Viessmann VITOFLAME 200 Service Instructions Manual page 21

Diagnosis (burner control unit LMO 14. ...)
Burner fault flow chart
Reset the burner
control unit:
Hold in reset button
approx 1 s (t 3 s)
Burner start
Cold system
LED on burner control
unit illuminates red
Call up flashing code:
Press reset button
until LED changes
over to yellow
(approx 5 s (u 3 s))
Read off flashing
code and determine
its meaning from the
table from page 22
Correct the fault
Reset burner control
unit:
Hold in reset button
approx 1 s (t 3 s)
Burner start
Troubleshooting
(cont.)
Call up data transfer
via interface
(accessory):
H Hold in reset button
approx. 5 s (u 3 s):
LED flashes red
H Hold in reset button
again approx 5 s
(u 3 s):
LED flickers red
Connect interface
(see interface op−
erating instructions)
Correct the fault
Reset burner control
unit:
Hold in reset button
approx 1 s (t 3 s)
Burner start
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