P00148
Carrier Transicold
Critical

Check SV1 Circuit

Failure in solenoid valve 1 (SV1) circuit.

Possible causes

  • Burned SV1 coil
  • Loss of ground in the connector
  • Transistor output issue on the microprocessor

Recommended actions

  • Check SV1 coil resistance
  • Check voltage on wire SV1-EN
  • Replace valve or coil if necessary

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