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Bentone
7.3 Colour codes LMO14/24
When the burner starts, the light in the reset switch indicates the normal
sequence, and also indicates whether something abnormal is happening as
per the following table:
Preheater in operation Solid yellow
Ignition switched on Flashing yellow
Normal operation Solid green
Operation, poor flame signal Flashing green
Undervoltage Flashing yellow-red
Fault, alarm Solid red
False light Flashing red-green
Communication mode Fluttering red
7.4 Fault codes LMO14/24
When the red light for a blocked relay box comes on, you can get
information about what has caused the problem by pressing and holding the
reset button for 3 seconds.
The number of flashes below is repeated with a pause in between.
2 flashes No flame signal when safety time expires
4 flashes False light during start
7 flashes 3 x Losses of flame during operation
8 flashes Time-out for preheater *
10 flashes Incorrect wiring, internal fault or simultaneous occurrence of
two faults
* In order for this fault code to occur, the preheater shall not reach its cut-off
temperature within 10 mins. from switch on.
To return to normal operation: Press the reset button for 1 second.
If the reset button is instead kept pressed a second time for at least 3
seconds, you can, via an interface, obtain the corresponding information on
a computer or flue gas analyser.
To return to normal operation: Press the reset button for 1 second.
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