Faults / Solutions - Riello RG4S Installation, Use And Maintenance Instructions

8

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 lockout LED signal which is situated in-
side the reset button of the control box.
Faults
The burner does not start
when there is heat
request.
The burner goes into
lockout mode before or
during the pre-purging.
Burner runs normally in
the pre-purging and igni-
tion cycle and locks out
after about 5 seconds.
Burner starts with an igni-
tion 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.
20136874
Probable cause
Lack of electrical supply.
the flame sensor sees an extraneous
light.
The connections in the control box are
wrongly inserted.
No bridge socket P.
The flame sensor sees an 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 lockout lamp comes on the burner will attempt to light only
after pushing the reset button. After this if the burner functions
correctly, the lockout can be attributed to a temporary fault that is
not dangerous.
If however the lockout continues the cause must be determined
and the solution found.
Fault
diagnostics
OFF
OFF
0.5 sec ON
2.5 sec OFF
RED
Steady ON
OFF
32 GB
Solutions
Check presence of voltage in the L - N the pin plug.
Check the conditions of the fuses.
Check that safety thermostat is not in lockout.
Eliminate the extraneous light.
Check and connect all the plugs and sockets prop-
erly.
Insert it.
Eliminate the extraneous 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 man-
ual.
Set the air output according to the instructions of this
manual.
Replace it.
Tab. P