Manual
August 2018
Problem Possible Causes Solution
Pilot Flame isn’t lighting
Pressure in gas pipeline is
not enough
Increase pilot pressure
Pilot Flame isn’t lighting
Pilot nozzle is blocked Unblock the nozzle
Pilot Flame isn’t lighting
Connection of thermocouple
is loose
Tighten the thermocouple
Pilot Flame isn’t lighting Thermocouple is defective Replace the thermocouple
Pilot Flame isn’t lighting Gas control valve is defective
Repair or replace the gas
control valve
The pilot fl ame is on but the
main burner can’t light
Pressure in the gas pipeline
is not enough
Increase burner pressure
The pilot fl ame is on but the
main burner can’t light
Main nozzle is blocked Unblock the nozzle
The pilot fl ame is on but the
main burner can’t light
Gas control valve is defective
Repair or replace the gas
control valve
There is a poofi ng noise
when turning gas supply off
Nozzle diameter does not
match with the gas supply
Regulate the nozzle diameter
There is a poofi ng noise
when turning gas supply off
Supply pressure is too low Increase supply pressure
There is a poofi ng noise
when turning gas supply off
Flow of connected pipe is not
enough
Increase the permitted fl ow
Flame is not solid blue, but is
red and yellow and black soot
buildup
Nozzle diameter does not
match with the gas supply
Regulate the nozzle diameter
Flame is not solid blue, but is
red and yellow and black soot
buildup
Gas nearly runs out Replace the gas supply
Flame is not solid blue, but is
red and yellow and black soot
buildup
Gas ingredients are volatile
in gas peak period
Decrease the gas fl ow. Increase
it after the peak.
TROUBLESHOOTING