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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