15003 — Defrost thermistor fault, circuit A

Was bedeutet 15003 ?

The sensor monitoring the temperature for defrost on circuit A has failed. The unit may display an alert or shut down.

• Defective thermistor
• Wiring issue with the defrost thermistor

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Inspect the wiring connecting to the defrost thermistor for circuit A.

2. 2

   Ensure the thermistor itself is not damaged.

3. 3

   Contact Carrier Service for assistance if the fault remains.