00074
Carrier Transicold
Critical
AC Phase Reversed
External AC power phase is reversed, which can damage motors.
Possible causes
- Incorrect wiring in wall socket
- Repaired extension cord with crossed phases
- Utility grid instability
- Phase sequence sensor failure
Recommended actions
- Disconnect power supply immediately
- Use a phase tester on the grid socket
- Correct connector wiring if repaired
- Select Diesel operation while repairing
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.