Bentone bg 300 Manual page 21

CAUSE
The ambient temperature of the gas relay is too high
The ignition spark is too weak
Bad combustion
Bad draught conditions
The flue gas temperature is too high
The CO -content is too low
2
The CO-content is too high
Excess air when using natural gas and gasoil (propane,
butane
Air shortage
The holes in the gas nozzle are clogged
The fresh air intake is too small
The flame is not burning straight because the burner head
is out of position
Condensation in boiler and chimney
The flow gas temperature is too low or the quantity of gas
is not sufficient
REMEDY
Heat insulate, max. 60° C.
Check the transformer
Check the chimney
The boiler is overloaded. Reduce the quantity of gas.
Check the boiler with regard to leaks. Choke the draught
if it is too high.
Choke the air.
Open the air supply. Check the flue gas damper.
Clean.
Check and enlarge.
Check the burner head and readjust.
Increase the flue gas temperature by increasing the
gas supply. Insulate the chimney.
4(4)