31
Bentone
7.3 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 abnormal is
happening in accordance with 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
Summary of Contents for Bentoflex ST 133 K
Page 2: ...2 Bentone...
Page 34: ...171 905 28...
Page 37: ......
Page 38: ......
Page 39: ......
Page 40: ...Enertech AB P O Box 309 SE 341 26 Ljungby www bentone se www bentone com...
