Technical data

CodingCoding
50
Coding Level 2 (continued)
Resetting coding addresses to the factory default setting
1. Press “w“ + “r
rr
rw“
simultaneously for approx. 2 sec.
2. Press “ ”. “Factory set? Yes”
appears.
3. Press “ ” to confirm.
or
4. “⊕ / “ to select “Factory set?
No”.
Service Level Overview
Function Key combination Exit Page
Temperatures, boiler coding
card and brief scans
Press “9“ and “r
rr
rw“
simultaneously for approx.
2 sec.
Press
51
Relay test Press “9“ and “ “
simultaneously for approx.
2 sec.
Press
52
Max. output (heating mode) Press “9“ and “t
tt
tw
ww
w“
simultaneously for approx.
2 sec.
Press
17
Operating conditions and
sensors
Press “i“.
Press
53
Service scan Press “i“ (if ”Service”
flashes).
Press
36
Adjusting the display contrast
Press “ “and ”⊕”
simultaneously; the display
darkens.
--
--
Press “ “and ””
simultaneously; the display
becomes lighter.
--
--
Retrieving an acknowledged
fault message
Press “ “ for approx. 3
sec.
--
55
Fault history
Press “ “ and “r
rr
rw“
simultaneously for approx.
2 sec.
Press
55
Participant check (in
conjunction with LON)
Press “ “ and “w“
simultaneously for approx.
2 sec.
Press “ “and “w“
simultaneously.
35
Emissions test function
” ”
Press “tw” and “tm”
simultaneously for approx.
2 sec.
Press “tw” and “tm” or
“tr” and “tw”
simultaneously for approx. 1
sec, alternatively automatic
after 30 min.
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5418 911 v1.65418 911 v1.6