A7 E displayed — General fault in the heating appliance

What does A7 E mean?

The display shows 'A7 E', which is an example of a general error from the main heating appliance. This code indicates a fault within the boiler itself, not specifically the control unit.

• Various internal faults within the main heating appliance.

Click steps to track your progress.

1. 1

   Note down the specific error code displayed on your boiler (e.g., A7 E).

2. 2

   Refer to the main heating appliance's documentation for specific troubleshooting steps related to the displayed fault code.

3. 3

   If unable to resolve, contact a qualified heating engineer for diagnosis and repair of the heating appliance.