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9-3-4. Only compressor does not run.
• Check compressor motor
capacitor.
• Measure resistance of
compressor motor winding.
• Measure Power supply
voltage.
The voltage is too low.
CAUTION
9-3-5. Function of outdoor fan speed control does not work properly.
• Check thermostat in outdoor unit.
Refer to 8-5 "Outdoor Fan Speed Control."
Internal protetctor is
working.
Temperature of compressor
is abnormally high.
Refrigerant gas shortage.
No
Rotor may be locked up.
For compressor replacement
refer to "10-5. In case of
compressor malfunction".
In case of leakage, do not add refrigerant. The unit must be vacuumed
and recharged. This is because composition of refrigerant in the unit
has been changed due to leakage. See "10-6. In case refrigerant is leaking".
YES
YES
YES
NO
YES
38
Recover refrigerant. (R410A)
Evacuate the air conditioner.
Charge refrigerant in liquid
state.
(R410A)
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