Vanguard Heating VMH26NR installation manual Troubleshooting, Observed Problem Possible Cause

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® VMH26NR

COMPACT CLASSIC HEARTH FIREPLACE

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 qualified service person should service and repair heater.

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 spark at ODS/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 to base panel of log set. Nut is located behind base panel

4.Replace ignitor cable

5.Replace piezo ignitor

6.Replace piezo ignitor

7.Replace piezo ignitor

When ignitor button is pressed, there is spark at ODS/pilot but no ignition

1.Gas supply turned off or manual shutoff valve closed

2.Control knob not in PILOT position

3.Control knob not pressed in while in PILOT position

4.Air in gas lines when installed

5.ODS/pilot is clogged

6.Gas regulator setting is not correct

1.Turn on gas supply or open manual shutoff valve

2.Turn control knob to PILOT position

3.Press in control knob while in PILOT position

4.Continue holding down control knob. Repeat igniting operation until air is removed

5.Clean ODS/pilot (see Cleaning and Maintenance, page 25) or replace ODS/ pilot assembly

6.Replace gas control

ODS/pilot lights but flame goes out when control knob is released

1.Control knob not fully pressed in

2.Control knob not pressed in long enough

3.Manual 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 ODS/pilot

5.Thermocouple connection loose at con- trol valve

6.Thermocouple damaged

7.Control valve damaged

1.Press in control knob fully

2.After ODS/pilot lights, keep control knob pressed in 30 seconds

3.Fully open manual shut-off valve

4.A) Contact local natural gas company

B) Clean ODS/pilot (see Cleaning and Maintenance, page 25) or replace ODS/ pilot assembly

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

6.Replace thermocouple

7.Replace control valve

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Contents VENT-FREE Natural GAS What to do if YOU Smell GASSafety Information Compact Classic Hearth FireplaceProduct Identification Product FeaturesRemote Control Accessories Local CodesAssembling Fireplace AssemblyInstalling Log Assembling HoodUnusually Tight Construction AIR for Combustion and VentilationProviding Adequate Ventilation Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Fireplace Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Check GAS Type InstallationInstallation Items Locating FireplaceBUILT-IN Fireplace Installation Rough Opening for Installing in WallMantel Clearances for Built-In Installation Optional Mantel InstallationAssembling Brass Trim Brass trim shipped with mantel Removing Upper Louver Assembly Installing Blower Accessory GA3400TInstalling Blower Assembly For Built-In Installation Follow steps 2 through 6 in Installing Blower Assembly,Extension Cord Connecting to GAS SupplyAttaching Wood Base to Solid Floor Connecting Fireplace to GAS Supply Installation Items NeededPressure Testing Fireplace Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Installing 9-Volt Battery in Hand- Held Remote Control Unit Optional Wireless HAND- Held Remote Control AccessoriesInstalling Receiver Optional Wall Mounted Thermostat GWMT1Optional Wall Switch GWMS2 Thermostat Base Terminals W and ROperating Fireplace For Your Safety Read Before LightingLighting Instructions Manual Lighting Procedure Optional Remote Operation To Turn OFF GAS To ApplianceGWMT1 Wall Mounted Thermostat Optional GWMS2 Wall Mounted Switch OptionalOperating Blower Pilot Flame Pattern Inspecting BurnerBurner Flame Pattern Troubleshooting Observed Problem Possible CauseObserved Problem Possible Cause Remedy Top Technical Service Cleaning and MaintenanceService Hints Wiring DiagramAccessories Specifications Replacement PartsIllustrated Parts Breakdown VMH26NR4Parts List VMH26NRWarranty Information

VMH26NR specifications

The Vanguard Heating VMH26NR is an innovative heating solution designed to provide efficient warmth while prioritizing energy savings and user comfort. With its sleek design and advanced technologies, the VMH26NR stands out in the crowded market of heating appliances.

One of the main features of the VMH26NR is its powerful heating capability. Equipped with a robust heating element, it can produce a significant amount of warmth quickly, making it ideal for medium to large spaces. Whether you are heating a living room, office, or workshop, the VMH26NR ensures that you stay comfortable during the colder months.

Efficiency is another hallmark of this model. The VMH26NR employs cutting-edge energy-saving technologies that optimize power consumption. This not only reduces energy bills but also lessens the environmental impact associated with conventional heating methods. Users can enjoy a warm atmosphere while being conscious of their carbon footprint.

The VMH26NR also features a user-friendly digital thermostat, which allows for precise temperature control. Users can easily adjust the settings to their comfort level, ensuring that the space remains at an ideal temperature without unnecessary energy expenditure. The digital display provides clear readings, making it easy to monitor performance and settings.

For added convenience, the unit comes with a programmable timer, allowing users to schedule the heating periods according to their routines. This feature is particularly beneficial for those who want the heater to operate only when needed, further enhancing energy efficiency and user convenience.

Safety is a top priority in the design of the VMH26NR. It is equipped with several safety features, including overheat protection and a tip-over switch, which automatically shuts off the unit in case of accidents. This ensures peace of mind, especially in households with pets or young children.

The Vanguard Heating VMH26NR also boasts a compact, portable design that makes it easy to move from room to room. Its lightweight construction and built-in handles provide added portability, allowing users to enjoy warmth wherever it is needed most.

In conclusion, the Vanguard Heating VMH26NR is a powerful, efficient, and user-friendly heating solution. Its advanced features, safety mechanisms, and adaptability make it an excellent choice for anyone looking to enhance their comfort during the chilly seasons. Whether you are a homeowner or a business owner, the VMH26NR promises to deliver reliable performance and satisfaction.
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