Desa DCFTNA Burner orifice is clogged, Mote-Ready Models Only, Or replace burner orifice

Page 31

TROUBLESHOOTING

Continued

OBSERVED PROBLEM POSSIBLE CAUSE

REMEDY

ODS/pilot lights but flame goes out when control knob is released

1.Control knob not fully pressed in

2.Control knob not pressed in long enough

3.Safety interlock system has been triggered

4.Equipment shutoff valve not fully open

5.Pilot flame not touching ther- mocouple, which allows ther- mocouple to cool, causing pilot flame to go out. This problem could be caused by one or both of the following:

A)Low gas pressure

B)Dirty or partially clogged ODS/pilot

6.Thermocouple connection loose at control valve

7.Thermocouple damaged

8.Control valve damaged

1.Press in control knob fully

2.After ODS/pilot lights, keep control knob pressed in 30 seconds

3.Wait one minute for safety in- terlock system to reset. Repeat ignition operation

4.Fully open equipment shutoff valve

5.A) Contact local natural or propane/LP gas company

B)Clean ODS/pilot (see Cleaning and Maintenance, page 28) or replace ODS/pilot assembly

6.Hand tighten until snug, then tighten 1/4 turn more

7.Replace pilot assembly

8.Replace control valve

Burner does not light after 1. Inlet gas pressure is too low

ODS/pilot is lit

 

2.

Burner orifice is clogged

3.

Thermopile leads disconnected

 

or improperly connected (Re-

 

mote-Ready Models Only)

4.

Burners will not come on in re-

 

mote position (Remote-Ready

 

Models Only)

1.Contact local natural or pro- pane/LP gas company

2.Clean burner (see Cleaning and Maintenance, page 28) or replace burner orifice

3.Reconnect leads (see Wiring Diagram, page 29)

4.Replace battery in transmitter and receiver

Delayed ignition of burner

1. Manifold pressure is too low

1.

Contact local natural or pro-

 

 

2.

Burner orifice is clogged

 

pane/LP gas company

 

 

2.

Clean burner (see Cleaning

 

 

 

 

 

and Maintenance, page 28)

 

 

 

 

 

or replace burner orifice

 

 

 

 

 

Burner backfiring during com-

1. Burner orifice is clogged or

1.

Clean burner (see Cleaning

bustion

 

damaged

 

and Maintenance, page 28)

 

 

2.

Damaged burner

 

or replace burner orifice

 

 

2.

Replace damaged burner

 

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

4.

Inlet gas pressure is too low

4.

Contact local natural or pro-

 

 

 

 

 

pane/LP gas company

111244-01E

www.desatech.com

31

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Contents What to do if YOU Smell GAS Shown with Optional Cabinet Mantel/Hearth Base AccessoryTable of Contents Safety Information Provide adequate clearances around air openings Product IdentificationUnpacking Optional Remote Control AccessoriesProduct Features Local CodesTools Required Phillips screwdriver Hood AssemblyHex wrench Scissors Providing Adequate Ventilation AIR for Combustion VentilationDetermining FRESH-AIR Flow for Fireplace Location Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Check GAS Type InstallationMinimum Clearance to Combustible Materials Installation ItemsBUILT-IN Fireplace Installation Fireplace ClearancesDepth If you have not installed hood, follow instruc- tions onMantel Clearances for Built-In Installation Optional Mantel InstallationRemove packaging from three remaining pieces of trim Installing Optional Blower Accessory GA3450TAReinstall top louver Align shim under adjusting plate as shown in FigureDoor Installing Blower AccessoryTest to make sure blower is working properly For Built-In InstallationLower louver Sediment Trap Connecting to GAS SupplyInstallation Items Needed Connecting Equipment Shutoff Valve to Heater ControlChecking GAS Connections Els or page 25 for Remote-Ready Models Correct all leaks at onceOptional Wall Mounted Optional Wireless HAND-HELD Remote Control AccessoriesInstalling Receiver Installing 9-Volt Battery in Hand-Held Remote Control UnitRemove jumper wire from control valve see , Optional Wall Switch GWMS2 Remote-Ready Models OnlyModels with One-Piece Screen Only Installing LOG SET and ScreenLighting Instructions Operating FireplaceOperating Blower Manual Lighting ProcedureTo Turn OFF GAS To Appliance Thermostat Control OperationAUTO/OFF/ON Blower Switch REMOTE-READY Models For Your Safety Read Before LightingOptional HAND-HELD Remote Operation If Using Optional Hand-Held RemoteON/OFF Series Model Cghrcb Manual ModeAuto Thermostatic Mode Auto Shutoff FeatureOptional GWMT1 Wall Mounted Thermostat Optional GWMS2 Wall Mounted SwitchKey Pad Lock Feature Inspecting BurnersIf burner flame pattern is incorrect, as shown in Figure Cleaning MaintenanceBurner Flame Pattern Burner Injector Holder and Pilot AIR Inlet HoleLOG SET Wiring DiagramCabinet Ignitor cable dry TroubleshootingObserved Problem Possible Cause Remedy Ignitor cable pinched or wetOr replace burner orifice Burner orifice is cloggedMote-Ready Models Only Models OnlySlight smoke or odor during When heated, vapors fromWalls or furniture Cleaners, etc. may turn into Mote-Ready Models Only Power is lowMent above Gas odor even when controlFireplace produces unwanted Ers, chemicals, new carpetThermostat Models SpecificationsRemote-Ready Models Parts Under Warranty Replacement PartsService Hints Technical ServiceIllustrated Parts Breakdown Parts List Illustrated Models Firebox Models CDCFNR, Cdcfpr Illustrated Parts Breakdown Thermostat Models FDCFTN/TP, VDCFRN/RP CDCFNR/PR REMOTE-READY Models THERMOSTAT-CONTROLLED Blower KIT GA3450TA AccessoriesEquipment Shutoff Valve GA5010 Brass Trim KIT GA6095Receiver and HAND-HELD Remote Control KIT Ghrcb and Cghrcb WALL-MOUNT Thermostat Switch GWMT1WALL-MOUNT ON/OFF Switch GWMS2 Cleaning KIT GCK/CCK111244-01E 111244-01E Not a UPC
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