38
11-3-3. Only compressor does not run.
11-3-4. Only flap motor does not run.
• Check compressor moter
capacitor.
• Measure resistance of
compressor motor winding.
NO
YES
YES
Overload relay is working.
(OLR 1 to 4)
YES
Temperature of compressor
is abnormally high.
Refrigerant gas shortage. Charge refrigerant gas (R407c).
Rotor may be locked up.
(C2, C3)
• Measure Power supply
voltage.
The voltage is too low.
No
• Measure resistance of flap motor
winding.
