Design Dynamics VTD-18N-PDG installation manual See Cleaning and Mainte

Page 17

troubleshooting

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Orange flame in burner during

1.

Not enough air

1.

Check burner for dirt and

burner combustion

 

 

 

debris. If found, clean burner

 

 

 

 

(see Cleaning and Mainte-

 

2.

Gas regulator defective

2.

nance, page 14)

 

Replace gas regulator

Slight smoke or odor during initial

1.

Residues from manufacturing

1.

Problem will stop after a few

operation

 

processes and logs curing

 

hours of operation

Heater produces a whistling noise

1.

Turning control knob to HI

1.

Turn control knob to LO

when burner is lit

 

position when burner is cold

 

position and let warm up for

 

2.

Air in gas line

2.

a minute

 

Operate burner until air is

 

 

 

 

removed from line. Have gas

 

 

 

 

line checked by local natural

 

3.

Air passageways on heater

3.

or propane/LP gas company

 

Observe minimum installation

 

4.

blocked

4.

clearances (see pages 6)

 

Dirty or partially clogged

Clean burner (see Cleaning

 

 

burner orifice

 

and Maintenance, page 14)

 

 

 

 

or replace burner orifice

 

 

 

 

 

White powder residue forming

1.

When heated, vapors from

1.

Turn heater off when using

within burner box or on adjacent

 

furniture polish, wax, carpet

 

furniture polish, wax, carpet

walls or furniture

 

cleaners, etc. turn into white

 

cleaners, or similar products

 

 

powder residue

 

 

Remote does not function

1.

Battery is not installed. Battery

1.

Replace batteries in receiver

 

 

power is low

 

and remote control

 

 

 

 

 

Heater produces a clicking/tick-

1.

Metal expanding while heating

1.

This is common with most

ing noise just after burners are lit

 

or contracting while cooling

 

heaters. If noise is excessive,

or shut off

 

 

 

contact qualified service

 

 

 

 

person

111826-02J

www.desatech.com

17

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Contents What to do if YOU Smell GAS Table of Contents Safety Information High traffic areas Windy or drafty areas Local CodesOptional Remote Control Accessories Product FeaturesProduct Identification UnpackingInstallation and Clearances InstallationVenting specifications for installation Flue Opening SpecificationsInstalling Heater Assembly Installing Damper ClampConnecting to gas supply Installation Items NeededPropane/LP Gas InstallationNatural Gas Test Pressures Equal To or Less Than Psig 3.5 kPa Checking gas connectionsOperating Heater For your safety Read before lightingPressure Testing Heater Gas Connections Control Knob Lighting InstructionsOptional Hand-held Remote control Manual Lighting ProcedureTo Turn OFF GAS To Appliance OperationBurner Flame Pattern Inspecting BurnersPilot Flame Pattern Wiring Diagram Cleaning MaintenanceSpecifications Observed Problem Possible Cause Remedy TroubleshootingODS/pilot lights but flame goes See Cleaning and Mainte See Checking Gas Connec Gas leak. See WarningTechnical Service Service HintsReplacement Parts AccessoriesModels vTD-18n-Pdg, vtd-18p-Pdg, vtd-18N-BTB and vtd-18P-BTB Illustrated Parts BreakdownParts List Models vtd-24n-Pdg, vtd-24p-Pdg, vtd-24N-BTB and vtd-24P-BTB Illustrated Parts BreakdownVenturi/Shutter Assembly Limited Warranty Vented GAS LOG Heaters Warranty InformationKeep this Warranty