16
List of components
Function LME22
172 445 12 16-01
ELECTRICAL EQUIPMENT
Control program when disruption; disruption display
Gas burner control: LME....
Diagnostics alarm trigger
Colour codes
Limit on start attempts
LME 11 … limits the number of start attempts if the fl ame does not ignite on start-up
or goes out during operation. LME 11 … permits a maximum of three start attempts
if the start cycle is uninterrupted.
The red alarm signal lamp lights continuously after the alarm is disconnected.
Diagnostics for alarm triggers can be read as specifi ed by the following sequence:
Colour code table for multi-coloured signal lamps (Light diodes)
Status
Colour codes
Colours
Waiting time «tw», other waiting times
Off
Ignition phase, ignition checked
Flashing yellow
Normal operation
Green
Operation, poor fl ame signal
Flashing green
Prohibited fl ame signal during start up
Green-Red
Undervoltage
Yellow-Red
Disruption, alarm
Red
Flashing code for fault codes
Flashing red
Interface diagnostics
Red fl ickering
Continuous
Off
Red
Yellow
Green
Light period (waiting time 10 s)
AL
FS
Flash code
Pause
Flash code
Approx. 3 s
lights red
Press the reset
button > 3 s
4(5)
to normal mode, hold the reset button depressed for more than 3 s. If the fi ring unit is
Connecting signal amplifi er
Red fl ashing code on
Possible causes
Flashing 2 x
No fl ame at End of «TSA»
••
- Defective or obscured fl ame monitor
Flashing 4 x
Prohibited fl ame signal during start up
Flashing 7 x
Too many loss of fl ame during operation
- Defective or obscured fl ame monitor
Summary of Contents for BG 550 LN
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