Viessmann VITOTRONIC 100 GC1 Installation And Service Instructions Manual page 98

Scanning service information
Scanning and Resetting the Service Display
98
Please note:
If a service is carried out before the service display appears, set the coding
address "24: 1" and then coding address "24: 0".
When the limit values selected via
coding addresses "1F", "21" and "23"
(see page 120) are reached, one of the
following displays flashes on the
programming unit:
Display Meaning
a 245
°C Max. flue gas
temperature reached
35510
Number of burner hours
h
run reached
12
Time interval
u
(e.g. 12 months)
reached
1. Scan the service messages with the
or button.
2. Press .
After carrying out maintenance
1. Reset coding "24: 1"
(see page 120) to "24: 0".
2. If necessary:
Press .
Reset burner hours run and
number of burner starts with
the button.
Press .
3. If necessary:
Press and
simultaneously for approx.
4 seconds.
Reset maximum flue gas
temperature (8) to the actual
value by pressing .
Press .
The service display is turned off.
Please note:
An acknowledged service message
can be displayed again by pressing
(for approx. 3 seconds).
Please note:
If coding address "24" is not reset,
the service display will re-appear on
Monday morning.
See "Temperatures, boiler coding
cards and scans" on page 93.
See "Scanning operating status
information" on page 97.