Desa DVF34P installation manual Troubleshooting, Observed Problem Possible Cause

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OWNER’S MANUAL

TROUBLESHOOTING

Note: For additional help, visit DESA International’s technical service web site at www.desatech.com.

Note: All troubleshooting items are listed in order of operation.

WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.

CAUTION: Never use a wire, needle, or similar object to clean pilot. This can damage pilot unit.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

When ignitor button is pressed, there is no spark at pilot

1.Ignitor electrode not connected to igni- tor cable

2.Ignitor cable pinched or wet

3.Piezo ignitor nut is loose

4.Broken ignitor cable

5.Bad piezo ignitor

6.Ignitor electrode broken

7.Ignitor electrode positioned wrong

1.Reconnect ignitor cable

2.Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry

3.Tighten nut holding piezo ignitor. Nut is located behind the mounting bracket

4.Replace ignitor cable

5.Replace piezo ignitor

6.Replace pilot assembly

7.Replace pilot assembly

When ignitor button is pressed, there is spark at pilot but no ignition

1.Gas supply turned off or equipment shutoff valve closed

2.Gas control knob not in PILOT position

3.Gas control knob not pressed in while in PILOT position

4.Air in gas lines when installed

5.Depleted gas supply (propane/LP models only)

6.Pilot is clogged

7.Gas regulator setting is not correct

1.Turn on gas supply or open equipment shutoff valve

2.Turn gas control knob to PILOT position

3.Press in gas control knob while in PILOT position

4.Continue holding down control knob. Repeat igniting operation until air is re- moved

5.Contact local propane/LP gas company

6.Clean pilot (see Cleaning and Maintenance, page 26) or replace pilot assembly

7.Replace gas control

Pilot lights but flame goes out when control knob is released

1.Gas control knob not fully pressed in

2.Gas control knob not pressed in long enough

3.Equipment shutoff valve not fully open

4.Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out. This prob- lem could be caused by one or both of the following:

A)Low gas pressure

B)Dirty or partially clogged pilot

5.Thermocouple connection loose at con- trol valve

6.Thermocouple damaged

7.Control valve damaged

1.Press in gas control knob fully

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

3.Fully open equipment shutoff valve

4.A) Contact local gas company

B)Clean pilot (see Cleaning and Maintenance, page 26) or replace pilot assembly

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

6.Replace thermocouple

7.Replace control valve

www.desatech.com

Continued

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Contents For Your Safety For Your Safety What to do if YOU Smell GASNatural GAS Model DVF34 PROPANE/LP GAS Model DVF34P DVF34, DVF34P DIRECT-VENT Fireplace NATURAL/PROPANE/LP Safety InformationOperation Product IdentificationLocal Codes Glossary TermsFraming and Finishing PRE-INSTALLATION PreparationClearances Location and Space RequirementsPRE-INSTALLATION General Venting Preparation Location of VentTermination General Venting Installing Vent System in a Chase Venting InstallationInstallation Precautions Installation PlanningSnorkel Termination with Drainage Pipe Installation for Horizontal TerminationRigid Vent Pipe Connections Horizontal Venting Horizontal Termination ConfigurationsVenting with Two 90 Elbows Installation for Vertical Termination Flat Ceiling InstallationCathedral Ceiling Installation Venting with Two 90 Elbow s Vertical Termination ConfigurationsVertical Venting High Altitude Installation Parts Lists for Venting Kits and ComponentsFMI Rigid Venting Check GAS Type Fireplace InstallationInstalling Optional Blower Accessory Installing GA3700/DA3610TA BlowersIf your fireplace system is installed Installation Items Needed Installing GAS Piping to Fireplace LocationConnecting Fireplace to GAS Supply Pressure Testing Gas Supply Piping SystemChecking GAS Connections Close equipment shutoff valve see Fig- ure Pressure Testing Fireplace Gas ConnectionsInstalling Optional Wall Mount Switch GWMS2 Installing 9-Volt Alkaline Battery into ReceiverREMOVING/REPLACING Glass Door Attaching Magnetic Decorative Brass Strips Installing Optional Brick Liner D8037AInstalling Log No Installing LOGS, Lava Rock and Glowing EmbersLighting Instructions For Your Safety Read Before LightingManual Lighting Procedure Operating FireplaceInspecting Burners Operating Optional Blower AccessoryOperating Optional GWMS2 Wall Mounted Switch Pilot AssemblyCleaning and Maintenance Observed Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Gas leak. See Warning statement Technical Service Replacement PartsWiring Diagram Service HintsDVF34 DVF34P SpecificationsDVF34 DVF34P Illustrated Parts BreakdownDIRECT-VENT Fireplace DVF34 DVF34P Parts ListAccessories 106424 Warranty Information