Desa (V)V42P, (V)V42N, (V)V36P, CHDV36NR, CHDV42NR Troubleshooting, Observed Problem Possible Cause

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TROUBLESHOOTING

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 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

108861-01D

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Contents TM 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 Siding Standoff Horizontal Termination Configurations Vertical Horizontal H Models 32 3/ 4 minModels 36 3/ 4 min Corner Installation Horizontal System Installation Using TWO 90 Elbows Venting with Two 90 ElbowsInstallation for Vertical Termination Flat Ceiling InstallationVertical Termination Configurations Venting with One 90 ElbowDesa International Elbows High Altitude InstallationDesa International 5/8 Pipe & Vent Kits Vertical VentingDesa International Venting Accessories Desa International 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 36 and 42 Series and Log No 42 Series Only Operating Fireplace For Your Safety Read Before LightingManual Lighting Procedure Lighting InstructionsOptional Remote Operation Cghrc Series OperationCghrcta Series Operation 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 Parts List CHDV36NR Description QTYIllustrated Parts Breakdown KEY Part Number Description QTY VV42P, V42PS, VV42PH, CHDV42NR Refractory Brick Panels CHDV42NR Illustrated Parts Breakdown KEY Part Number Description QTY Accessories Receiver and HAND-HELD ON/OFF Remote Control KIT Ghrc Series Wall Mounted Thermostat ControlWarranty Information

(V)V42P, CHDV42NR, (V)V36P, (V)V42N, CHDV36NR specifications

Desa (V)V42N, CHDV36NR, (V)V36P, (V)V42P, and CHDV42NR represent a range of cutting-edge technological innovations designed for modern heating solutions. These models exemplify the combination of efficiency, versatility, and advanced control features that cater to diverse user needs in both residential and commercial spaces.

One of the standout features of these models is their energy efficiency. Utilizing the latest in burner technology, they are engineered to provide robust heating with minimal fuel consumption. This not only helps in reducing energy bills but also supports environmentally friendly practices by lowering carbon emissions.

The Desa (V)V42N model is particularly notable for its smart thermostat compatibility. It allows users to integrate their heating system with smart home technologies, enabling remote access and control via mobile applications. This feature ensures users can monitor and adjust their heating settings from anywhere, enhancing convenience and comfort.

In contrast, the CHDV36NR model is designed with a focus on aesthetics and ambiance. This model incorporates a modern design with sleek finishes that can seamlessly blend into various interior styles. Its unique viewing window offers a stunning display of flames, creating a captivating focal point in any room.

For those looking for adaptable heating solutions, the (V)V36P and (V)V42P models are equipped with modular capabilities. These designs allow for easy installation and expansion, accommodating different room sizes and heating needs. Moreover, they feature advanced fan systems that distribute heat evenly, ensuring consistent warmth throughout the space.

The CHDV42NR brings another layer of technology with its dual-fuel capability, allowing users to choose between natural gas and propane. This flexibility is particularly advantageous in regions where fuel availability may vary, ensuring reliable performance regardless of the energy source.

Overall, the Desa (V)V42N, CHDV36NR, (V)V36P, (V)V42P, and CHDV42NR models showcase a robust combination of efficiency, advanced technology, and user-friendly features. Whether enhancing indoor comfort with smart technology, aesthetics, or adaptability, these products set a benchmark in the heating solution market. They are perfect for those seeking reliable performance and modern design in their heating systems.