Desa VN6D installation manual VENT-FREE Natural GAS Heater

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VENT-FREE NATURAL GAS HEATER

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Burner(s) does not light after ODS/pilot is lit

1.

Burner orifice(s) is clogged

1.

Clean burner orifice(s) (see Cleaning

 

 

 

 

and Maintenance, page 12) or replace

 

 

 

 

burner orifice(s)

 

2.

Burner orifice(s) diameter is too small

2.

Replace burner orifice(s)

 

3.

Inlet gas pressure is too low

3.

Contact local natural gas company

 

 

 

 

 

Delayed ignition of burner(s)

1.

Manifold pressure is too low

1.

Contact local natural gas company

 

2.

Burner orifice(s) is clogged

2.

Clean burner orifice(s) (see Cleaning

 

 

 

 

and Maintenance, page 12) or replace

 

 

 

 

burner orifice(s)

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice(s) is clogged or damaged

1.

Clean burner orifice(s) (see Cleaning

 

 

 

 

and Maintenance, page 12) or replace

 

 

 

 

burner orifice(s)

 

2.

Inlet gas pressure is too low

2.

Contact local natural gas company

 

3.

Burner damaged

3.

Replace burner

 

4.

Gas regulator defective

4.

Replace gas regulator

 

 

 

 

 

Burner plaque(s) does not glow

1.

Plaque damaged

1.

Replace burner

 

2.

Inlet gas pressure is too low

2.

Contact local natural gas company

 

3.

Control knob set between locked posi-

3.

Turn control knob until it locks at de-

 

 

tions

 

sired setting

 

 

 

 

 

Slight smoke or odor during initial operation

1.

Residues from manufacturing processes

1.

Problem will stop after a few hours of

 

 

 

 

operation

 

 

 

 

 

Heater produces a clicking/ticking noise just after burner is lit or shut off

1.Metal expanding while heating or con- tracting while cooling

1.This is common with most heaters. If noise is excessive, contact qualified ser- vice person

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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104274

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Contents Infrared VENT-FREE Natural GAS Heater What to do if YOU Smell GASSafety Information VENT-FREE Natural GAS HeaterLocal Codes Productproduct IdentificationfeaturesSafety Pilot UnpackingUnusually Tight Construction AIR for Combustion and VentilationProviding Adequate Ventilation Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Installing Heater to Wall InstallationInstallation Items Check GAS TypePlacing Heater On Mounting Screws Installing Two Mounting ScrewsInstalling Bottom Mounting Screw Removing Front Panel Of HeaterConnecting to GAS Supply Gas ConnectionPressure Testing Heater Gas Connections For Your Safety Read Before LightingPressure Testing Gas Supply Piping System Operating HeaterTo Select Heating Level Manual Lighting ProcedureLighting Instructions To Turn OFF GAS To ApplianceCleaning and Maintenance Inspecting BurnerTroubleshooting Observed Problem Possible Cause RemedyVENT-FREE Natural GAS Heater Gas leak. See Warning statement VN6D ODS/PILOT Parts ListIllustrated Parts Breakdown VN10A ODS/PILOT Service Hints SpecificationsReplacement Parts Service Publications Technical104274 Warranty Information International