E1 — Circuit board fault

Was bedeutet E1 ?

This indicates a general fault with a circuit board, likely in the outdoor unit. This board manages various operations.

• Defective circuit board
• Electrical issues affecting the board

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Turn off the main power to the unit at the circuit breaker.

2. 2

   Wait for at least 5 minutes before restoring power.

3. 3

   If the error code reappears, the circuit board likely needs professional replacement.