Fault Diagnostics; Troubleshooting - Zetor COMPAX CL Series Operator's Manual

Fault Diagnostics

1. Troubleshooting

PROBLEM
1. Compressor Unusual sound Noise at the
Abnormal
speed
Refrigerant or
oil leakage
Excessive
pressure
2. Fan Low pressure
or not working
Fan cannot be
controlled
CABIN SYSTEM
CONDITION CAUSE
- Insufficient lubrication
input
- Belt tension released
Noise at the
output
- Loose console
- Clutch defect
Input cause - Damaged parts
- Clutch slipping
- No lubricant
Output cause - Belt tension released
Refrigerant or oil - Sealing washer damaged
leakage
- Loose head screws
- O-Ring damaged
Low, high - Clogged radiator
pressure
- Compressor
The fan is - Air supply clogged
running normally
- Freezing evaporator
- Fan switch damaged
- Compressor
The fan is - Engine fault
running
- Broken wire
abnormally
- Air leak - Pipe leak
Engine - Control switch fault
The engine is - Engine fault
running
abnormally
CORRECTIVE
MEASSURE
- Add
- Adjust
- Tighten the screws
- Check
- Check, replace
- Check, replace
- Add
- Adjust
- Replace
- Tighten the screws
- Replace
- Clean
- Replace
- Clean
- Minimum pressure
setting
- Replace the switch
- Replace
- Replace
- Replace
- Check, tighten
- Check
- Replace
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