17
Switch on operating switch and twin thermostat
Oil mist is formed and ignited. The photocell indicates a l ame. The ignition
spark goes out after l ame indication (See Technical data oil burner control).
a. If no l ame is established before this time limit the control cuts out.
b. If for some reasons the l ame disappears after this time limit, the
with point 1 are fuli lled.
Reaction time on l ame failure:
-5 +60°C
-20 - +60°C
Min. current with l ame established:
171 435 28 16-01
Colour codes LMO14/24
When the burner starts, three signal lights in the reset switch indicate
the normal sequence, as well as provide indication if something ab-
normal is happening in accordance with the following table:
Preheater in operation
Solid yellow
Ignition switched on
Flashing yellow
Normal operation
Solid green
Operation, poor l ame signal
Flashing green
Undervoltage
Flashing yellow-red
Fault, alarm
Solid red
False light
Flashing red-green
Communication mode
Fluttering red
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 l ashes below is repeated with a pause in between.
2 l ashes
No l ame signal when safety time
expires
4 l ashes
False light during start
7 l ashes
3 x Losses of l ame during operation
8 l ashes
Time-out for preheater *
10 l ashes
Incorrect wiring, internal fault or si-
multaneous 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 in-
formation on a computer or l ue gas analyser.
To return to normal operation: Press the reset button for 1 second
3(3)
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