Operating instructions

111
Service scans
Scanning and resetting maintenance displays
After limits set up via coding addresses "1F", "21" and "23" (see page 144)
have been reached, the programming unit display flashes one of the
following messages, and the red fault indicator flashes.
Note
Set code "24:1" and then code "24:0", if maintenance is implemented before
"Service" is displayed; the set maintenance parameters for hours run and
intervals are reset to 0.
Display
indication
Description
a 245
ºC Max. flue gas temp.
has been reached
35510
h
Burner hours run have
been reached
12
u
Interval
(e.g. 12 months)
has been reached
1. Scan maintenance messages
with a or b.
2. Press d.
The "Service" display
extinguishes, and the red fault
indicator continues to flash.
Note
An acknowledged maintenance
message can be redisplayed by
pressing d(approx. 2s).
After maintenance has been carried out
1. Reset code "24:1" (see page 145) to
"24:0".
Note
If coding address "24" is not reset,
a new "Service" message will be
displayed on Monday morning.
2. If required:
H Press c.
H Reset burner hours run and
burner starts with e
(see page 109).
H Press c.
3. If required:
H Press K and G
simultaneously for approx. 4s
H Max. flue gas temperature (8)
reset with e to the actual value
(see page 107).
H Press d.
5862730GB