Riello F10 INCINERATOR TL Installation, Use And Maintenance Instructions page 28

Signal Problem
7 blinks Flame detachment Poorly adjusted head
The burner does
not pass to the 2nd
stage
The fuel passes to
the 2nd stage but
the air remains in
the 1st stage
The burner stops
passing from the
1st stage to the 2nd
stage, the burner
repeats the starting
cycle
Insufficient fuel
supply
Pump rusty on the
inside
Noisy pump, unsta-
ble pressure
Pump unprimes
after prolonged
pause
Pump leaks light oil Loss of sealing organ
Flame with smoke
- Dark Bacharach
- yellow Bacharach Excessive air
Dirty combustion
head
10 blinks The burner goes
into lockout
20098581
Faults - Possible causes - Solutions
Possible cause
The ignition electrodes are badly adjusted, or dirty Adjust or clean
Air damper badly adjusted: excessive air
The nozzle is too big (pulsations)
The nozzle is too small (flame detachment)
The nozzle is dirty or deformed
Inadequate pump pressure
Nozzle not fit for burner or boiler
Faulty nozzle
TR control device does not close
Defective control box
2nd stage coil solenoid valve defective
Piston blocked in the valve unit
Low pump pressure
Operation of the 2nd stage cylinder faulty
Dirty nozzle
Dirty photocell
Excess air
Check whether the cause lies in the pump or the
fuel supply system
Water in the tank
Air in the suction line
Depression value too high (higher than 35 cm Hg):
Piping diameter too small
Dirty suction line filters
Suction line valves closed
The paraffin solidifies due to the low temperature Put additive in the light oil
Return pipeline not immersed in the fuel
Air in the suction line
Little air
Dirty or worn nozzle
Nozzle filter clogged
Incorrect pump pressure
The flame stability diffuser disc is dirty, loose or
deformed
Insufficient boiler room ventilation openings
Dirty nozzle or nozzle filter
Unsuitable nozzle delivery or angle
Loose nozzle
Environmental impurities on flame stability dif-
fuser disc
Incorrect head adjustment, or else not enough air Adjust it, or else open the air damper
Blast tube length not suitable for the boiler
Connection or internal fault
Presence of electromagnetic disturbance
26 GB
Recommended remedy
Adjust
Adjust
Reduce the delivery of the nozzle
Increase the delivery of the nozzle
Replace
Adjust it between 10 and 14 bar
See recommended nozzles
Replace
Adjust or replace
Replace
Replace
Replace the entire unit
Increase
Replace the cylinder
Replace
Clean
Reduce
Supply fuel to the burner from a tank po-
sitioned near the burner itself
Remove the water from the bottom of the
tank with a separate pump
Block the couplings
Increase
Clean
Open them
Bring it to the same height as the suction
line
Tighten the couplings
Replace the pump
Adjust head and air damper
Replace
Clean or replace
Adjust it: between 10 - 14 bar
Clean, block or replace
Increase
Adjust head and air damper
Replace
See recommended nozzles
Block it
Clean
Contact the boiler manufacturer
Use the radio disturbance protection kit
Tab. J