25401
Carrier Transicold
Warning
Over Current STP4
Overcurrent detected in the stepper motor 4 (STP4) circuit.
Possible causes
- Burned out actuator
- Short circuit in harness
- Stuck mechanical component
- Driver chip failure on the board
Recommended actions
- Test STP4 coil resistance
- Inspect harness for hot spots
- Manually move actuator if possible
- Replace STP4 actuator
Can't find your code? Talk to an expert
$150
One-on-one phone session with a Low Temp refrigeration tech. Emergency temporary assistance only.
Other Carrier Transicold codes
Need a professional diagnosis?
Low Temp Service — refrigeration experts in Florida.