Viessmann Vitodens 200 Service Manual page 81

Checking and acknowledging faults
Fault code Const.
in the dis-
play
F1 X
F2 X
F3 X
Weat- System
h. character-
comp. istics
X Burner in
fault state
X Burner in
fault state
X Burner in
fault state
Troubleshooting
(cont.)
Cause Remedy
Flue gas tempera- Check the
ture limiter has heating sys-
responded tem water
level. Vent
the heating
system.
Press reset
E no sooner
than after
20 minutes.
Temperature limiter Check the
has responded heating sys-
tem water
level. Check
the circula-
tion pump.
Vent the heat-
ing system.
Check the
temperature
limiter and
leads.
Press E
The flame signal is Check the
already present at ionisation
burner start electrode and
leads
Press E
81