Technical data

Scanning service information
78
Scanning and resetting the ”Service” display
When the limit values selected via coding addresses ”1F”, ”21” and ”23” (see
page 120) are reached, the ”Service” display flashes on the programming unit.
Please note:
If a service is carried out before ”Service” is displayed, set the coding address
”24: 1” and then coding address ”24: 0”.
Press
. Service scan is activated.
Scan the service messages with the
or button.
Press and confirm the display
”Acknowledge: Yes” by pressing
.
The ”Service” display is
extinguished.
Please note:
An acknowledged service
message can be displayed again
by pressing (for approx.
3 seconds).
Press
. Service scan is terminated.
After carrying out maintenance,
reset coding ”24: 1” (see page 120)
to ”24: 0”.
If coding address ”24” is not
reset, the ”Service” display will
re-appear at 07:00 hrs on Monday.
If necessary: After carrying out
maintenance
Press .
Reset burner hours run, number
of burner starts and fuel
consumption.
Press .
See ”Scanning operating status
information” on page 77.
If necessary: After carrying out
maintenance
Press
and rw simultaneously
for approx. 4 seconds.
Reset ”Max. flue gas temp.” to
the current value by pressing D.
Press .
See ”Temperatures, boiler coding
cards and scans” on page 74.
5285 941 v.1.5
Service
MFlue gas temperature
°C
220
Boiler temperature
61