Troubleshooting Guide - Viessmann VITODENS 200 WB2 Series Operating Instructions & User's Information Manual

Diagnosis and Correction
TUESDAY, 25.06.97
15:20 HRS
PROGRAM
SPACE HEATING: ON
BOILER TEMP.: 53ºC
....FAULT...
INFO: OPEN COVER
FAULT SEARCH
FAULT:
OUTDOOR TEMP.
SENSOR
>HEATG. CONTRACTOR:i
>ACKNOWLEDGE:
If a fault occurs on your heating system, it will be displayed in the display window
with the cover closed. Using the scanning function, you can access the fault
cause in the display and inform your heating contractor accordingly.
Open cover and press the following buttons:
1. A for "Fault search".
The fault cause is displayed
in plain language or in
form of an error code.
2. i for "Heating contractor".
The address and telephone
number of your heating
A
contractor are displayed
(given the information was
entered at time of start-up).
3. i to exit the information menu.
4. A for "Acknowledge"

Troubleshooting Guide

The fault message and corresponding
alarm are cancelled. The fault
message will re-appear at 0:00 hrs the
following day if the fault has not been
addressed in the meantime.
29