172 425 16 08-01
4(5)
ELECTRIC EQUIPMENT
Control diagnosis under fault conditions and lockout indication
Gas burner control: LME....
Colour codes
Diagnostics alarm trigger
The red alarm signal lamp lights continuously after the alarm is disconnected.
Diagnostics for alarm triggers can be read as specified by the following sequence:
Limit on start attempts
LME 11 … limits the number of start attempts if the flame 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.
Continuous
Off
Red
Yellow
Green
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 flame signal
□○□○□○□○□○
Flashing green
Prohibited flame signal during start up
□▲□▲□▲□▲□▲
Green-Red
Undervoltage
●▲●▲●▲●▲●▲
Yellow-Red
Disruption, alarm
▲…………………
Red
Flashing code for fault codes
▲○ ▲○ ▲○ ▲○
Flashing red
Interface diagnostics
▲▲▲▲▲▲▲▲
Red flickering
Light period (waiting time ≥ 10 s)
AL
FS
Flash code
Pause
Flash code
Approx. 3 s
lights red
Press the reset
button > 3 s
Summary of Contents for STG 146
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