15021 — Space temperature thermistor fault

¿Qué significa 15021 ?

The thermistor monitoring the space temperature has a fault. No specific action is taken, but system performance might be affected.

• Defective space temperature thermistor
• Wiring or connection issue

Haga clic en los pasos para seguir su progreso.

1. 1

   Verify the wiring to the space temperature thermistor.

2. 2

   Check the thermistor for any signs of damage.

3. 3

   Contact Carrier Service if you suspect performance issues.