Fault Indicator On Display; Resetting A Burner Fault - Viessmann VITODENS 111-W Operating Instructions Manual

What to do if...

Fault indicator on display

In the case of a fault with your heating system, the dis-
play will show and the fault code.
You can check the fault code on the display and then
notify your heating contractor accordingly. This allows
the heating contractor to better prepare for the service
call and may save additional travelling costs.

Resetting a burner fault

Note
If " " flashes and "R" appears on the display, the
burner is locked out.
Fig. 11
Touch "R" for approx. 2 seconds. If the fault no longer
exists, the default display will appear.
Notify your heating contractor if the fault recurs.
Danger
If faults are not rectified, they can have life
threatening consequences.
Do not reset the burner fault several times in
quick succession. Notify your heating contractor
if a fault recurs. Your heating contractor will be
able to analyse the cause and rectify the fault.
18
If flashes and "R" appears, the burner is locked out.
See the following chapter.
Fig. 10