89-05 — Heat exchanger freeze-up protection activated during cooling operation. (error)

¿Qué significa 89-05 ?

The system has detected a freeze-up in the heat exchanger during the cooling operation and has activated protection. This is an error.

• Low refrigerant charge
• Blocked airflow to the indoor coil
• Faulty indoor fan

Haga clic en los pasos para seguir su progreso.

1. 1

   Ensure indoor unit air filters are clean.

2. 2

   Check for obstructions around the indoor unit.

3. 3

   Verify the indoor fan is operating correctly.

4. 4

   A technician should inspect refrigerant levels and airflow.