Viessmann Vitoflame 100 Service Instructions Manual page 22

Burner control unit
Burner control unit
Burner fault sequence diagram
Reset burner con-
trol unit:
Press reset button for
approx. 1 s (<3 s)
Burner start
22
(cont.)
System cold
LED on burner control
unit illuminates red
Call up flashing
code:
Press reset button
until LED changes to
yellow (approx. 5 s
(>3 s))
Read off flashing
code and determine
its meaning from the
diagnosis table
Correct the fault
Reset burner con-
trol unit:
Press reset button for
approx. 1 s (<3 s)
Call up data transfer
via interface (acces-
sories):
■ Press reset button
again for approx.
5 s (>3 s); LED
flashes red
■ Press reset button
for approx. 5 s
(>3 s); LED flickers
red
Connect interface
(see interface operat-
ing instructions)
Correct the fault
Reset burner con-
trol unit:
Press reset button for
approx. 1 s (<3 s)