Desa VMH26TNB installation manual Maintenance

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 19) or replace burner orifice

 

2.

Inlet gas pressure is too low

2.

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 19) or replace burner orifice

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 19) 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

 

 

 

 

 

Yellow flame during burner combustion

1.

Not enough air

1.

Check burner for dirt and debris. If

 

 

 

 

found, clean burner (see Cleaning and

 

 

 

 

Maintenance, page 19)

 

2.

Gas regulator defective

2.

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.

Turning control knob to HI position

1.

Turn control knob to LO position and

burner is lit

 

when burner is cold

 

let warm up for a minute

 

2.

Air in gas line

2.

Operate burner until air is removed from

 

 

 

 

line. Have gas line checked by local

 

 

 

 

natural gas company

 

3.

Air passageways on fireplace blocked

3.

Observe minimum installation clear-

 

 

 

 

ances (see pages 8 through 10)

 

4.

Dirty or partially clogged burner orifice

4.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 19) 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. may turn into white powder residue

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

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Continued

107029

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualCompact Classic Hearth Fireplace 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 FireplaceLocate fireplace where moving vehicle will not hit it BUILT-IN Fireplace InstallationMantel Clearances for Built-In Installation Optional Mantel InstallationRemoving Upper Louver Assembly Installing Blower Accessory GA3450TInstalling Blower Assembly Assembling Brass Trim Brass trim shipped with mantelInstall the switch plate on the valve Wiring Diagram For Blower Accessory Built-In Installation For Built-In InstallationConnecting to GAS Supply Extension CordAttaching Wood Base to Solid Floor Installation Items Needed Connecting Equipment Shutoff Valve to Heater ControlPressure Testing Gas Supply Piping System Pressure Testing Fireplace Gas ConnectionsChecking GAS Connections For Your Safety Read Before Lighting Operating FireplaceLighting Instructions Inspecting Burner Cleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning and MaintenanceBurner Flame Pattern CabinetObserved Problem Possible Cause Remedy TroubleshootingMaintenance, Gas leak. See Warning statement at Replacement Parts SpecificationsService Hints Technical ServiceVMH26TNB17 Illustrated Parts BreakdownVMH26TNB Parts ListAccessories 107029 Warranty Information