Operating instructions

Function Key combination Exit Page
Temperatu res, boiler c od-
ing card, bri ef scans
K and G si multaneousl y
for approx. 2 s
Press d 62
Relay test K and d simultaneously
for approx. 2 s
Press d 66
Max. output (heating
mode)
K and F si multaneousl y
for approx. 2 s
Press d 15
Operating conditi ons and
sensors
Press c Press d 67
Maintenance sca n c (if "Maintenance"
flashes)
Press d 38
Adjusting the display con-
trast
d and a simultaneously;
the display darke ns
––
d and b simultaneously;
the display becomes light-
er
––
Calling up acknowledged
fault message s
d for approx. 3 s 70
Fault history G and d si multaneous ly
for approx. 2 s
Press d 71
User check (in conjunc-
tion with LON system)
L and d simultaneously
for approx. 2 s
Press L
and d si-
multaneous-
ly
37
Emissions test function
"S"
Weather– compensated
control unit:
F and E simulta-
neously for a pprox. 2 s
Constant temperature con-
trol unit:
O and F simulta-
neously for a pprox. 2 s
F and E
or O and
F simulta-
neously for
approx. 1 s,
alternatively
will be se-
lected auto-
matically
after 30 min
–
Coding level 1 K and L simultaneously
for approx. 2 s
K and L
simulta-
neously for
approx. 1 s
39
Coding level 2 L and G si multaneousl y
for approx. 2 s
L and G
simulta-
neously for
approx. 1 s
41
Service level summary
61
Service scans
5692 619 GB