Riello Burners BS1 Instrucciones De Instalación, Uso Y Mantenimiento página 48

FAULTS
T h e b u r n e r r u n s n o r -
mally in the prepurge
and ignition cycle and
locks out after about 3
seconds.
The burner starts with
an ignition delay.
The bu rner lock s out
a f t e r t h e p r e p u r g e
phase due to flame-fail-
ure.
The bu rner lock s out
d u r i n g t h e p r e p u r g e
phase.
The burner continues to
repeat the starting cycle
without going on lock-
out.
3080
POSSIBLE CAUSES
Phase and neutral connection is
inverted.
The earth connection lacks or is ineffi-
cient.
The ionization probe is earthed or not
in contact with the flame, or its wiring
to the control box is broken, or there
is a fault on its insulation to the earth.
The ignition electrodes is wrongly positioned.
Air output is too high.
Valve brake is too close with insuffi-
cient gas output.
The solenoid valves is passing too lit-
tle gas.
The solenoid valves are defective.
The ignition arc is irregular or has
failed.
The pipe has not been purged from
the air.
The air pressure switch does not
change over to the operational posi-
tion.
The flame exists.
The pressure test point (11, fig. 9,
page 9) is badly positioned.
The gas pressure in the gas-mains
lies very close to the value to which
the gas pressure switch has been set.
The sudden falling-off pressure at the
opening of the valve causes the
opening of the pressure switch.
H o w e v e r t h i s o n l y t e m p o r a r i l y ,
because the valve immediately closes
again, so then does the pressure
switch, because the pressure builds-
up again, causing the cycle to be
repeated over and over.
Invert them.
Make the earth connection efficient.
Check the right position and if neces-
sary set it according to the instructions
of this manual.
Reset the electrical connection.
Replace the faulty connection.
Adjust it according to the instructions of this manual.
Set the air output according to the
instructions of this manual.
Adjust it.
Check the pressure in the network and/
or adjust the solenoid valve according to
the instructions of this manual.
Change them.
Check the right insertion of the connec-
tors.
Check the right position of the electrode
according to the instructions of this man-
ual.
Carry out a complete breathing of the
line of gas-supply.
The pressure switch is faulty, change it.
The air pressure is too low, (the head is
bad adjusted).
Faulty valves: replace them.
Place it in the right position according to
the instructions of this manual on page
9, chapter 4.2.
Lower and set the pressure switch.
14 GB
SOLUTION