47
22.11
Burner control operating sequence
The burner’s LMO control box has a reset button which
is the key element for resetting the burner control and
activating/deactivating the diagnosis functions.
The multi-colour LED on the reset button is the
indicator for visual diagnosis. The button and the LED
are located under the transparent cover of the reset
button. During normal functioning, the various
operating statuses are indicated in the form of colour
codes (see the colour code table below). During
ignition, the indication is as shown in the following
table:
Colour code table for multi-colour indicator lights (LEDs)
Status Colour
code
Colour
Wait time
«tw», other standby statuses
...................................................................
Off
Fuel pre-heater on
……………………………………
Yellow
Ignition phase, controlled ignition
Flashing yellow
Functioning, flame OK
……………………………………
Green
Functioning, flame not OK
Flashing green
External light during burner ignition
Red/green
Undervoltage
Yellow/red
Failure, alarm
……………………………………
Red
Error code output (see
«Error code table»)
Flashing red
Interface diagnosis
Flashing red light
….. Steady light
Red
Off
Yellow
Green
Botón de rearme
Reset button