Service manual

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9-3 Other Troubleshooting
Trouble Cause Action
1. Tripped due to
the overcurrent
in motor
1) Compressor is tripped.
- Foreign substance in the compressor
- Damage to the wrap of the compressor
- Low voltage
2) Open-phase/Unbalanced power supply
3) Deteriorated coil in the motor
4) Failure of OCR
1) Contact the distributor.
- Improve the power supply.
2) Improve the power supply.
3) Check the motor.
4) Readjust or replace.
2. Noise and
Vibration
1) Fixing bolts are loose.
2) Noise from the compressor
- Bearing is worn out or damaged.
- Foreign substance in the compressor
3) Improper belt tension and the damage to
the parts
4) Inadequate installation of the compressor
5) Failure of cooling fan (dust or damaged)
1) Readjust.
2) Contact the distributor.
3) Realign or replace the belt.
4) Reinstall the compressor.
5) Clean or replace the fan.
TROUBLESHOOTING