07002
Carrier Transicold
Warning

C3 Chk Supply Air Sensor

Fault in the supply air sensor for compartment 3.

Possible causes

  • Open or shorted supply air sensor
  • Corrosion on connector terminals
  • Electromagnetic interference in the wiring

Recommended actions

  • Visually inspect C3 sensor wiring
  • Test sensor resistance (Ohms) against temperature
  • Clean and tighten connector contacts
  • Replace sensor if out of tolerance

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