04001
Carrier Transicold
Warning
Check Remote Switch 4
Failure or abnormal status detected in auxiliary remote switch 4.
Possible causes
- Open circuit in remote switch 4
- Corrosion on switch terminals
- Incorrect switch configuration in microprocessor
Recommended actions
- Inspect physical condition of switch 4
- Clean contacts and retighten terminals
- Check input signal at microprocessor
- Verify activation logic (N.O. or N.C.)
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