P00180
Carrier Transicold
Critical

Check Suction Mod Valve

Failure in the Suction Modulation Valve (SMV).

Possible causes

  • Damaged SMV stepper motor
  • Damaged SMV wiring strands
  • Internal mechanical wear of the valve

Recommended actions

  • Run SMV self-test
  • Check resistance for each motor phase
  • Replace valve if stuck

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