00057
Carrier Transicold
Warning

Check Remote Switch 1

Fail in the remote switch 1 circuit, usually related to door sensors or auxiliary switches.

Possible causes

  • Damaged or misaligned door sensor
  • Open door detected for excessive time
  • Cut remote switch wiring
  • Loose connection at APX controller

Recommended actions

  • Correctly close all compartment doors
  • Check door sensor magnet alignment
  • Verify wiring continuity to control
  • Test jumper on switch to rule out hardware failure

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