Vanguard Heating VMH26TPA Troubleshooting, Observed Problem Possible Cause Remedy

Page 20

® VMH26TPA

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 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 cable pinched or wet

1.

Free ignitor cable if pinched by any

spark at ODS/pilot

 

 

 

metal or tubing. Keep ignitor cable dry

 

2.

Ignitor electrode not connected to igni-

2.

Reconnect ignitor cable

 

 

tor cable

 

 

 

3.

Broken ignitor cable

3.

Replace ignitor cable

 

4.

Bad piezo ignitor

4.

Replace piezo ignitor

 

5.

Ignitor electrode broken

5.

Replace ignitor

 

6.

Ignitor electrode positioned wrong

6.

Replace 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.Depleted gas supply

6.ODS/pilot is clogged

7.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. Re- peat igniting operation until air is removed

5.Contact local propane/LP gas company

6.Clean ODS/pilot (see Cleaning and Maintenance, page 23) or replace ODS/ pilot assembly

7.Replace gas regulator

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.Safety interlock system has been triggered

4.Manual shutoff valve not fully open

5.Thermocouple connection loose at con- trol valve

6.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

7.Thermocouple damaged

8.Control valve damaged

1.Press in control knob fully

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

3.Wait one minute for safety interlock sys- tem to reset. Repeat ignition operation

4.Fully open manual shut-off valve

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

6.A) Contact local propane/LP gas company

B) Clean ODS/pilot (see Cleaning and Maintenance, page 23) or replace ODS/ pilot assembly

7.Replace thermocouple

8.Replace control valve

www.desatech.com

20

104059

Page 19 Page 21
Image 20
Page 19 Page 21
Contents VENT-FREE PROPANE/LP GAS What to do if YOU Smell GASSafety Information Compact Classic Hearth FireplaceProduct Features Product IdentificationLocal Codes UnpackingAssembly Installing LogAssembling Fireplace Assembling HoodAIR for Combustion and Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceAIR for Combustion Ventilation Determining FRESH-AIR Flow for Fireplace LocationVentilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Installation Installation ItemsCheck GAS Type Locating FireplaceBUILT-IN Fireplace Installation Rough Opening for Installing in WallOptional Mantel Installation Mantel Clearances for Built-In InstallationInstalling Blower Accessory GA3400T Removing Upper Louver AssemblyInstalling Blower Assembly Assembling Brass Trim Brass trim shipped with mantelInstall the switch plate on the valve For Built-In Installation Extension CordAttaching Wood Base to Solid Floor Connecting to GASSupply Connecting Fireplace to GAS Supply Installation Items NeededChecking GAS Connections Pressure Testing Fireplace GAS ConnectionsPressure Testing Gas Supply Piping System Lighting Instructions For Your Safety Read Before LightingOperating Fireplace To Turn OFF GAS to Appliance Manual Lighting Procedure Thermostat Control OperationOperating Blower Shutting Off FireplaceBurner Flame Pattern Inspecting BurnerPilot Flame Pattern Troubleshooting Observed Problem Possible Cause RemedyMaintenance, Gas leak. See Warning statement at Cleaning and Maintenance Cleaning Burner Injector Holder and Pilot AIR Inlet HoleCabinet Air PassagewaysIllustrated Parts Breakdown VMH26TPAParts List Description QTYSpecifications Replacement PartsService Hints Technical ServiceAccessories Warranty Information International

VMH26TPA specifications

The Vanguard Heating VMH26TPA is designed to provide efficient, reliable, and eco-friendly heating solutions for modern homes. This heating unit boasts a variety of advanced features and technologies that ensure optimal performance and comfort, making it a popular choice among homeowners.

One of the standout characteristics of the VMH26TPA is its high efficiency rating. With an impressive Annual Fuel Utilization Efficiency (AFUE) rating, this unit operates at a significantly lower cost compared to traditional heating systems. This means not only lower energy bills but also a reduced carbon footprint, making it a sustainable choice for environmentally-conscious consumers.

Moreover, the VMH26TPA employs innovative technologies that enhance user control and comfort. It comes equipped with a smart thermostat, allowing homeowners to adjust settings remotely using a smartphone or tablet. This feature enables precise temperature control, so users can ensure their home remains comfortable even when they are away.

The compact design of the VMH26TPA is another advantage. This unit is specially engineered to fit in smaller spaces without sacrificing performance. Its sleek and modern aesthetic also ensures that it can blend seamlessly with a variety of home decors, making it not just functional but visually appealing.

In terms of installation, the VMH26TPA features a streamlined process that is generally straightforward for professionals. This reduces the time and hassle typically associated with heating system installations. Additionally, the unit is built with durable materials that ensure longevity and reduce the likelihood of malfunction over time.

Noise levels during operation are minimal, thanks to Vanguard Heating's engineering innovations. This means homeowners can enjoy a quiet environment without interruptions from traditional heating noises.

Maintenance is made easy with the VMH26TPA, as it is designed to be user-friendly. Regular upkeep can be performed with basic tools, and Vanguard provides clear guidelines, ensuring that homeowners can keep the system in excellent working order without excessive effort or cost.

In summary, the Vanguard Heating VMH26TPA embodies efficiency, convenience, and durability. With its advanced technology, high efficiency rating, compact design, and user-friendly features, it provides an outstanding heating solution for homeowners looking to enhance their comfort while being mindful of their energy consumption. This makes it a strong contender in today's competitive heating market, appealing to a wide array of consumers.
Top Page Image Contents