What To Do If; Rooms Are Too Cold; Rooms Are Too Hot; There Is No Hot Water - Viessmann VITOTROL 100 Operating Instructions For The System User

Rooms are too cold

Cause
Vitotrol 100 is incorrectly set.
The wireless connection to the boiler con-
trol unit has failed.
Note
For further causes, see the boiler oper-
ating instructions.

Rooms are too hot

Cause
The Vitotrol 100 is incorrectly set.
The wireless connection to the boiler con-
trol unit has failed.
Note
For further causes, see the boiler oper-
ating instructions.

There is no hot water

Cause
The Vitotrol 100 is incorrectly set.
The wireless connection to the boiler con-
trol unit has failed.
Remedy
Check settings and correct if required:
■ Program (see page 11)
■ Room temperature (see page 14)
■ Time (see page 23)
Change the address code (see
page 30).
Remedy
Check settings and correct if required:
■ Program (see page 11)
■ Room temperature (see page 14)
■ Time (see page 23)
Change the address code (see
page 30).
Remedy
Check settings and correct if required:
■ Starting DHW heating (see page 19)
■ Program (see page 21)
■ Operating mode (see page 19)
■ Time (see page 23)
Change the address code (see
page 30).

What to do if...

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