- 32
-
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
LME EQUIPMENT
The release pushbutton on the equipment is the main component for accessing all the diagnostic functions (activation and
deactivation) as well as for releasing the control and checking device. The release pushbutton has a multicoloured led
which indicates the state of the control and checking device during operation and when the diagnostic function is in use.
EQUIPMENT STATE INDICATORS
Description
Condition Colour
sequence
Standby, other intermediate states
No light
Ignition stage
Yellow, flashing
Correct operation
Green
Incorrect operation, current level of
flame detector below permitted minimum
Green, flashing
Drop in voltage
Alternating yellow red
Burner lock out
Red
Fault (see table)
Red, flashing
Stray light before burner ignition
Alternating green red
Rapid flashing for diagnostics
Red, rapid flashing
Summary of Contents for EM 12-E
Page 2: ......
Page 21: ...21 ITALIANO...
Page 39: ...39 ENGLISH...
Page 57: ...57 FRAN AIS...
Page 75: ...75 DEUTSCH...
Page 93: ...93 ESPA OL...
Page 100: ...100 2 4 3 4 fi fi 5 fi 1 fi fi fi fi fi fi fi fi EM 12 E fi 2 4 6 10 EM 18 E fi 102 16 4...
Page 104: ...104 3 sec 3 sec LME 10 Y KEYH LME led...
Page 109: ...109 fi fi fi fi fi fi CO2 CO fi fi fi fi fi 1 2 3 4 5 fi fi fi fi fi fi fi fi fi fi 4 5 1 2 3...
Page 110: ...110 1 A B A B 2 fi A B C A B C fi 3 fi A fi fi A...
Page 111: ......
