TROUBLESHOOTING

31

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Burner does not light after ODS/pilot is lit

1.

Inlet gas pressure is too low

 

2.

Burner orifice is clogged

 

3.

Thermopile leads disconnected or im-

 

 

properly connected (Remote-Ready

 

 

Models Only)

 

4.

Burners will not come on in remote po-

 

 

sition (Remote-Ready Models Only)

1.Contact local natural or propane/LP gas company

2.Clean burner (see Cleaning and Mainte- nance, page 29) or replace burner orifice

3.Reconnect leads (see Wiring Diagram, page 29)

4.Replace battery in hand-held remote and receiver

 

Delayed ignition of burner

1.

Manifold pressure is too low

1.

Contact local natural or propane/LP gas

 

 

 

 

 

company

 

 

2.

Burner orifice is clogged

2.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

nance, page 29) or replace burner orifice

 

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Main-

 

 

 

 

 

tenance, page 29) or replace burner

 

 

 

 

 

orifice

 

 

2.

Damaged burner

2.

Replace damaged burner

 

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

4.

Inlet gas pressure is too low

4.

Contact local natural or propane/LP gas

 

 

 

 

 

company

 

 

 

 

 

 

 

Slight smoke or odor during initial operation

1.

Residues from manufacturing processes

1.

Problem will stop after a few hours of

 

 

 

and log curing

 

operation

 

 

2.

Not enough air

2.

Check burner for dirt and debris. If

 

 

 

 

 

found, clean burner (see Cleaning and

 

 

 

 

 

Maintenance, page 29)

 

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

 

 

 

Fireplace produces a whistling noise when

1.

Turning control knob to HI position

1.

Turn control knob to LO position and

 

burner is lit

 

when burner is cold

 

let warm up for a minute

 

 

2.

Air in gas line

2.

Operate burner until air is removed from

 

 

 

 

 

line. Have gas line checked by local

 

 

 

 

 

natural gas company

 

 

3.

Air passageways on fireplace blocked

3.

Observe minimum installation clear-

 

 

 

 

 

ances (see pages 9 through 11)

 

 

4.

Dirty or partially clogged burner orifice

4.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

nance, page 29) or replace burner orifice

White powder residue forming within burner box or on adjacent walls or furniture

1.When heated, vapors from furniture pol- ish, wax, carpet cleaners, etc. may turn into white powder residue

1.Turn fireplace off when using furniture polish, wax, carpet cleaners, or similar products

Moisture/condensation noticed on windows 1. Not enough combustion/ventilation air

1. Refer to Air for Combustion and Venti-

 

lation requirements (page 6)

For morevisit www..com

107032-01H

Page 30 Page 32
Page 31
Image 31
Desa EFS10TP, EFS10TN, and EFS26NR installation manual Refer to Air for Combustion and Venti
Page 30 Page 32

EFS10TP, EFS10TN, and EFS26NR specifications

Desa is a recognized leader in the innovation and manufacture of advanced heating solutions designed to deliver optimal performance and efficiency. Among their most notable offerings are the EFS26NR, EFS10TP, and EFS10TN models, each engineered with unique features and technologies to meet diverse heating needs.

The EFS26NR is a notable model known for its large heating capacity and effectiveness in maintaining consistent warmth in larger spaces. With a robust output, this unit can efficiently heat areas up to 1,800 square feet, making it suitable for homes or commercial settings. One of the primary characteristics of the EFS26NR is its advanced heating technology, which includes a high-efficiency burner that maximizes fuel usage, reducing operational costs. Additionally, it features a built-in thermostat, providing automated temperature adjustments for enhanced comfort.

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Similar in size, the EFS10TN focuses on energy efficiency as its main selling point. This model uses a unique infrared heating technology that allows for more direct heating of objects and people rather than warming the air, resulting in lower energy consumption. The EFS10TN is perfect for those looking to reduce their carbon footprint while still achieving a warm, inviting environment. Enhanced safety features such as tip-over protection and overheat shut-off further ensure its suitability for use in homes with children or pets.

Overall, the Desa heating solutions—EFS26NR, EFS10TP, and EFS10TN—each provide distinct advantages tailored to specific heating requirements. With a commitment to innovation, safety, and efficiency, these models are exemplary choices for those seeking dependable and effective heating options. Whether for large areas or cozy spaces, Desa ensures that there is a suitable solution for every heating need.
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