What To Do If; Rooms Are Too Cold; Rooms Are Too Hot; Î Flashes In The Display - Viessmann VITOTROL 100 Operating Instructions Manual

What to do if...

Rooms are too cold

Cause
Vitotrol 100 is incorrectly set up
Wireless connection to the boiler control
unit interrupted (only for the Vitotrol 100,
type UTDB-RF with wireless connec-
tion).
At the receiver unit, the display A
flashes.
Note
For further causes, see the boiler oper-
ating instructions

Rooms are too hot

Cause
Vitotrol 100 is incorrectly set up
Note
For further causes, see the boiler oper-
ating instructions
Î flashes in the display
Cause
Batteries spent
22
Remedy
Check and correct settings if required:
■ Program (see page 10)
■ Room temperature (see page 13)
■ Time (see page 18)
Change the address code (see
page 24).
Remedy
Check and correct settings if required:
■ Program (see page 10)
■ Room temperature (see page 13)
■ Time (see page 18)
Remedy
Battery replacement (see page 23)
Disposal
Batteries/rechargeable batteries should
not be disposed of in domestic waste.
Always dispose of spent batteries/
rechargeable batteries via an authorised
collection site.