Vanguard BDV34NB Owner's Operation And Installation Manual page 28

DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP)
TROUBLESHOOTING
Continued
OBSERVED PROBLEM
Burner does not light after pilot is lit
Delayed ignition burner
Burner backfiring during combustion
Slight smoke or odor during initial operation
Heater produces a whistling noise when
burner is lit
Glass soots
Fireplace produces a clicking/ticking noise
just after burners are lit or shut off
Remote does not function
BDV34NB AND BDV34PB
®
POSSIBLE CAUSE
1. Burner orifice clogged
2. Inlet gas pressure is too low
3. Thermopile leads disconnected or im-
properly connected
4. Thermopile is defective
1. Manifold pressure is too low
2. Burner porting or orifice clogged
1. Burner orifice is clogged or damaged
2. Damaged burner
3. Gas regulator defective
1. Residues from manufacturing processes
and logs curing
1. Turning gas control knob to HI position
when burner is cold
2. Air in gas line
3. Dirty or partially clogged burner orifice
1. Flame impingement on logs
2. Debris around burner air mixer
1. Metal expanding while heating or con-
tracting while cooling
1. Battery is not installed or battery power
is low
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REMEDY
1. Clean burner (see Cleaning and
2. Contact local propane/LP or natural gas
3. Reconnect leads (see Wiring Diagram,
4. Replace thermopile
1. Contact local propane/LP or natural gas
2. Clean burner (see Cleaning and Main-
1. Clean burner (see Cleaning and
2. Replace damaged burner
3. Replace gas control
1. Problem will stop after a few hours of
1. Turn gas control knob to LO position and
2. Operate burner until air is removed from
3. Clean burner (see Cleaning and
1. Adjust the log set so that the flame does
2. Inspect the opening at the base of the
1. This is common. If noise is excessive,
1. Replace 9-volt batteries in receiver and
28
Maintenance, page 26) or replace burner
orifice
company
page 30)
company
tenance, page 26) or replace burner orifice
Maintenance, page 26) or replace burner
orifice
operation
let warm up for a minute
line. Have gas line checked by local pro-
pane/LP or natural gas company
Maintenance, page 26) or replace burner
orifice
not excessively impinge on it
burner to see that it is NOT packed with
any type of material
contact qualified service person
remote control
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