The Display Is Dark; The Display Illumination Flashes; Calling Up Faults - Viessmann VITOSOLIC 200 Operating Instructions For The System User

What to do if...

The display is dark

Cause
Power failure
The power distribution MCB (main do-
mestic MCB) has responded (no mains
voltage is present).

The display illumination flashes

Cause
Solar thermal system fault.

Calling up faults

If any faults have occurred in your solar
thermal system, the display illumination
flashes and "Fault" appears on the
standard display.
30.04.2009
Tcol
Tcylb
Fault
Press the following keys:
1. for the "Main menu".
2. for "Messages".
3. OK to confirm.
4. / for causes of the current fault.
12
10:59
47.7 °C
35.4 °C
Remedy
The solar control unit automatically re-
turns to operation once the power supply
has been restored.
Check the MCB and inform your heating
contractor if necessary.
Remedy
Call up the fault (see following chapter)
and contact your local heating contractor
if necessary.
5. Make a note of the cause of the fault.
This enables the heating contractor to
be better prepared for the service call
and may save additional travelling
costs.
6. until the "Main menu"
appears.
Example of a fault message
Lead break, cylinder temperature sen-
sor
Messages:
Cyl set
! Interruption
>Sensor 2<