Desa and EFS26NR, EFS10TP, EFS10TN Troubleshooting, Observed Problem Possible Cause Remedy

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TROUBLESHOOTING

TROUBLESHOOTING

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

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

WARNING: Turn off and unplug fireplace and let cool before servic- ing. Only a qualified service person should service and repair fireplace.

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

 

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

When ignitor button is pressed, there is no

1.

Ignitor electrode not connected to igni-

1.

Reconnect ignitor cable

 

spark at ODS/pilot

 

tor cable

 

 

 

 

2.

Ignitor cable pinched or wet

2.

Free ignitor cable if pinched by any

 

 

 

 

 

metal or tubing. Keep ignitor cable dry

 

 

3.

Broken ignitor cable

3.

Replace ignitor cable

 

 

4.

Bad piezo ignitor

4.

Replace piezo ignitor

 

 

5.

Ignitor electrode positioned wrong

5.

Replace pilot assembly

 

 

6.

Ignitor electrode broken

6.

Replace pilot assembly

 

 

 

 

 

 

 

When ignitor button is pressed, there is

1.

Gas supply turned off or equipment

1.

Turn on gas supply or open equipment

 

spark at ODS/pilot but no ignition

 

shutoff valve closed

 

shutoff valve

 

 

2.

Control knob not in PILOT position

2.

Turn control knob to PILOT position

 

 

3.

Control knob not pressed in while in

3.

Press in control knob while in PILOT

 

 

 

PILOT position

 

position

 

 

4.

Air in gas lines when installed

4.

Continue holding down control knob.

 

 

 

 

 

Repeat igniting operation until air is

 

 

 

 

 

removed

 

 

5.

Depleted gas supply (propane/LP only)

5.

Contact local propane/LP gas company

 

 

6.

ODS/pilot is clogged

6.

Clean ODS/pilot (see Cleaning and

 

 

 

 

 

Maintenance, page 29) or replace ODS/

 

 

 

 

 

pilot assembly

 

 

7.

Gas regulator setting is not correct

7.

Replace gas regulator

 

 

 

 

 

 

 

ODS/pilot lights but flame goes out when

1.

Control knob not fully pressed in

1.

Press in control knob fully

 

control knob is released

2.

Control knob not pressed in long enough

2.

After ODS/pilot lights, keep control

 

 

 

 

 

knob pressed in 30 seconds

 

 

3.

Safety interlock system has been

3.

Wait one minute for safety interlock sys-

 

 

 

triggered

 

tem to reset. Repeat ignition operation

 

 

4.

Equipment shutoff valve not fully open

4.

Fully open equipment shutoff valve

 

 

5.

Pilot flame not touching thermocouple,

5.

A) Contact local natural or propane/LP

 

 

 

which allows thermocouple to cool,

 

gas company

 

 

 

causing pilot flame to go out. This prob-

 

 

 

 

 

lem could be caused by one or both of

 

B) Clean ODS/pilot (see Cleaning and

 

 

 

the following:

 

Maintenance, page 29) or replace ODS/

 

 

 

A) Low gas pressure

 

pilot assembly

 

 

 

B) Dirty or partially clogged ODS/pilot

 

 

 

 

6.

Thermocouple connection loose at con-

6.

Hand tighten until snug, then tighten

 

 

 

trol valve

 

1/4 turn more

 

 

7.

Thermocouple damaged

7.

Replace pilot assembly

 

 

8.

Control valve damaged

8.

