Troubleshooting; Faults Which Are Displayed At The Programming Unit; Troubleshooting Faults Which Are Displayed At The Programming Unit - Viessmann VITOTRONIC 100 Installation And Service Instructions Manual

Troubleshooting

Faults which are displayed at the programming unit

The red fault indicator flashes for every fault.
A fault code flashes in the display if a fault message has been issued (see
page 113).
1 Fault number
38 Fault code
U
Fault symbol
112
Call up further fault codes
with a or b.
A fault can be acknowledged
with d. The fault message in the
display will be hidden, but the red
fault indicator continues to flash.
A central fault messaging facility
connected to plug gÖ will be
switched OFF .
A new fault message will be
displayed if an acknowledged fault
is not removed by the following
morning.
Calling up acknowledged fault
messages
Press d for approx. 2 s.
The fault will then be displayed.
Select the acknowledged fault
with a or b.