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10
Faults / Solutions
Here below you can find some causes and the possible solutions
for some problems that could cause a failure to start or incorrect
operation of the burner.
A fault usually makes the lock-out lamp light which is situated in-
side the reset button of the control box 3)(Fig. 1 to page 8). When
lock out lamp lights the burner will attempt to light only after push-
ing the reset button.
After this if the burner functions correctly, the lock-out can be at-
tributed to a temporary fault. If however the lock out continues the
cause must be determined and the solution found.
Faults
The burner will not start
when the limit thermostat
closes.
Burner runs normally in the
prepurge and ignition cycle
and locks out after 5 sec-
onds ca.
Burner starts with an ignition
delay.
The manufacturer cannot accept responsibility for
any damage to persons, animals or property due
to error in installation or in the burner adjustment,
WARNING
or due to improper or unreasonable use or non
observance of the technical instruction enclosed
with the burner, or due to the intervention of un-
qualified personnel.
Faults / Solutions
Possible causes
Lack of electrical supply.
The photoresistance sees false light.
Resistance or start thermostats are faulty.
The connections in the control box are
wrongly inserted.
The photoresistance is dirty.
The photoresistance is defective.
Flame moves away or fails.
The ignition electrodes are wrongly posi-
tioned.
Air output is too high.
Nozzle dirty or worn.
In the event of a burner lockout, more than two
consecutive burner reset operations could cause
damage to the installation. On the third lockout,
WARNING
contact the Aftersales Service.
If further lockouts or burner faults occur, interven-
tions must only be made by qualified, authorised
personnel (as indicated in this manual, and in
DANGER
compliance with the laws and regulations current-
ly in force).
Solution
Check presence of voltage in the L - N clamps of
the control box.
Check the conditions of the fuses.
Check that safety thermostat limit is not lock out.
Eliminate the light.
Replace them.
Check and connect completely all the plugs.
Clean it.
Change it.
Check pressure and output of the fuel.
Check air output.
Change nozzle.
Check the coil of solenoid valve.
Adjust them according to the instructions of this
manual.
Set the air output.
Replace it.
23
GB
Tab. F
20083766
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