Service Scans; Service Level Overview - Viessmann VITODENS 200-W Service Instructions Manual

Service scans

Service level overview

Function
Temperatures, boiler cod-
ing card and brief scans
Relay test
Max. output (heating
mode)
Operating conditions and
sensors
Service scan
Adjusting the display con-
trast
Calling up acknowledged
fault messages
Fault history
Subscriber check (in con-
junction with LON)
Emissions test function
"S"
Coding level 1
Plain text display
Coding level 2
Numerical display
Resetting codes to their
delivered condition
56
Key combination
Press K and G simulta-
neously for approx. 2 s
Press K and d simultane-
ously for approx. 2 s
Press K and F simulta-
neously for approx. 2 s
Press c
c (if "Service" flashes)
Press d and a simultane-
ously; the display darkens
Press d and b simultane-
ously; the display becomes
lighter
Press d for approx. 3 s
Press G and d simulta-
neously for approx. 2 s
Press L and d simultane-
ously for approx. 2 s
Weather-compensated con-
trol unit:
Press F and E simulta-
neously for approx. 2 s
Constant temperature con-
trol unit:
Press O and F simulta-
neously for approx. 2 s
Press K and L simultane-
ously for approx. 2 s
Press L and G simulta-
neously for approx. 2 s
Press L and G simulta-
neously for approx. 2 s; then
e
Exit Page
Press d 57
Press d 60
Press d 16
Press d 61
Press d 34
– –
– –
65
Press d 65
Press L and
33
d simultane-
ously
Press F –
and E or
O and F
simultane-
ously for
approx. 1 s,
alternatively
automatic
after 30 min
Press K and 35
L simultane-
ously for
approx. 1 s
Press L and 38
G simulta-
neously for
approx. 1 s
– 55