05009
Carrier Transicold
Critical

Check Standby Contactor 1

Failure in the electric mode (Standby) contactor number 1.

Possible causes

  • Open contactor coil
  • Mechanical binding of the contactor
  • Phase loss in mains power supply

Recommended actions

  • Check coil voltage at SC1
  • Clean or replace contacts if pitted
  • Verify diode bridge if applicable

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