Vanguard Managed Solutions MBDV37 - Manual (Page 34)

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DIRECT-VENT FIREPLACE
®
TROUBLESHOOTING
Continued
WARNING: If you smell gas
• Shut off gas supply.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
IMPORTANT: Operating fireplace where impurities in air exist may create odors. Cleaning supplies,
paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These
fumes may mix with combustion air and create odors. These odors will disappear over time.
POSSIBLE CAUSE
1. Gas leak. See Warning statement
above
1. High or gusting winds
2. Low line pressure
3. Pilot is partially clogged
4. Inner vent pipe leaking exhaust gases
into system
5. Horizontal vent improperly pitched
6. Glass too loose and air tight gasket leaks
in corners after usage
7. Bad thermopile or thermocouple
8. Improper vent cap installation
1. Gas leak. See Warning statement
above
2. Control valve defective
1. Gas leak. See Warning statement
above
1. Improper log placement
2. Air holes at burner inlet blocked
3. Burner flame holes blocked
OBSERVED PROBLEM
Fireplace produces unwanted odors
Fireplace shuts off in use
Gas odor even when control knob is in OFF
position
Gas odor during combustion
Dark residue on logs or inside of fireplace
REMEDY
1. Locate and correct all leaks (see Check-
ing Gas Connections, pages 19 and 20)
1. Fireplace has been tested for up to
40mph winds. However, extreme con-
ditions may occur. See Lighting Instruc-
tions on page 26 and 27.
2. Contact local propane/LP or natural gas
company
3. Clean pilot (see Cleaning and Mainte-
nance, page 28)
4. Locate and correct all leaks (see Check-
ing Gas Connections, pages 20 and 21)
5. Horizontal vent termination should slope
down only enough to prevent any water
from entering the unit. The maximum
downward slope of the vent termination
is 1/4" for any horizontal run
6. Tighten glass
7. Replace faulty component
8. Check for proper installation and free-
dom from debris or blockage
1. Locate and correct all leaks (see Check-
ing Gas Connections, pages 20 and 21)
2. Replace control valve
1. Locate and correct all leaks (see Check-
ing Gas Connections, pages 20 and 21)
1. Properly locate logs (see Installing Logs,
Lava Rock, and Glowing Embers, page 24)
2. Clean out air holes at burner inlets. Pe-
riodically repeat as needed
3. Remove blockage or replace burner
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