Riello RG4F - Faults; Solutions

3004
11
GB
6. FAULTS / SOLUTIONS
Here below you can find some causes and the possible solutions for some problems that could cause a fail-
ure 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
(3, Fig. 1, page 1).
When lock out lamp lights the burner will attempt
to light only after pushing the reset 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.
FAULTS POSSIBLE CAUSES SOLUTION
The burner doesn’t
start when the limit
the
rmostat closes.
Lack of electrical supply.
Check presence of voltage in the 
L1 - N clamps of the 7 pin plug.
Check the conditions of the fuses.
Check that
safety thermostat is not 
lock out.
The sensor llama sees false light. Eliminate the light.
Start thermostats are faulty. Replace them.
The connections in the control box
a
re wrongly inserted.
Check and connect completely all the
plugs.
Burner runs normal-
ly in the prepurge
and ignition cycle
and locks out
after 5
seconds ca.
The sensor llama is dirty. Clear it.
The sensor llama is defective. Change it.
Flame moves away or fails.
Check pressure and output of the fuel.
Check air output.
Change nozzle.
Check the coil of solenoid valve.
Burner starts with an
ignition delay
.
The ignition electrodes are wrongly 
positioned.
Adjust them according to the
instructions of this manual.
Air output is too high.
Set the air output according to the in-
structions of this manual.
Nozzle dirty or worn. Replace it.
WARNING
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
observance of the technical instruction enclosed with the burner, or due to the intervention of un-
qualified personnel.