Remote Controller Sensor Failure

¿Qué significa E28 ?

The sensor within the remote controller has failed, leading to incorrect temperature or operational readings. This affects the indoor unit's ability to control room temperature accurately.

• Remote controller's internal temperature sensor (e.g., P12) is defective.
• Remote controller communication failure.
• Loose connection between remote controller and indoor unit.
• Remote controller firmware error.
• Power supply issue to the remote controller.

Haga clic en los pasos para seguir su progreso.

1. 1

   Verify the remote controller is receiving power and displaying correctly.

2. 2

   Test the remote controller's sensor functionality or replace with a known good unit for diagnostic purposes.

3. 3

   Inspect the remote controller's connection to the indoor unit for security and continuity.