Scanning And Resetting The "Service" Display - Viessmann VITOLADENS 300-W Installation And Service Instructions Manual

Further details regarding the individual steps

Scanning and resetting the "Service" display

After the limits specified in coding
addresses "21" and "23" in the "Boiler"
group have been reached, the red fault
indicator flashes and "Service" and
"¸" appear on the programming unit
display.
Acknowledging and resetting service
Press OK to acknowledge a service
message.
Note
An acknowledged service message that
was not reset reappears the following
Monday.
After a service has been carried out
(resetting service)
1. Press OK and å simultaneously
for approx. 4 s.
2. "Service functions"
3. "Service reset"
Note
The selected service parameters for
hours run and interval restart at 0.
Commissioning, inspection, maintenance
(cont.)
53