BFI Automation 3016, Original Operating Instructions

Page: 47 / 56

Failures
8-1
8 Failures
Problem: Display: Cause: Remedy:
No flame -
ON signal
after the
burner has
been
started No analogue
signal
LED “Flame”
OFF
LED sensi-
tiveity I/II
OFF
Flame ampli-
fier is not op-
erational Check power supply
Check fuse F1 (T 0.5
amps)
Replace flame ampli-
fier
Check electrical con-
nection
1.bar is on
(FF)
LED “Flame”
OFF Flame signal
too low Check flame scanner
Check / set sensitivity
2.bar is on
(FD) Flame scan-
ner or cable
defect Check flame scanner
Check cable
3.bar is on Clock cycle is
too long Send unit to the repair
center
4.bar is on Clock cycle is
too short Send unit to the repair
center
5.bar is on
(MP) Monitor chan-
nel and proc-
ess channel
are unequal Send unit to the repair
center
Analogue
signal 25 -
100 %
LED “Flame”
ON
Relay contact
or wiring prob-
lem Check fuse F102 (T 1
amp)
Check electrical con-
nection
Burner trips Analogue
signal falling.
Below 25 %,
switch off RF
+ RM. No flame,
weak flame
signal Check flame
Check flame scanner
Check flame scanner
alignment, sight tube
and lens
Increase sensitivity
setting
Replace flame scan-
ner
Replace flame ampli-
fier
Check electrical con-
nection
Table 8