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ENGLISH
If the burner is locked out, there will be a steady red light on the lock out pushbutton.
By pressing the transparent pushbutton, the control and checking device will be released.
By pressing it for more than 3 seconds, the diagnosis stage will be activated (red light flashes rapidly).
The table below describes the causes of the lock out or fault in relation to the number of flashes (always red).
The diagnosis function is interrupted by pressing the release button for at least 3 seconds.
DIAGNOSIS OF LME EQUIPMENT FAULTS AND LOCK OUT
Description of operating anomalies
Visual indication
Possible causes
2 flashes
Y
Y
No flame signal
-
Faulty fuel valves
-
Faulty flame detector
-
Incorrect burner setting, no fuel
-
No ignition
3 flashes
Y
Y
Y
4 flashes
Y
Y
Y
Y
Stray light on ignition
5 flashes
Y
Y
Y
Y
Y
Not used
6 flashes
Y
Y
Y
Y
Y
Y
Not used
7 flashes
Y
Y
Y
Y
Y
Y
Y
No flame signal during operation
-
Faulty fuel valves
-
Faulty flame detector
-
Incorrect burner setting, no fuel
8 flashes
Y
Y
Y
Y
Y
Y
Y
Y
9 flashes
Y
Y
Y
Y
Y
Y
Y
Y
Y
Not used
Not used
10 flashes
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Incorrect electrical connection or damage to equipment
14 flashes
Y
Y
Y
Y
Y Y Y Y
Y
Y
Y
Y
Y
Y
-
Air pressure switch failure
-
Air pressure switch loss of signal after T10
-
Air pressure switch contact open
Open thermostats switch line
