Manual Viessmann Vitotronic 200 - CO1E (page 37 of 60) (English)

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Cause Remedy

■Control unit incorrectly adjusted.

■The remote control (if installed) is set incorrectly.

Separate operating instructions

Check the settings and correct if required:

■Operating program (see page 15)

■Room temperature (see page 20)

■Time (see page 27)

■Time program, central heating (see page 21)

■Heating curve (see page 21)

"Fault" is displayed. Check what type of fault it is. Acknowledge the fault

(see page 31). If necessary, notify your contractor.

The mixer motor is faulty. Notify your heating contractor.

"External hook-up" enabled. No action required.

The operating program set at the control unit was e.g.

changed over via an externally connected button.

Example: In a school, heating demand exists outside of

school times, e.g. for a parents’ evening.

This function cannot be influenced via the control unit.

Once the external changeover no longer applies, the

set operating program becomes active again.

"External program" activated. The operating program set at the control unit has been

changed by another control device.

You can change the operating program on the Vitotron-

ic control unit.

There is no hot water

Cause Remedy

The heating system is off. ■Turn on the ON/OFF switch (see page 34).

■Switch ON the mains isolator if installed (outside the

boiler room).

■Set the MCB in the power distribution board (main do-

mestic MCB).

■Control unit incorrectly adjusted.

■The remote control (if installed) is set incorrectly.

Separate operating instructions

DHW heating must be set.

Check the settings and correct if required:

■Operating program (see page 15)

■DHW temperature (see page 25)

■Time (see page 27)

■Time programs for DHW heating (see page 25)

■Heating curve (see page 21)

No fuel. With oil or LPG:

Check the fuel reserves and re-order if required.

With natural gas:

Open the gas shut-off valve. If necessary, check with

your gas supply utility.

"Fault" is displayed. Check what type of fault it is. Acknowledge the fault

(see page 31). If necessary, notify your contractor.

What to do if...

Rooms are too hot

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Others manual(s) of Viessmann Vitotronic 200 - CO1E

Viessmann Vitotronic 200 - CO1E User Manual - German - 64 pages

Viessmann Vitotronic 200 - CO1E User Manual - Dutch - 64 pages

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Viessmann Vitotronic 200 - CO1E Manual

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