6840 - A-Control E6/E8 fault

¿Qué significa 6840 ?

This code refers to an A-Control fault, specifically E6 or E8, indicating communication issues between indoor and outdoor units.

• Indoor/outdoor communication error
• Incorrect power-up sequence
• Interference on communication lines

Haga clic en los pasos para seguir su progreso.

1. 1

   Refer to the E6 and E8 fault code explanations.

2. 2

   Ensure the indoor unit is powered on before the outdoor unit.

3. 3

   Check communication wiring for damage or loose connections.

4. 4

   Power cycle the system.