Function
Key combination
Exit
Page
Temperatures, boiler cod-
ing card and brief scans
Press
K
and
G
simulta-
neously for approx.
2 seconds
Press
d
.
63
Relay test
Press
K
and
d
simulta-
neously for approx.
2 seconds
Press
d
.
67
Max. output (heating
mode)
Press
K
and
F
simulta-
neously for approx.
2 seconds
Press
d
.
17
Operating condition
Press
c
.
Press
c
.
69
Maintenance scan
c
(if "Maintenance"
flashes)
Press
d
.
37
Adjusting the display con-
trast
Press
d
and
b
simulta-
neously; display darkens
–
–
Press
d
and
a
simulta-
neously; display becomes
lighter
–
–
Error history
Press
G
and
d
simulta-
neously for approx.
2 seconds
–
–
User check (in conjunc-
tion with LON system)
Press
L
and
d
simulta-
neously for approx.
2 seconds
–
–
Emissions test function
"
S
"
Press
F
and
E
simulta-
neously for approx.
2 seconds
–
–
Coding level 1
Plain text display
Press
K
and
L
simulta-
neously for approx.
2 seconds
–
–
Coding level 2
Numerical display
Press
L
and
G
simulta-
neously for approx.
2 seconds
–
–
Service level summary
62
Service scans
56
92
548
GB
Summary of Contents for VITODENS 333
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