Riello RX 15 S/PV Typ 900T3 Montage- Und Bedienungsanleitung Seite 65

IRREGULARITIES
Burner starts with an
ignition delay.
The burner does not
pass through the pre-
purging and locks out.
6.2 IRREGULARITIES DURING OPERATION
IRREGULARITY
B u r n e r l o c k s o u t
during operation.
3425
POSSIBLE CAUSE
Ignitioner is wrongly positioned.
Air output is too high.
Valve brake not open enough, with
insufficient gas allowed through.
Flame is detected.
Malfunction is the motor control
card.
Air loss due to obstruction in the
suction line circuit.
POSSIBLE CAUSE
Valve lets too little gas through.
The valve is faulty.
Probe has ground fault.
Flame disappears four times.
Malfunction in the motor control card.
Air loss due to obstruction in the air
suction line circuit.
SUGGESTED REMEDY
Adjust properly as indicated herein.
Set the air output according to the
instructions of this manual.
Set correctly.
Faulty valve: replace.
In case of lack of motor rotation signal,
check the connection to the controlbox;
If the motor rotation signal is present be-
fore the heat request check the motor
card unit.
Remove the obstruction.
SUGGESTED REMEDY
Check mains pressure and/or adjust
the valve as indicated in this manual.
Replace.
Check right position and, if necessary,
adjust as indicated herein.
Clean or replace ionisation probe.
C h e c k g a s m a i n s p r e ss u r e a n d / o r
adjust the valve as indicated in this
manual.
Check
connection.
Replace the motor card unit.
Remove the obstruction.
15 GB
the motor rotation signal