Rooms Are Too Cold; Rooms Are Too Hot; Î Flashes On The Display; Replacing The Batteries - Viessmann VITOTROL 100 Operating Instructions Manual

What to do if...

Rooms are too cold

Cause
The Vitotrol 100 is set incorrectly.
The wireless connection to the boiler control unit is in-
terrupted (only for Vitotrol 100, type UTDB-RF with
wireless connection).
At the receiver unit, the display
Note
For further causes, see the boiler operating instruc-
tions

Rooms are too hot

Cause
The Vitotrol 100 is incorrectly set.
Note
For further causes, see the boiler operating instruc-
tions
flashes on the display
Î
Cause
The batteries are spent.

Replacing the batteries

■ Use only alkaline batteries, 1.5 V Mignon alkaline
cells, type LR6/AA that do not contain hazardous
substances.
Never use rechargeable batteries.
■
Replace both batteries every 18 months.
■
18
Remedy
Check the settings and correct if required:
■
■
■
Change the address code (see page 19).
flashes.
Remedy
Check the settings and correct if required:
■
■
■
Remedy
Change the batteries (see page 18).
Disposal:
Batteries should not be disposed of in domestic waste.
Always dispose of spent batteries via an authorised col-
lection site.
Time program for heating mode (see page 10)
Room temperature (see page 13)
Time (see page 15)
Time program (see page 10)
Room temperature (see page 13)
Time (see page 15)