5
Faults / Solutions
The manufacturer cannot accept responsibility for
any damage to persons, animals or property due
to error in installation or in the burner adjustment,
or due to improper or unreasonable use or non ob-
WARNING
servance of the technical instruction enclosed
with the burner, or due to the intervention of un-
qualified personnel.
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 s. ca.
Burner starts with an
ignition delay.
Faults / Solutions
POSSIBLE CAUSES
Lack of electrical supply.
The photoresistance sees false light.
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 positioned.
Air output is too high.
Nozzle dirty or worn.
Here below you can find some causes and the possible solutions
for some problems that could cause a failure to start or a bad
working of the burner.
A fault usually makes the lock-out lamp light which is situated
inside the reset button of the control box 4) (Fig. 1).
When lock out lamp lights the burner will attempt to light only after
pushing the reset button. After this if the burner functions cor-
rectly, the lock-out can be attributed to a temporary fault.
If however the lock out continues the cause must be determined
and the solution found.
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.
Check and connect completely all the plugs.
Clear 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.
15
GB
20018260