Vanguard Heating VMH10TNB installation manual Clean burner see Cleaning and Mainte

Page 21

OWNER’S MANUAL

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Burner does not light after ODS/pilot is lit

1.

Burner orifice is clogged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 23) or replace burner orifice

 

2.

Burner orifice diameter is too small

2.

Replace burner orifice

 

3.

Inlet gas pressure is too low

3.

Contact local natural gas company

 

 

 

 

 

Delayed ignition of burner

1.

Manifold pressure is too low

1.

Contact local natural gas company

 

2.

Burner orifice is clogged

2.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 23) or replace burner orifice

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 23) or replace burner orifice

 

2.

Burner damaged

2.

Replace burner pressure

 

3.

Low inlet gas pressure

3.

Contact local natural gas company

 

4.

Gas regulator defective

4.

Replace gas regulator

 

 

 

 

 

Slight smoke or odor during initial operation

1.

Residues from manufacturing processes

1.

Problem will stop after a few hours of

 

 

 

 

operation

 

 

 

 

 

Fireplace produces a whistling noise when

1.

Air in gas line

1.

Operate burner until air is removed from

burner is lit

 

 

 

line. Have gas line checked by local

 

 

 

 

natural gas company

 

2.

Air passageways on fireplace blocked

2. Observe minimum installation clearances

 

 

 

 

(see pages 8 through 10)

 

3.

Dirty or partially clogged burner orifice

3.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 23) or replace burner orifice

White powder residue forming within burner box or on adjacent walls or furniture

1.When heated, vapors from furniture pol- ish, wax, carpet cleaners, etc. turn into white powder residue

1.Turn heater off when using furniture polish, wax, carpet cleaners, or similar products

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Continued

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Contents What to do if YOU Smell GAS VENT-FREE Natural GAS Compact Classic Hearth FireplaceVMH10TNB Safety InformationProduct Identification Product FeaturesUnpacking Local CodesInstalling Log AssemblyAssembling Fireplace Assembling HoodProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Confined and Unconfined SpaceAIR for Combustion Ventilation Determining FRESH-AIR Flow for Fireplace LocationDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Installation Items InstallationCheck GAS Type Locating FireplaceWall opening BUILT-IN Fireplace InstallationMantel Clearances for Built-In Installation Optional Mantel InstallationRemoving Upper Louver Assembly Installing Blower Accessory GA3400TInstalling Blower Assembly Assembling Brass Trim Brass trim shipped with mantelInstall the switch plate on the valve Extension Cord For Built-In InstallationAttaching Wood Base to Solid Floor Connecting to GAS SupplyInstallation Items Needed Connecting Fireplace to GAS SupplyPressure Testing Gas Supply Piping System Pressure Testing Fireplace Gas ConnectionsChecking GAS Connections For Your Safety Read Before Lighting Operating FireplaceLighting Instructions Manual Lighting Procedure To Turn OFF GAS To ApplianceOperating Blower Inspecting Burner Pilot Flame PatternBurner Flame Pattern Observed Problem Possible Cause Remedy TroubleshootingClean burner see Cleaning and Mainte Gas leak. See Warning statement at Service Hints Cleaning and MaintenanceTechnical Service Cleaning Burner Injector Holder and Pilot AIR Inlet HoleVMH10TNB17 Illustrated Parts BreakdownVMH10TNB Parts ListReplacement Parts SpecificationsParts Under Warranty Parts not Under WarrantyAccessories Warranty Information