES
YES
NO
28
Charge refrigerant gas (R22).
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