41
Faults with indication on the display and programming unit (fault
codes)
Message codes
Message
code
System characteris-
tics
Cause
Measures
A
Burner does not start Gas supply pres-
sure too low; gas
pressure limiter
switches off
Check gas flow pressure;
check gas pressure lim-
iter
A
Burner does not start Lack of gas
Notify your gas supply util-
ity
c00
Burner does not
start.
New parameter
memory stick
Data transfer from
the new parameter
memory stick with
a password
Enter password (hexa-
decimal number between
0 and 255 or 00 and FF).
See installation instruc-
tions, burner components
F
Burner is in a fault
state
See fault code
See fault code steps
F1 (flash-
ing)
Burner does not start Parameter mem-
ory stick not plug-
ged in correctly or
faulty
Check parameter memory
stick or replace. See
installation instructions,
burner components
F2 (flash-
ing)
Burner does not start Connected display
is invalid
Use current display
9
Maintenance pro-
gram
Lack of gas at the
gas pressure lim-
iter VPS or safety
chain not closed.
Check the fault in
the fault memory;
burner will restart
automatically in
accordance with
the time program.
Burner starts auto-
matically after
2 min, after 5 min
and then after 1 h
Reset by holding down
the reset button until "9"
flashes
Troubleshooting
Diagnosis
5692 908 GB