P00165
Carrier Transicold
Critical

Can Not Pump Down

The system failed to perform internal vacuum (Pump Down) within the established time.

Possible causes

  • Leaking liquid line solenoid valve
  • Damaged compressor valve plates
  • Excessive refrigerant charge

Recommended actions

  • Check liquid solenoids for tight shut-off
  • Perform compressor efficiency test
  • Check refrigerant and moisture levels

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