12
TROUBLESHOOTING
Aforementioned issues are just for reference. If any failure occurs, please stop using and contact a professional
technician to check and repair. ALWAYS be safe and shut off the power supply and gas supply before performing
any maintenance.
Problem
Possible Causes
Solutions
Pilot cannot be lit.
Gas pressure is too low.
Regulate the pressure valve.
Fire hole is blocked.
Unblock the fire hole.
Gas control valve is defective.
Replace gas control valve.
Pilot is lit, but burner won’t light.
Gas pressure is too low.
Regulate the pressure valve.
Main nozzle is blocked.
Unblock the nozzle.
Gas control valve is defective.
Replace gas control valve.
There’s tempering sound when cut
off the gas source.
Nozzle diameter does not match gas supply.
Regulate nozzle diameter.
Damper open too much.
Reduce damper opening.
Gas supply pressure too low.
Regulate the valve.
There’s red flame and black smoke.
Nozzle diameter does not match gas supply.
Regulate the nozzle diameter.
Damper not open enough.
Adjust the damper opening.
Gas nearly empty.
Replace gas.