Desa VF-18P-PDG,VF-24N-PDG, VF-24P-PDG, VF-18NPDG, VF-24N-BTB, VF-18N-BTB, VF-24P-BTB, VF-18P-BTB

Page 20

20

TROUBLESHOOTING

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

One or both burner does not light after

1.

Inlet gas pressure is too low

1.

Contact local natural or propane/LP gas

ODS/pilot is lit

 

 

 

company

 

2.

Burner orifice(s) clogged

2.

Clean burner(s) (see Cleaning and

 

 

 

 

Maintenance, page 19) or replace burner

 

 

 

 

orifice(s)

 

3.

Mislocated crossover tube

3.

Contact qualified service person

 

4.

Burner orifice(s) diameter is too small

4.

Replace burner orifice(s)

 

5.

Remote selector in OFF position (Re-

5.

Put remote selector in ON position

 

 

mote-Ready Models Only)

 

 

 

 

6.

Wire disconnected from gas control

6.

See Wiring Diagram, page 24

 

 

(Remote-Ready Models Only)

 

 

 

 

 

 

 

 

 

Delayed ignition of burner

1.

Manifold pressure is too low

1.

Contact local natural or propane/LP gas

 

 

 

 

company

 

2.

Burner orifice(s) clogged

2.

Clean burner(s) (see Cleaning and

 

 

 

 

Maintenance, page 19) or replace burner

 

 

 

 

orifice(s)

 

3.

Mislocated crossover tube

3.

Contact qualified service person

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Main-

 

 

 

 

tenance, page 19) or replace burner

 

 

 

 

orifice

 

2.

Damaged burner

2.

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

 

 

Orange flame in burner during burner

1.

Not enough air

1.

Check burner(s) for dirt and debris. If

combustion

 

 

 

found, clean burner(s) (see Cleaning and

 

 

 

 

Maintenance, page 19)

 

2.

Gas regulator defective

2.

Replace gas regulator

 

 

 

 

 

 

Slight smoke or odor during initial op- eration

1.Residues from manufacturing processes and logs curing

1.Problem will stop after a few hours of operation

 

1.

Turning control knob to HI position

1.

Turn control knob to LO position and let

Heater produces a whistling noise when

 

when burners are cold

 

warm up for a minute

burners are lit

2.

Air in gas line

2.

Operate burners until air is removed

 

 

 

 

from line. Have gas line checked by lo-

 

 

 

 

cal natural or propane/LP gas company

 

3.

Air passageways on heater blocked

3.

Observe minimum installation clear-

 

 

 

 

ances (see pages 7 through 9)

 

4.

Dirty or partially clogged burner

4.

Clean burners (see Cleaning and Main-

 

 

orifice(s)

 

tenance, page 19) or replace burner

 

 

 

 

orifice(s)

 

 

 

 

 

 

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

Moisture/condensation noticed on win- 1. Not enough combustion/ventilation air

1. Refer to Air for Combustion and Venti-

dows

lation requirements (page 4)

For more information, visit www.desatech.com

111826-01

Image 20
Contents Unvented VENT-FREE GAS LOG Heater What to do if YOU Smell GASTable of Contents Safety InformationProduct Identification Remote Ready ModelsOptional Remote Control Accessories Product FeaturesLocal Codes UnpackingDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationConfined and Unconfined Space Ventilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Check GAS Type InstallationInstallation and Clearances for VENT-FREE Operation If Not Using Mantel Minimum Noncombustible Material ClearancesDetermining Minimum Mantel Clearance When Using a Hood Mantel ClearancesFloor Clearances Determining Minimum Mantel ClearanceInstalling Damper Clamp Accessory for Vented Operation Installing Heater AssemblyInstallation Items Needed Area of Various Standard Round FluesConnecting to GAS Supply Checking GAS Connections Pressure Testing gas Supply Piping systemPressure Testing Heater Gas Connections Checking Gas Joints propane/LP only Lighting Instructions For Your Safety Read Before LightingOperating Heater To Turn OFF GAS to Appliance Manual Lighting ProcedureRemote Control Operation Thermostat Control Operation Ghrcta Series OperationBurner Flame Pattern Inspecting BurnersPilot Flame Pattern Logs Cleaning and MaintenanceCleaning Burner Injector Holder and Pilot AIR Inlet Hole Troubleshooting Observed Problem Possible Cause RemedyRefer to Air for Combustion and Venti Observed Problem Possible Cause Specifications VF-18N-PDG/VF-18N-BTBWiring Diagram Service HintsTechnical Service Replacement PartsThis page Intentionally Left Blank Illustrated Parts Breakdown Illustrated Parts BreakdownParts List Parts ListAccessories Owners Registration Form Postage Required 111826-01 Warranty Information