BFI Automation CFC 2000L, Original Operating Instructions

Page: 49 / 56

Failures
8-1
8 Failures
Problem: Display: Cause: Remedy:
No Flame
ON s ignal
after the
burner was
started
No mA output signal
Yellow LED
OFF
Green LED OFF
No data communica-
tion
Compact flame
controller not func-
tioning Check voltage supply
Replace compact flame controller
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 switch-
ing thresholds
Flame signal (soft-
ware) above the start-
ing thresholds
Yellow LED OFF
Red LED ON (soft-
ware) Device or self-test
fault Check fault memory
Possibly remove plug for 5 seconds
then start the burner again
Replace compact flame controller
Flame signal (soft-
ware) above the start-
ing 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 threshold, the
flame relay switched
off.
No flame, weak
flame signal Check flame
Inspect compact flame controller
Check alignment and lens
Check sensitivity setting
Check switching thresholds
Replace compact flame controller
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 seconds
then start the burner again
Replace compact flame controller