BFI Automation CFC 4000L, Original Operating Instructions

Page: 51 / 56

Failures
8-1
8 Failures
Problem: Display: Cause: Remedy:
No Flame
ON signal
after the
burner
was
started No mA output signal
Yellow LED OFF
Green LED OFF
No data communica-
tion
Compact flame
controller not
functioning Check voltage supply
Replace compact flame control-
ler
Check electrical connection
Flame signal (soft-
ware) low
Yellow LED OFF
Flame signal too
low or below the
starting threshold Inspect compact flame controller
Check flame, alignment, sighting
tube and lens
Check / set sensitivity and
switching thresholds
Flame signal (soft-
ware) above the
starting thresholds
Yellow LED OFF
Red LED ON (soft-
ware)
Device or self-
test fault Check fault memory
Possibly remove plug for 5 sec-
onds then start the burner again
Replace compact flame control-
ler
Flame signal (soft-
ware) above the
starting thresholds
Yellow LED ON
Green LED ON
Relay contact or
wiring problem Check fuse F3 in relay output
circuit
Check electrical connection
Burner
fails Flame signal (soft-
ware) drops. Below
the shut-off thresh-
old, the flame relay
switched off. No flame, weak
flame signal Check flame
Inspect compact flame controller
Check alignment and SKL-lens
Check FOC
Check sensitivity setting
Check switching thresholds
Replace compact flame control-
ler
Check electrical connection
Flame signal above
shut-off threshold
Yellow LED OFF
Device or self-
test fault Check fault memory
Possibly remove plug for 5 sec-
onds then start the burner again
Replace compact flame control-
ler