Desa CDR3924NT installation manual Cold Minute Air in gas line Operate burners until air is

Page 22

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

 

 

Slightsmokeorodorduringinitial

1.

Residues from manufacturing

1.

Problem will stop after a few

operation

 

processes and logs curing

 

hours of operation

 

 

 

 

 

 

 

Heaterproducesawhistlingnoise

1.

Turning control knob to HI

1.

Turn control knob to LO

when burners are lit

 

position when burners are

 

position and let warm up for

 

 

 

cold

 

a minute

 

 

2.

Air in gas line

2.

Operate burners until air is

 

 

 

 

 

removed from line. Have gas

 

 

 

 

 

line checked by local natural

 

 

 

 

 

or propane/LP gas company

 

 

3.

Air passageways on heater

3.

Observe minimum installa-

 

 

 

blocked

 

tion clearances (see pages 8

 

 

4.

Dirty or partially clogged

 

through 10)

 

 

4.

Clean burners (see Cleaning

 

 

 

burner orifice(s)

 

and Maintenance, page 19)

 

 

 

 

 

 

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. may turn into

 

cleaners, or similar products

 

 

 

white powder residue

 

 

 

 

 

 

 

 

 

Moisture/condensation noticed

1.

Not enough combustion/ven-

1.

Refer to Air for Combustion

on windows

 

tilation air

 

and Ventilation requirements

 

 

 

 

 

(page 5)

 

 

 

 

 

 

Heater produces a clicking/tick-

1.

Metal expanding while heat-

1.

This is common with most

ing noise just after burners are lit

 

ing or contracting while

 

heaters. If noise is excessive,

or shut off

 

cooling

 

contact qualified service

 

 

 

 

 

person

22

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Image 22
Contents What to do if YOU Smell GAS Thermostat Models CDR3924NT and CDR3924PTTable of Contents Safety Information Local Codes Product Features Product IdentificationUnusually Tight Construction AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Confined and Unconfined SpaceVentilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Installation Check GAS TypeRear Installation and Clearances for VENT-FREE OperationLog WidthFloor Clearances Determining Minimum Mantel Clearance When Using a HoodMantel Clearances Determining Minimum Mantel ClearanceInstalling Heater Base Assembly Installation Items NeededConnecting to GAS Supply External Regulator With Vent Pointing DownNatural From Gas Checking GAS ConnectionsPropane/LP From Test Pressures In Excess Of 1/2 Psig 3.5 kPaInstalling Logs Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaAttaching Grate to Base Assembly Adding Lava RockOperating Heater For Your Safety Read Before LightingLighting Instructions To Turn OFF GAS To Appliance Manual Lighting ProcedureThermostat Control Operation Pilot Flame Pattern Technical ServiceInspecting Burners Burner Flame PatternsBurner Injector Holders and Pilot AIR Inlet Holes Cleaning MaintenanceLogs Troubleshooting Observed Problem Possible Cause RemedyMaintenance, Cold Minute Air in gas line Operate burners until air is Gas leak. See Warning Optional Positioning Thermostat Sensing Bulb For Masonry and FACTORY- Built Metal FireplaceService Hints SpecificationsReplacement Parts AccessoriesIllustrated Parts Breakdown Models CDR3924PT and CDR3924NTParts List Keep this Warranty Warranty InformationLimited Warranty Comfort Glow VENT-FREE GAS LOG Heaters