Scanning And Resetting The Maintenance Display - Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual

Service scans
Scanning and resetting the "Maintenance" display
After the limits set up via coding addresses 1F , 21 and 23 (see page 85) have
been reached, the programming unit display indicates the flashing
Maintenance message, and the red fault indicator flashes.
Note
Set code 24:1 and then code 24:0, if maintenance is implemented before
Maintenance is displayed; the set maintenance parameters for hours run and
periods are reset to 0.
Flue gas temp.
1
34
220
ºC
1. Press c.
Maintenance scan is activated.
2. Scan maintenance messages
with a or b.
3. Press d, confirm
Acknowledge: Yes with d.
Maintenance display extinguishes,
and the red fault indicator
continues to flash.
Note
An acknowledged maintenance
message can be redisplayed by
pressing d(approx. 3 s).