Replace control valve

For..com

107032-01H

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Contents OWNER’S Operation and Installation Manual Unvented VENT-FREE GAS Compact Classic Hearth FireplaceWhat to do if YOU Smell GAS Table of Contents Safety InformationProduct Identification Vent-Free Compact Classic Hearth FireplaceLocal Codes Optional Remote Control AccessoriesProduct Features UnpackingAssembly Assembling FireplaceAIR for Combustion and Ventilation Providing Adequate VentilationDetermining FRESH-AIR Flow for Fireplace Location Ventilation AIR Ventilation Air From Inside BuildingInstallation Ventilation Air From OutdoorsInstallation Items Check GAS TypeFireplace Clearances BUILT-IN Fireplace Installation Rough Opening for Installing in WallOptional Mantel Installation Mantel Clearances for Built-In InstallationRemoving Upper Louver Assembly and Branch Support Assembling Brass Trim Brass trim shipped with mantelInstalling Blower Accessory Power Cord SnapFor Built-In Installation Removing Upper Louver AssemblyExtension Cord Installing Blower Assembly Removing Valve Cover ShieldValve Cover Shield Switch PlateScrew Connecting to GAS Supply Attaching Wood Base to Solid FloorConnecting Fireplace to GAS Supply Installation Items NeededPressure Testing gas Supply Piping system Checking GAS ConnectionsOptional Wireless HAND-HELD Remote Control Accessories Pressure Testing Fireplace Gas ConnectionsInstalling Receiver Installing 9-Volt Battery in Hand-Held Remote Control Unit Optional Wall Mounted Thermostat GWMT1Optional Wall Switch GWMS2 Remote-Ready Models Only Installing LOG SET and ScreenOperating Fireplace Lighting InstructionsTo Turn OFF GAS To Appliance Manual Lighting ProcedureREMOTE-READY Models For Your Safety Read Before Lighting Thermostat Control OperationPropane/LPGasPilot Optional HAND-HELD Remote Operation Manual ModeAuto Thermostatic Mode Thermostat Series Model GhrctbGWMS2 Wall Mounted Switch Optional Operating Blower Safety FeaturesGWMT1 Wall Mounted Thermostat Optional Inspecting Burners Pilot Flame PatternBurner Flame Pattern Cleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning MaintenanceWiring Diagram LOG SETTroubleshooting Observed Problem Possible Cause RemedyRefer to Air for Combustion and Venti Gas leak. See Warning statement Service Hints SpecificationsReplacement Parts Technical ServiceIllustrated Parts Breakdown THERMOSTAT-CONTROLLED Models VMH10TPB, VMH10TNBParts List THERMOSTAT-CONTROLLED Models22 36 REMOTE-READY Models Accessories WALL-MOUNT ON/OFF Switch GWMS2 Cleaning KIT GCKWALL-MOUNT Thermostat Switch GWMT1 Receiver and HAND-HELD Thermostat Remote Control KIT GhrctbFor . .com Owners Registration Form Postage Required 107032-01H Warranty Information

EFS10TP, EFS10TN, and EFS26NR specifications

Desa is a recognized leader in the innovation and manufacture of advanced heating solutions designed to deliver optimal performance and efficiency. Among their most notable offerings are the EFS26NR, EFS10TP, and EFS10TN models, each engineered with unique features and technologies to meet diverse heating needs.

The EFS26NR is a notable model known for its large heating capacity and effectiveness in maintaining consistent warmth in larger spaces. With a robust output, this unit can efficiently heat areas up to 1,800 square feet, making it suitable for homes or commercial settings. One of the primary characteristics of the EFS26NR is its advanced heating technology, which includes a high-efficiency burner that maximizes fuel usage, reducing operational costs. Additionally, it features a built-in thermostat, providing automated temperature adjustments for enhanced comfort.

On the other hand, the EFS10TP is designed for versatility and practicality. This model is ideal for smaller rooms or as a supplementary heating option. The EFS10TP offers users the convenience of a portable heater equipped with wheels, allowing for easy mobility. This model is equipped with user-friendly controls and a safety shut-off feature, ensuring peace of mind while in use. The EFS10TP utilizes a compact design without sacrificing performance, allowing it to fit seamlessly into various settings.

Similar in size, the EFS10TN focuses on energy efficiency as its main selling point. This model uses a unique infrared heating technology that allows for more direct heating of objects and people rather than warming the air, resulting in lower energy consumption. The EFS10TN is perfect for those looking to reduce their carbon footprint while still achieving a warm, inviting environment. Enhanced safety features such as tip-over protection and overheat shut-off further ensure its suitability for use in homes with children or pets.

Overall, the Desa heating solutions—EFS26NR, EFS10TP, and EFS10TN—each provide distinct advantages tailored to specific heating requirements. With a commitment to innovation, safety, and efficiency, these models are exemplary choices for those seeking dependable and effective heating options. Whether for large areas or cozy spaces, Desa ensures that there is a suitable solution for every heating need.
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