Î Flashes In The Display; Changing The Batteries - Viessmann VITOTROL 100 Operating Instructions Manual

Î flashes in the display
Cause
The batteries are spent.

Changing the batteries

Disposal
Batteries/rechargeable batteries should
not be disposed of in domestic waste.
Always dispose of spent batteries/
rechargeable batteries via an authorised
collection site.
Remedy
Change the batteries (see next chapter).
The Vitotrol 100 has a battery backup of
3 min. If you replace the batteries within
this time, all set details will be retained.
After the power reserve has been excee-
ded, carry out a reset (see next chap-
ter).
Note
If the batteries are not changed, the dis-
play switches off.
Central heating and DHW heating are
carried out according to the settings on
the boiler control unit.
■ Use only alkaline batteries, 1.5 V
Mignon alkaline cells, type LR6/AA
that do not contain noxious substan-
ces.
■ Never use rechargeable batteries.
■ Replace both batteries every 18
months.
What to do if...
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