Desa VMH3000TPA installation manual Troubleshooting, Observed Problem Possible Cause Remedy

Page 17

TROUBLESHOOTING

17

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 heater and let cool before servicing. Only a qualified ser- vice 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 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.

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.

Ignitor electrode broken

5.

Replace ignitor

 

 

6.

Bad piezo ignitor

6.

Replace piezo ignitor

 

 

7.

Ignitor electrode positioned wrong

7.

Replace ignitor

 

 

 

 

 

 

 

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 re-

 

 

 

 

 

moved

 

 

5.

ODS/pilot is clogged

5.

Clean ODS/pilot (see Cleaning and

 

 

 

 

 

Maintenance, page 16) or replace ODS/

 

 

 

 

 

pilot assembly

 

 

6.

Gas regulator setting is not correct

6.

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.

Thermocouple connection loose at con-

5.

Hand tighten until snug, then tighten

 

 

 

trol valve

 

1/4 turn more

 

 

6.

Pilot flame not touching thermocouple,

6.

A) Contact local natural gas company

 

 

 

which allows thermocouple to cool,

 

 

 

 

 

causing pilot flame to go out. This prob-

 

B) Clean ODS/pilot (see Cleaning and

 

 

 

lem could be caused by one or both of

 

Maintenance, page 16) or replace ODS/

 

 

 

the following:

 

pilot assembly

 

 

 

A) Low gas pressure

 

 

 

 

 

B) Dirty or partially clogged ODS/pilot

 

 

 

 

7.

Thermocouple damaged

7.

Replace thermocouple

 

 

8.

Control valve damaged

8.

Replace control valve

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Contents 15,000 to 30,000 Btu/Hr With Thermostat What to do if YOU Smell GASSafety Information Table of ContentsUnpacking Local CodesProduct Identification Assembling Heater Product FeaturesAIR for Combustion and Ventilation AssemblyAttaching Brass Front Trim to Front Panel Assembling and Attaching Brass TrimDetermining FRESH-AIR Flow for Heater Location Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceVentilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Installation Items InstallationCheck GAS Type Locating HeaterMounting Heater to Wall Installation OptionsThermostat Sensing Bulb Placing Heater On Mounting Bracket Installing Bottom Mounting ScrewsMounting Heater on Optional Hearth Base See Instructions Included With Mantel Kit Assembling Mantel Securing Hearth Base to FloorMounting Heater to Optional Hearth Base Internally-tinned copper tubing may be used in cer Connecting to GAS SupplyChecking GAS Connections Pressure Testing Gas Supply Piping SystemPressure Testing Heater Gas Connections Lighting Instructions For Your Safety Read Before LightingOperating Heater Inspecting Burner Cleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning MaintenanceCabinet Air PassagewaysObserved Problem Possible Cause Remedy TroubleshootingMaintenance, Observed Problem Possible Cause Replacement Parts SpecificationsService Hints Technical ServiceAccessories RFN30TA RFP30TA VMH3000TNA VMH3000TPA Illustrated Parts BreakdownNJF-8C Parts ListFBD Parts CentralsOwners Registration Form Postage Required 109889 Not a UPC

VMH3000TPA specifications

The Desa VMH3000TPA is a state-of-the-art heating appliance designed to deliver efficient warmth while ensuring user comfort and convenience. This model is widely recognized for its innovative technologies, smart design, and eco-friendly features, making it an ideal choice for residential spaces.

One of the standout features of the VMH3000TPA is its powerful heating capacity. With a robust output of 30,000 BTUs, it is engineered to heat large areas effectively, making it perfect for living rooms, open-plan spaces, or even workshops. Users can expect a consistent and reliable warmth throughout the chilly seasons, enhancing home comfort while reducing reliance on traditional heating systems.

The VMH3000TPA incorporates advanced heating technology, including a variable speed blower that allows for more efficient heat distribution. This feature ensures that warm air circulates evenly throughout the room, eliminating cold spots and creating a cozy atmosphere. Additionally, the unit has a programmable thermostat, allowing users to set and maintain their desired temperature easily.

For safety, the VMH3000TPA is equipped with multiple safety features, including an automatic shut-off function that activates if the unit overheats or tips over. This ensures peace of mind, especially in households with children or pets. Its durable construction includes a fireproof casing and a heat-resistant glass front, designed to withstand high temperatures while maintaining an attractive appearance.

The Desa VMH3000TPA is also designed with energy efficiency in mind. It operates on propane or natural gas, providing a cleaner-burning alternative to traditional heating methods. This model complies with environmental regulations, helping to reduce carbon emissions while lowering energy costs.

Another remarkable aspect is its user-friendly interface, which includes remote control functionality. Users can conveniently adjust settings from a distance, enhancing usability and comfort. This modern appliance is not just a heating solution; it is a blend of technology and design, ensuring that it complements any home décor while providing effective heating solutions.

In summary, the Desa VMH3000TPA stands out in the heating appliance market for its powerful performance, intelligent features, energy efficiency, and safety standards, making it a worthy investment for modern households seeking comfort and reliability during the colder months.
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