Viessmann Vitoflame 200 Service Instructions Manual page 21

Diagnostics
(cont.)
Fault/system
behaviour
Burner sooty
CO content
2
too low
Flue gas
temperature
too high
Burner runs,
constant red
flickering light
on oil burner
control unit
Flashing Cause
code red
at LMO 14
Too little or too much
air
Insufficient chimney
draught
Nozzle faulty
Flame tube extension
(for 15 to 33 kW)
missing
Incorrect setting
Infiltrating air
Oil consumption too
high
Boiler contaminated
Turbulators missing
from boiler
No fault, interface
diagnostic
Troubleshooting
Remedy
Correct setting.
Check and clean
impeller.
Check boiler room
ventilation.
Check flue and flue gas
baffles
Replace nozzle, install
correct nozzle (see
page 35)
Install flame tube
extension
Check setting (see
page 35)
Seal flue pipe at boiler
adaptor.
Retighten screws on
combustion chamber
cover and on flue outlet
cover.
Match oil flow to rated
output of boiler
Clean boiler and correct
burner settings
Install turbulators
Press reset button > 3 s
21