420010239602 Multicalor 45 ÷ 140 PR/PR
EN
Check the control box.
THE BURNERS IGNITES BUT SWITCHES TO LOCKOUT AFTER THE SAFETY TIME:
Check phase and neutral for a correct connection.
Check gas solenoid valve.
Check the position of ionisation probe and its connection.
Check the control box.
Check nozzles (clogged or worn).
The photoresistor does not detect the flame.
The filters are clogged. Light-oil pressure too low.
Combustion air's flow rate too high related to nozzle output.
THE BURNERS IGNITES BUT SWITCHES TO LOCKOUT AFTER FEW MOMENTS:
Check gas governor and gas filter.
Check gas pressure through a manometer.
Check ionization value (min. 200 µA).
23