Desa VTD-18P-BTB, VTD-24P-PDG, VTD-24P-BTB Troubleshooting, Observed Problem Possible Cause Remedy

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TROUBLESHOOTING

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 appliance 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

1.

Ignitor electrode not connected to ignitor

1.

Reconnect ignitor cable

spark at ODS/pilot

 

cable

 

 

 

 

2.

Ignitor cable pinched or wet

2.

Free ignitor cable if pinched by any

 

 

 

 

metal or tubing. Keep ignitor cable dry

 

3.

Piezo ignitor nut is loose

3.

Tighten nut holding piezo ignitor to base

 

 

 

 

panel of log set. Nut is located behind

 

 

 

 

base panel.

 

4.

Broken ignitor cable

4.

Replace ignitor cable

 

5.

Bad piezo ignitor

5.

Replace piezo ignitor

 

6.

Ignitor electrode positioned wrong or

6.

Replace pilot assembly for remote-ready

 

 

broken

 

units; Replace ignitor electrode for vari-

 

 

 

 

able manually controlled units

 

 

 

 

 

 

When ignitor button is pressed, there is spark

1.

Gas supply turned off or equipment

1.

Turn on gas supply or open equipment

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

5.

Contact local propane/LP gas company

 

 

only)

6.

Clean ODS/pilot (see Cleaning and

 

6.

ODS/pilot is clogged

 

Maintenance, page 13) or replace

 

 

 

 

ODS/pilot assembly

 

7.

Gas regulator setting is not correct

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.Equipment shutoff valve not fully open

5.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

6.Thermocouple connection loose at con- trol valve

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 equipment shutoff valve

5.A) Contact local natural or propane/LP gas company

B) Clean ODS/pilot (see Cleaning and Maintenance, page 13) or replace ODS/ pilot assembly

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

7.Replace pilot assembly

8.Replace control valve

For more information, visit www.desatech.com

111826-02F

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Contents What to do if YOU Smell GAS Ansi Z21.60-2003 CSATable of Contents Safety InformationLocal Codes Product IdentificationUnpacking Optional Remote Control AccessoriesProduct Features AIR for Combustion and VentilationDetermining FRESH-AIR Flow for Appliance Location Ventilation AIRVentilation Air from Outdoors Installation Installation Items Needed Installing Appliance AssemblyConnecting to GAS Supply Pressure Testing gas Supply Piping system Checking GAS ConnectionsPressure Testing Appliance Gas Connections ValveLighting Instructions For Your Safety Read Before LightingOperating Appliance To Turn OFF GAS to Appliance Manual Lighting ProcedureRemote Control Operation Pilot Flame Pattern Cleaning and MaintenanceOperating Appliance Inspecting Burner Burner Flame PatternTroubleshooting Observed Problem Possible Cause RemedyRefer to Air for Combustion and Venti Observed Problem Possible Cause Specifications VTD-18N-PDG/VTD-18N-BTBService Hints Wiring DiagramReplacement Parts Technical ServiceThis page Intentionally Left Blank Illustrated Parts Breakdown Illustrated Parts BreakdownParts List Accessories Owners Registration Form Postage Required 111826-02F Warranty Information

VTD-24P-BTB, VTD-18P-BTB, VTD-24P-PDG, VTD-18N-BTB, VTD-18N-PDG specifications

Desa VTD-18N-BTB, VTD-18P-BTB, VTD-24P-PDG, VTD-24P-BTB, and VTD-18N-PDG are notable offerings in the realm of heaters, designed to provide efficient and effective heating solutions for various environments. Each model boasts a range of features and technologies that cater to different needs and preferences, promoting comfort and convenience.

Starting with the VTD-18N-BTB and VTD-18P-BTB, these models are engineered with a focus on reliability and performance. They come equipped with advanced heating technology that ensures rapid warmth distribution in residential or commercial spaces. Featuring adjustable heat settings, users can customize the temperature according to their comfort levels. The BTB designation indicates that these models possess a robust build quality, designed to withstand heavy use, while maintaining aesthetic appeal.

The VTD-24P-PDG and VTD-24P-BTB are designed for larger areas, delivering an increased heat output to accommodate more substantial spaces. These models incorporate energy-efficient technology, which aids in reducing overall energy consumption while providing consistent heat. Moreover, the programmable thermostat feature available in these units allows users to set specific heating schedules, significantly enhancing energy efficiency and convenience.

The VTD-18N-PDG stands out with its unique design and advanced features. This model combines a sleek and modern aesthetic with high functionality, making it suitable for contemporary interiors. It utilizes a dual-fuel technology option, providing the flexibility to operate on either gas or electric power, thus enhancing versatility in use. This feature is particularly beneficial for areas with fluctuating energy availability.

In terms of safety, all models incorporate essential safety mechanisms, including overheating protection and tip-over switches, ensuring peace of mind for users. The combination of portability and performance allows for seamless placement in various settings, from home living rooms to workshops and garages.

Overall, Desa's VTD series reflects a commitment to quality and innovation, promoting efficient heating solutions that cater to varying space and user requirements. These models are ideal for users seeking dependable heating options without compromising on style, functionality, or safety.
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