Faults / Solutions - Riello RDB 3.2 BX 32/50 Installation, Use And Maintenance Instructions

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Faults / Solutions

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 in-
side the reset button of the control box.
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 seconds
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,
or due to improper or unreasonable use or non
WARNING
observance of the technical instruction enclosed
with the burner, or due to the intervention of un-
qualified personnel.
20151139
Faults / Solutions
Possible causes
Lack of electrical supply
The flame sensor sees false light
Resistance or start thermostats are faulty
The connections in the control box are wrong-
ly inserted
The flame sensor is dirty
The flame sensor is defective
Flame moves away or fails
The ignition electrodes are wrongly posi-
tioned
Air output is too high
Nozzle dirty or worn
When lock out lamp lights the burner will attempt to light only after
pushing the reset button. After this if the burner functions correct-
ly, 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
Replace them
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 man-
ual
Set the air output
Replace it
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