The Dhw Is Too Hot; Ã" Flashes On The Display; E" Flashes On The Display - Viessmann VITODENS Series Operating Instructions Manual

What to do if...
There is no hot water
Cause
Symbol " " is displayed.
Symbol " " is displayed.

The DHW is too hot

Cause
The control unit is incorrectly adjusted.
"ã" flashes on the display
Cause
Heating system fault.

"E" flashes on the display

Cause
Heating system fault.
30
(cont.)
Remedy
Press "R" (see diagram on page 10).
Acknowledge the fault message with OK
(see page 25).
Notify your heating contractor of the fault
code if the fault reoccurs.
Notify your heating contractor of the fault
code.
Acknowledge the fault message with OK
(see page 25).
Remedy
Check and correct the DHW temperature
if required (see page 16)
Remedy
Notify your heating contractor of the fault
code.
Acknowledge the fault message with OK
(see page 25).
Remedy
Press "R" (see diagram on page 10).
Acknowledge the fault message with OK
(see page 25).
Notify your heating contractor of the fault
code if the fault reoccurs.