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
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