Empire Comfort Systems DVLXG75BP90N-1 Installer's Manual page 60

Problem Observed
Burner and pilot light but will
not stay lit
Incorrect burner flame
Backfire of burner
Fireplace produces unwanted
odors
Whistle noise from fireplace
60
CONTROL SYSTEM TROUBLESHOOTING (CONT'D)
Possible Cause
Flame sensor dirty
Low gas pressure
Not enough fresh air for pilot
Clogged or dirty burner ports
Room temperature is higher than
thermostat setting
Remote control batteries failing
Faulty pilot or thermocouple
Incorrect gas supply or pressure
Blocked orifice
Clogged or dirty burner ports
Faulty valve
High altitude
Blocked orifice
Clogged or dirty burner ports
Low gas pressure
Vapors from paint, hairspray, glue, etc.
Initial burn off of manufacturing
chemicals
Check gas pressure
Air in gas line
Control knob not in fully open position
Spiral gas flex line pinched or too small
diameter line
Corrective Measure
Clean pilot sensor
Check gas supply pressure
Open door or window -ventilate the room
Clean burner ports
Move remote away from the fireplace
Set higher temperature on remote/thermostat
Replace batteries in remote transmitter and
receiver
Replace pilot
Check gas supply pressure
Check orifice opening
Clean burner ports
Replace valve
Adjust orifice size for altitude
Check orifice opening
Clean burner ports
Check gas supply pressure
Ventilate room until odor stops. Do not use paint,
hairspray, glue, etc. around the fireplace
Ventilate room until odor stops
Adjust gas pressure to recommended settings
Bleed lines
Open control knob to full position
Straighten flex line where pinched or replace gas
feed line with larger diameter