Desa VMH26PRA, EFS26PR, VMH10TNB, VMH26NRA Troubleshooting, Observed Problem Possible Cause Remedy

Page 29

TROUBLESHOOTING

29

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 and un- plug fireplace and let cool before servicing. Only a qualified ser- vice 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 28) 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 28) 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 morevisit www..com

107032-01F

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualSafety Information Table of ContentsVent-Free Compact Classic Hearth Fireplace Product IdentificationProduct Features Optional Remote Control AccessoriesLocal Codes UnpackingAssembling Fireplace AssemblyDetermining FRESH-AIR Flow for Fireplace Location AIR for Combustion and VentilationProviding Adequate Ventilation Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors InstallationCheck GAS Type Installation ItemsFireplace Clearances Minimum Clearance to Combustible MaterialsRough Opening for Installing in Wall BUILT-IN Fireplace InstallationMantel Clearances for Built-In Installation Optional Mantel InstallationAssembling Brass Trim Brass trim shipped with mantel Removing Upper Louver Assembly and Branch SupportInstalling Blower Bracket Assembly Installing Blower AccessoryExtension Cord For Built-In InstallationRemoving Upper Louver Assembly Removing Valve Cover Shield Installing Blower AssemblyValve Cover Shield Switch PlateScrew Attaching Wood Base to Solid Floor Connecting to GAS SupplyInstallation Items Needed Connecting Equipment Shutoff Valve to Heater ControlChecking GAS Connections Pressure Testing gas Supply Piping systemInstalling Receiver Optional Wireless HAND-HELD Remote Control AccessoriesPressure Testing Fireplace Gas Connections Optional Wall Mounted Thermostat GWMT1 Installing 9-Volt Battery in Hand-Held Remote Control UnitBack View of Thermostat Base Installing LOG SET and ScreenLighting Instructions Operating FireplaceREMOTE-READY Models For Your Safety Read Before Lighting Manual Lighting ProcedureTo Turn OFF GAS To Appliance Thermostat Control OperationPropane/LPGasPilot Natural Gas Pilot GWMT1 Wall Mounted Thermostat Optional Optional Remote OperationThermostat Control Operation Ghrcta Series OperationInspecting Burners GWMS2 Wall Mounted Switch OptionalPilot Flame Pattern Burner Flame PatternCleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning MaintenanceLOG SET CabinetObserved Problem Possible Cause Remedy TroubleshootingRemedy Observed Problem Possible CauseGas leak. See Warning statement Service Hints SpecificationsTechnical Service When Gas Pressure Is Too LowParts Under Warranty Replacement Parts Wiring DiagramParts not Under Warranty Remote-Ready Models OnlyTHERMOSTAT-CONTROLLED Models VMH10TPB, VMH10TNB Illustrated Parts BreakdownTHERMOSTAT-CONTROLLED Models Parts ListEFS26PR, EFS26NR REMOTE-READY ModelsParts List Accessories WALL-MOUNT Thermostat Switch GWMT1 Cleaning KIT GCKWALL-MOUNT ON/OFF Switch GWMS2 Receiver and HAND-HELD Remote Control KIT GhrcFor . .com Owners Registration Form Postage Required 107032-01F Limited Warranty VENT-FREE Compact Classic Hearth Fireplace Warranty Information

VMH10TNB, VMH26NRA, EFS26PR, VMH26PRA specifications

Desa VMH26PRA, EFS26PR, VMH10TNB, and VMH26NRA are notable models in the versatile and efficient heater category that cater to diverse heating needs. Each unit incorporates advanced technologies and features designed to provide reliable warmth while ensuring user convenience.

The Desa VMH26PRA is known for its robust design and impressive performance. Featuring a powerful output, it efficiently warms up spaces making it ideal for larger areas. The model is equipped with a digital thermostat that allows for precise temperature control, providing users the ability to set and maintain their desired warmth effortlessly. Additionally, its safety features, including an automatic shut-off mechanism, ensure peace of mind during operation.

EFS26PR stands out for its energy efficiency and eco-friendly attributes. This model utilizes innovative heating technology that minimizes energy consumption while maximizing output. An integrated fan promotes enhanced air circulation, ensuring that heat disperses evenly throughout the room. The compact design and portability mean it can be easily moved from one location to another, making it a perfect choice for both residential and commercial spaces.

VMH10TNB is notable for its unique combination of performance and aesthetic appeal. This model features a sleek contemporary design that can complement various interior styles. With adjustable heat settings and a user-friendly control panel, this unit aims to provide customized comfort. Moreover, the advanced infrared heating technology utilized in VMH10TNB distributes warmth without compromising air quality, making it a wise choice for those with respiratory sensitivities.

Lastly, the VMH26NRA model is amplified by its high-capacity heating potential. Perfect for colder climates, it boasts a powerful heat output that ensures rapid warmth in a short time. The model is engineered with user-friendly touch controls and a programmable timer that enhances convenience. Safety remains a priority with this heater, which includes a tip-over switch and overheat protection, ensuring secure operation at all times.

In summary, the Desa VMH26PRA, EFS26PR, VMH10TNB, and VMH26NRA all bring distinct features and technologies designed to cater to various heating requirements. Whether looking for advanced safety features, energy efficiency, or stylish design, these models present excellent options for effective heating solutions.
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