Operating instructions

Function Key combination Exit Page
Temperatu res, boiler cod -
ing card an d brief scans
Press K and G simulta-
neously for a pprox.
2 seconds
Press d.63
Relay test Press K and d simulta-
neously for a pprox.
2 seconds
Press d.67
Max. output (heating
mode)
Press K and F simulta-
neously for a pprox.
2 seconds
Press d.17
Operating conditi on Press c.Pressc.69
Maintenance sca n c (if "Maintenance"
flashes)
Press d.37
Adjusting the display con-
trast
Press d and b simulta-
neously; disp lay darkens
––
Press d and a simulta-
neously; disp lay becomes
lighter
––
Error history Press G and d simulta-
neously for a pprox.
2 seconds
––
User check (in conjunc-
tion with LON system)
Press L and d simulta-
neously for a pprox.
2 seconds
––
Emissions test function
"S"
Press F and E simulta-
neously for a pprox.
2 seconds
––
Coding level 1
Plain tex t display
Press K and L simulta-
neously for a pprox.
2 seconds
––
Coding level 2
Numerical display
Press L and G simulta-
neously for a pprox.
2 seconds
––
Service level summary
62
Service scans
5692 548 GB