Desa (V)V42NA(1) installation manual Troubleshooting, Observed Problem Possible Cause

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TROUBLESHOOTING

TROUBLESHOOTING

Note: For additional help, visit DESA’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 quali- fied 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 Mainte- nance, page 29) 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 natural or propane/LP gas company

B)Clean pilot (see Cleaning and Maintenance, page 29) or replace pi- lot assembly

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

6.Replace pilot assembly

7.Replace control valve

For..com

111906-01A

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Contents OWNER’S Operation Installation Manual For Your SafetyFor Your Safety What to do if YOU Smell GAS Table of Contents Safety InformationSafety Information Product Identification Local CodesProduct Features PRE-INSTALLATION PreparationLocation and Space Requirements Clearances Framing and FinishingLocation of Termination CAP Balcony with Perpendicular Side WallVenting Installation Instructions Installation PrecautionsInstallation Planning Horizontal Termination InstallationInstalling Horizontal Vent Cap Noncombustible Exterior Horizontal Termination Configurations Horizontal HCorner Installation Horizontal System Installation Using TWO Elbows Venting with Two 90 ElbowsInstallation for Vertical Termination Flat Ceiling InstallationVertical Termination Configurations Venting with Two 90 Elbows Venting with One 90 ElbowHigh Altitude Installation Vertical VentingNumber Description Desa Elbows Desa Venting AccessoriesDesa 5/8 Pipe & Vent Kits Desa TerminationsModel BK Installation Fireplace InstallationInstalling Optional Blower Accessories Check GAS TypeModel BKT Installation Blower Model BKTInstalling GAS Piping to Fireplace Location Blower Wiring DiagramInstallation Items Needed Pressure Testing Gas Supply Piping System Connecting Fireplace to GAS SupplyInstallation Items Needed Checking GAS ConnectionsPressure Testing Fireplace Gas Connections Checking Gas Joints for Propane/LP Gas FireplaceReplace the switch bracket Removing Louver Panels Cleaning Glass DoorREMOVING/REPLACING Glass Door Removing Glass DoorsInstalling LOGS, Lava Rock and Glowing Embers Installing Rear Brick PanelInstalling Log No and Log No Operating Fireplace For Your Safety Read Before LightingManual Lighting Procedure Lighting InstructionsOptional HAND-HELD Remote Operation Thermostat Series Models Ghrctb and CghrctbON/OFF Series Models Ghrcb and Cghrcb Inspecting Burners Operating Optional Blower AccessoryPilot Assembly Operating Optional GWMT1 Wall Mounted ThermostatPilot and Burners Cleaning MaintenanceGlass Door LogsTroubleshooting Observed Problem Possible CauseObserved Problem Possible Cause Remedy Gas leak. See Warning statement AboveTechnical Service Replacement PartsService Hints SpecificationsIllustrated Parts Breakdown CHDV42NRAParts List CHDV42NRA Description QTYIllustrated Parts Breakdown KEY Part Number Description QTY Accessories Owners Registration Form Postage Required 111906-01A Warranty Information

(V)V42NA(1) specifications

Desa (V)V42NA(1) is a sophisticated model designed for a wide range of applications, showcasing advanced features and cutting-edge technologies that make it stand out in its category. This model is particularly noted for its efficiency and robustness, catering to both commercial and residential needs.

One of the primary features of the Desa (V)V42NA(1) is its enhanced energy efficiency. It is engineered to optimize fuel consumption while delivering superior performance. This efficiency is primarily achieved through the use of innovative combustion technology that ensures a cleaner and more controlled burn, resulting in lower emissions. This environmental consideration makes it a suitable choice for eco-conscious consumers, aligning with global trends towards sustainability.

The Desa (V)V42NA(1) is equipped with a user-friendly interface, which allows for easy operation and control. Its digital display provides real-time information on performance parameters, making it easy for users to monitor and adjust settings as needed. This aspect of the design emphasizes user convenience and accessibility.

Another key characteristic is its adaptability. The model can easily be integrated into various settings, whether as a stand-alone unit or as part of a larger system. It is compatible with various heating and cooling technologies, making it versatile for both new installations and retrofitting projects. This flexibility is further enhanced by the availability of optional accessories that allow users to customize the unit according to their specific requirements.

Durability is another standout feature of the Desa (V)V42NA(1). Built with high-quality materials, this model is designed to withstand the rigors of everyday use while requiring minimal maintenance. This reliability ensures longevity, making it a cost-effective choice for users looking for a long-term heating solution.

In summary, the Desa (V)V42NA(1) exemplifies a harmonious blend of efficiency, user-friendliness, versatility, and durability. Its advanced technologies and features cater to a wide variety of needs, establishing it as a standout product in the heating technology market. As consumers continue to seek efficient and reliable solutions, the Desa (V)V42NA(1) stands ready to meet these growing demands.
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