A904 - Controller fault: Call Tech Service

Was bedeutet A904 ?

The controller is experiencing a fault. This is a general error message indicating that technical service is needed.

• Controller malfunction
• Internal electronic fault

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check that the unit is properly powered.

2. 2

   Try resetting the unit by turning the power off and on.

3. 3

   Contact technical service for diagnosis.