Code 73 — Contactor shorted

¿Qué significa 73 ?

The contactor, an electrical switch, is shorted. This means it is stuck in a closed position when it should be open, potentially causing continuous operation or damage.

• Faulty contactor
• Wiring short to the contactor coil
• Over-voltage condition

Haga clic en los pasos para seguir su progreso.

1. 1

   Visually inspect the contactor for signs of burning or damage.

2. 2

   Check wiring connected to the contactor for shorts.

3. 3

   Test the contactor coil resistance.

4. 4

   Contact an HVAC technician for contactor replacement.