25301
Carrier Transicold
Warning

Over Current STP3

Overcurrent detected in the stepper motor 3 (STP3) circuit.

Possible causes

  • Valve coil or actuator shorted
  • Mechanically seized mechanism
  • Moisture in the connector
  • Stripped wiring

Recommended actions

  • Inspect STP3 actuator cables
  • Perform ohm test on stepper motor
  • Check mechanical operation of the component
  • Clean and dry connectors

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