Table of Contents
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3. Diagnosing malfunctions
(1) Tracing faults
1. Compressor
116
FAULT
SYMPTOM
Input sound
Unusual sound
Output sound
Input cause
Abnormal speed
Output cause
Refrigerant or oil
Refrigerant or oil
leakage
leakage
Low, high
Excessive pressure
pressure
CABIN SYSTEM
CAUSE
Lack of lubricant
Loose belt
Loose console
Clutch failure
Damaged parts
Clutch slips
No lubricant
Belt loosened
Sealing washer damaged Replace
Loose screw on the head Tighten
O-Ring damaged
Lack of refrigerant
Compressor
SOLUTION
Add
Adjust
Tighten the
screws
Check
Check, replace
Check, replace
Add
Adjust
Replace
Adjust
Replace
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Table of Contents
Troubleshooting
