Riello RL 800/M TC FS2 Instrucciones De Uso página 34

LIGHT OIL OPERATION
SYMBOL
FAULT
(1)
Noisy pump, unstable pres-
sure
Pump unprimes after pro-
longed pause
Pump leaks light oil
Dirty combustion head
During operation, the burner
stops in lock out
The control box is fitted with a disc rotates during the firing programme, which can been seen through the transparent lock-out
(1)
reset button.
When the burner does not fire or comes to a half following a fault, the symbol which appears behind the reset button indicates the
type of problem.
20034064
Faults - Possible causes - Solutions
PROBABLE CAUSE
Air has entered the suction line
Depression value too high (higher than 35 cm Hg):
Tank/burner height difference too great
Piping diameter too small
Suction filters clogged
Suction valves closed
Paraffin solidified due to low temperature
Return pipe not immersed in fuel
Air enters suction piping
Leakage from sealing organ
Nozzle or filter dirty
Unsuitable nozzle delivery or angle
Loose nozzle
Impurities on flame stability disk
Erroneous head adjustment or not enough air
Blast tube length unsuited to boiler
Dirty or defective photocell
Defective air pressure switch
32 GB
SUGGESTED REMEDY
Tighten connectors
Feed burner with loop circuit
Increase
Clean
Open
Add additive to light oil
Bring to same height as suction
pipe
Tighten connectors
Replace pump
Replace
See recommended nozzles
Tighten
Clean
Adjust, open air damper
Contact boiler manufacturer
Clean or replace
Replace