Faults / Solutions - Riello 20034606 Installation, Use And Maintenance Instructions

9

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 led signal which is situated in-
side the reset push-button of the control box (3, Fig. 1 to page 8).
Faults
The burner does not
start when there is heat
demand.
The burner goes into
lockout mode before or
during the pre-purging.
Burner runs normally in
the prepurge and igni-
tion 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.
20035274
Possible cause
Lack of electrical supply.
The flame sensor sees false light.
The connections in the control box
are wrongly inserted.
The flame sensor sees extraneous
light.
The flame sensor is dirty.
The flame sensor is faulty.
Flame moves away or fails.
The ignition electrodes are wrongly
positioned.
Air output is too high.
Nozzle dirty or worn.
Faults / Solutions
When lock out lamp lights the burner will attempt to light only after
pushing the reset push-button. After this if the burner functions
correctly, 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.
Fault
diagnostics
OFF
OFF
RED
Steady ON
OFF
30 GB
Solutions
Check presence of voltage in the L1 - N clamps of
the 5 pin plug.
Check the conditions of the fuses.
Check that safety thermostat is not lock out.
Eliminate the exstraneous light.
Check and connect all the plugs and sockets prop-
erly.
Eliminate the exstraneous light.
Clear it.
Replace 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 according to the instructions of
this manual.
Replace it.
Tab. I