Empire Comfort Systems DVCC32BP30N-3 Installation Instructions Manual page 45

INTERMITTENT PILOT CONTROL SYSTEM TROUBLESHOOTING (CONT'D)
PROBLEM OBSERVED
Burner lights but does not stay
lit while pilot remains on
Burner & pilot light but will not
stay lit
Incorrect burner flame
Backfire of burner
Appliance produces unwanted
odors
Whistle noise from appliance
37606-4-0718
POSSIBLE CAUSE
Low gas pressure
Loose sensor wire
Faulty valve
Faulty pilot or thermocouple
Clogged or dirty burner ports
(For fireplace equipped with optional
thermostat or thermostat remote) Room
temperature is higher than thermostat
setting
Flame sensor dirty
Low gas pressure
Not enough fresh air for pilot
Clogged or dirty burner ports
(For fireplace equipped with optional
thermostat or thermostat remote) Room
temperature is higher than thermostat
setting
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
Check gas supply pressure
Check wire connection
Replace valve
Replace Safety pilot
Clean burner ports
Move (optional) remote away from
fireplace
Set higher temperature on (Optional)
remote/thermostat
Clean pilot sensor
Check gas supply pressure
Open door or window - ventilate
Clean burner ports
Move (optional) remote away from
fireplace
Set higher temperature on (Optional)
remote/thermostat
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 fireplace
Ventilate room until odor stops
Adjust gas pressure to recommended
setting.
Bleed lines
Open control knob to full position
Straighten flex line where pinched or
replace gas feed line with larger diameter
Page 45