P00149
Carrier Transicold
Critical

Check SV3 Circuit

Failure in solenoid valve 3 (SV3) circuit.

Possible causes

  • Defective SV3 solenoid
  • Damaged evaporator wire harness
  • Actuator driver failure

Recommended actions

  • Apply 12V externally to test actuation
  • Check pinout on controller connector
  • Replace wiring if shorted

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.

Have a question? Ask the community

Thousands of refrigeration mechanics read and answer for free. Post your case in under 1 minute.

Need a professional diagnosis?

Low Temp Service — refrigeration experts in Florida.

Contact us