Desa (V)VC42NE Series, (V)VC42PE Series Troubleshooting, Observed Problem Possible Cause Remedy

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TROUBLESHOOTING

TROUBLESHOOTING

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

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

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

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

Ignitor will not spark or pilot will not light

1.

No gas supply or shutoff valve is OFF

1.

Check to see if you have gas supply and

 

 

 

 

that equipment shutoff valve is opened

 

2.

Air in gas line

2.

Repeat lighting procedure several times

 

 

 

 

to purge all air out of lines. If after re-

 

 

 

 

peated attempts appliance does not light,

 

 

 

 

call for qualified service and repair.

 

3.

Construction debris clogging pilot orifice

3.

Remove debris and dirt, inspect and

 

 

 

 

clean any other possible obstructions

 

4.

Low gas pressure

4.

Contact your gas supplier to check

 

 

 

 

pressure

 

5.

Kinked pilot line

5.

Have a qualified technician replace pilot

 

 

 

 

line

 

6.

Control valve is not opening

6.

Replace control valve (Refer to Replace-

 

 

 

 

ment Parts, page 28)

 

7.

No power to unit or the ignition module

7.

Check that main power is on and that all

 

 

or power transformer is bad

 

wire connections are made correctly to

 

 

 

 

the ignition model (see Wiring Diagram,

 

 

 

 

page 23). Check for 24 VAC at the

 

 

 

 

secondary side of the transformer. If 24

 

 

 

 

VAC is present and the module does not

operate, have the module replaced oth- erwise have the transformer replaced

Pilot will not stay lit

1.

Loose wiring on ignitor wire to ignition

 

 

module and/or poor ground to ignition

 

 

module

 

2.

Pilot flame too low to sense

1.Check wiring connection. Refer to wir- ing diagram (see Wiring Diagram, page 23) and/or check ground wire to ignition module

2.Clean and adjust pilot burner and check

gas supply and inlet pressure to unit

Note: Have a qualified technician replace pilot assembly if broken or corroded

No gas to burner, although wall switch and

1.

Wall switch wires defective or too

1.

Check electrical connections

valve are set to the ON position

 

long

 

 

 

 

 

 

 

Frequent pilot outage

1.

Pilot flame may be too low, causing

1.

Clean and adjust pilot flame for maximum

 

 

safety pilot to “drop out”

 

flame impingement on thermopile

 

2.

Improper venting or excessive blockage

2.

Have the vent system inspected, includ-

 

 

 

 

ing the termination cap. Remove any

 

 

 

 

restriction or obstruction

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116237-01D

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Contents For Your Safety For Your Safety What to do if YOU Smell GASTable of Contents Safety InformationSafety Information Product Identification Local CodesLocation and Space Requirements Product FeaturesPRE-INSTALLATION Preparation Clearances Framing and FinishingLocation of Termination CAP Termination CAP AIR Supply Inlet GAS MeterVenting Installation Instructions Installation PrecautionsInstallation Planning Horizontal Termination InstallationInstalling Horizontal Vent Cap Noncombustible Exterior Venting Installation Instructions Horizontal Termination ConfigurationsCorner Installation Venting with Two 90 Elbows Installation for Vertical Termination Flat Ceiling InstallationVertical Termination Configurations Vertical V Horizontal H Min Max 12 max 18 max 20 maxHigh Altitude Installation Installing Optional Blower Accessory Venting InstallationFireplace Installation Check GAS Type Desa 5/8 Pipe & Vent KitsFireplace Installation Model BKT InstallationInstallation Items Needed Installing GAS Piping to Fireplace LocationBlower Wiring Diagram Checking GAS Connections Connecting Fireplace to GAS SupplyPressure Testing Gas Supply Piping System Removing Louver Panels Pressure Testing Fireplace Gas ConnectionsREMOVING/REPLACING Glass Door Removing Glass Door Installing Lava Rock and Glowing EmbersCleaning Glass Door Optional Remote Control Installation Model WRC Installing Brick Liner Models BL42DASA and BL42DHASAWall Switch Installation Lighting Instructions Wiring DiagramOperating Fireplace Optional Remote Operating Optional Blower AccessoryTo Turn OFF GAS To Appliance OperationPilot and Burners Cleaning MaintenanceGlass Door LogsTroubleshooting Observed Problem Possible Cause RemedyGas leak. See Warning statement at Technical Service Replacement PartsService Hints Parts Under WarrantySpecifications Illustrated Parts Breakdown Models VC42NE, VC42PE, VVC42NE and VVC42PEParts List KEY Part Number Description QTY2827 19 18 116237-01D KEY Part Number Description Accessories Owners Registration Form Postage Required 116237-01D Warranty Information Keep this Warranty

(V)VC42NE Series, (V)VC42PE Series specifications

The Desa (V)VC42NE Series and (V)VC42PE Series are advanced heating systems designed for residential and commercial applications. These models offer a unique combination of efficiency, performance, and user-friendly features, catering to diverse heating needs.

One of the standout features of both series is their exceptional energy efficiency. Utilizing cutting-edge technology, these heating solutions provide substantial savings on energy costs while minimizing environmental impact. The (V)VC42NE Series is particularly known for its low emissions, adhering to strict environmental regulations and contributing to cleaner air quality.

In terms of technology, the series incorporates innovative heating design and advanced materials. The high-efficiency burners ensure maximum heat output with minimal fuel consumption. Furthermore, the built-in diagnostics make it easy for homeowners and technicians to monitor performance and troubleshoot any issues that may arise, ensuring consistent and reliable operation over time.

The (V)VC42NE and (V)VC42PE models are equipped with user-friendly control systems. The intuitive interface allows users to set and adjust temperatures with ease, making it accessible for everyone. Additionally, these systems support programmable settings, enabling users to customize their heating schedules based on their lifestyle and preferences, thereby enhancing comfort and convenience.

Another essential characteristic of these series is their versatility in installation. With options for both vented and unvented configurations, users can choose the system that best fits their space and requirements. This flexibility allows for seamless integration into various environments, whether in homes, offices, or commercial establishments.

Safety is also a paramount focus in the design of the (V)VC42NE and (V)VC42PE Series. Built-in safety features, including flame failure devices and overheat protection, offer peace of mind to users by minimizing the risk of accidents.

Lastly, the sleek and modern appearance of these heating solutions ensures that they complement any décor. Their durable construction guarantees longevity, making the Desa series a reliable investment for those seeking effective heating solutions. In summary, the Desa (V)VC42NE Series and (V)VC42PE Series provide a potent combination of efficiency, safety, and user-friendly features, making them ideal choices for anyone in need of a dependable heating system.
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