Desa VMH26TNA 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 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

 

 

 

 

 

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 23)

 

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 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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Contents What to do if YOU Smell GAS VENT-FREE Natural GASCompact Classic Hearth Fireplace Safety InformationProduct Identification Features Local CodesUnpacking Installing 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 FireplaceRough Opening for Installing in Wall 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 To Turn OFF GAS To Appliance Manual Lighting ProcedureThermostat Control Operation Operating BlowerInspecting Burner Pilot Flame PatternBurner Flame Pattern Observed Problem Possible Cause Remedy TroubleshootingMaintenance, Gas leak. See Warning statement at Cleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning and MaintenanceCabinet Air PassagewaysVMH26TNA Illustrated Parts BreakdownDescription QTY Parts ListReplacement Parts SpecificationsService Hints Technical ServiceAccessories Warranty Information