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Idiomas disponibles
4.9 RESETTING THE CONTROL BOX AND USING DIAGNOSTICS
The control box features a diagnostics function through which any causes of malfunctioning are easily iden-
tified (indicator: RED LED).
To use this function, you must wait at least 10 seconds once it has entered the safety condition (lock-out),
and then press the reset button.
The control box generates a sequence of pulses (1 second apart), which is repeated at constant 3-second
intervals.
Once you have seen how many times the light pulses and identified the possible cause, the system must
be reset by holding the button down for between 1 and 3 seconds.
RED LED on
wait at least
10s
The methods that can be used to reset the control box and use diagnostics are given below.
RESETTING THE CONTROL BOX
To reset the control box, proceed as follows:
Hold the button down for between 1 and 3 seconds.
The burner restarts after a 2-second pause once the button is released.
If the burner does not restart, you must make sure the limit thermostat is closed.
VISUAL DIAGNOSTICS
Indicates the type of burner malfunction causing lock-out.
To view diagnostics, proceed as follows:
Hold the button down for more than 3 seconds once the red LED (burner lock-out) remains steadily lit.
A yellow light pulses to tell you the operation is done.
Release the button once the light pulses. The number of times it pulses tells you the cause of the mal-
function, indicated in the table below.
SOFTWARE DIAGNOSTICS
Reports the life of the burner by means of an optical link with the PC, indicating hours of operation, number
and type of lock-outs, serial number of control box etc ...
To view diagnostics, proceed as follows:
Hold the button down for more than 3 seconds once the red LED (burner lock-out) remains steadily lit.
A yellow light pulses to tell you the operation is done.
Release the button for 1 second and then press again for over 3 seconds until the yellow light pulses
again.
Once the button is released, the red LED will flash intermittently with a higher frequency: only now can
the optical link be activated.
Once the operations are done, the control box's initial state must be restored using the resetting procedure
described above.
BUTTON PRESSED FOR
Between 1 and 3 seconds
More than 3 seconds
More than 3 seconds starting from
the visual diagnostics condition
2824
Press reset
> 3s
Lock-out
for
CONTROL BOX STATUS
Control box reset without viewing visual
Visual diagnostics of lock-out condition:
(LED pulses at 1-second intervals).
Software diagnostics by means of optical interface and PC (hours
of operation, malfunctions etc. can be viewed)
9
GB
Interval
Pulses
3s
diagnostics.
Pulses
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