P00188
Carrier Transicold
Warning

Check Heater 2 Circuit

Fault detected in the Heater 2 circuit, preventing effective defrost or heating.

Possible causes

  • Open heating element
  • Failure in KR contactor
  • Damaged power wiring

Recommended actions

  • Measure heating circuit amperage
  • Check voltage at contactor output
  • Inspect cables for hotspots

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