04000
Carrier Transicold
Warning
Check Remote Switch 3
Failure or abnormal status detected in auxiliary remote switch 3.
Possible causes
- Remote switch 3 wiring damaged
- Defective or stuck switch
- Poor ground connection
Recommended actions
- Locate and inspect remote switch 3
- Verify switch continuity
- Check wire harness for rubbing/chafing
- Reset alarm and test activation
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