There Is No Hot Water - Viessmann Vitotronic 200 Operating Instructions For The System User

What to do if...

There is no hot water

Cause
The heat pump is off.
Heat pump control unit or remote control
incorrectly adjusted.
"Note", "Warning" or "Fault" is dis-
played.
" " flashes and "Note" is displayed
Cause
Reference to a special event or operating
state of the heat pump or heating sys-
tem.
" " flashes and "Warning" is displayed
Cause
Warning in connection with a special
event or operating state of the heat pump
or heating system.
" " flashes and "Fault" is displayed
Cause
Heat pump or heating system fault.
52
Remedy
■ Switch the ON/OFF switch " " ON
(see diagrams from page 19).
■ Switch ON the main isolator, if installed
(outside the boiler room).
■ Reset the MCB in the power distribution
board (main domestic MCB).
Check settings and correct if required:
■ DHW heating must be enabled (see
page 34).
■ DHW temperature (see page 34).
■ Time program DHW heating (see
page 35).
■ Time (see page 45).
Scan the type of message and acknowl-
edge it (see page 49). If necessary, notify
your heating contractor.
Remedy
Proceed as described on page 48.
Remedy
Proceed as described on page 48.
Remedy
Proceed as described on page 48.