TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

Burner does not light after ODS/

1.

Inlet gas pressure is too low

1.

Contact local natural or pro-

pilot is lit

 

 

 

pane/LP gas company

 

2.

Burner orifice(s) clogged

2.

Clean burner(s) (see Cleaning

 

 

 

 

and Maintenance, page 21) or

 

 

 

 

replace burner orifice(s)

 

 

 

 

 

Delayed ignition of one or both

1.

Manifold pressure is too low

1.

Contact local natural or pro-

burners

 

 

 

pane/LP gas company

 

2.

Burner orifice(s) clogged

2.

Clean burner(s) (see Cleaning

 

 

 

 

and Maintenance, page 21) or

 

 

 

 

replace burner orifice(s)

 

 

 

 

 

Burner backfiring during

1.

Burner orifice is clogged or

1.

Clean burner (see Cleaning

combustion

 

damaged

 

and Maintenance, page 21)

 

 

 

 

or replace burner orifice

 

2.

Damaged burner

2.

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

 

Slight smoke or odor during initial

1.

Not enough air

1.

Check burner for dirt and

operation

 

 

 

debris. If found, clean burner

 

 

 

 

(see Cleaning and Mainte-

 

 

 

 

nance, page 21)

 

2.

Gas regulator defective

2.

Replace gas control

 

3.

Residues from manufacturing

3.

Problem will stop after a few

 

 

processes and logs curing

 

hours of operation

 

 

 

 

 

Heater produces a whistling noise

1.

Turning control knob to HI

1.

Turn control knob to LO

when burners are lit

 

position when burners are

 

position and let warm up for

 

 

cold

 

a minute

 

2.

Air in gas line

2.

Operate burners until air is

 

 

 

 

removed from line. Have gas

 

 

 

 

line checked by local natural

 

 

 

 

or propane/LP gas company

 

3.

Air passageways on heater

3.

Observe minimum installation

 

 

blocked

 

clearances (see page 9)

 

4.

Dirty or partially clogged

4.

Clean burners (see Cleaning

 

 

burner orifice(s)

 

and Maintenance, page 21)

 

 

 

 

or replace burner orifice

 

 

 

 

 

White powder residue forming

1.

When heated, vapors from

1.

Turn heater off when using

within burner box or on adjacent

 

furniture polish, wax, carpet

 

furniture polish, wax, carpet

walls or furniture

 

cleaners, etc. may turn into

 

cleaners or similar products

 

 

white powder residue

 

 

 

 

 

 

 

Moisture/condensation noticed

1.

Not enough combustion/ven-

1.

Refer to Air for Combustion

on windows

 

tilation air

 

and Ventilation requirements

 

 

 

 

(page 5)

 

 

 

 

 

Dark residue on logs inside of

1.

Improper log placement

1.

Properly locate logs (see In-

their fireplace Note:After remov-

 

 

 

stalling Logs, page 15)

ing all causes of residue deposits,

2.

Drafts or other air currents

2.

Eliminate source of drafts

completely clean fireplace and

 

affecting flame pattern

 

around heater

appliance off residue before reus-

3.

Air holes at burner inlet

3.

Clean out air holes at burner

ing appliance

 

blocked

 

inlet. Periodically repeat as

 

 

 

 

needed

 

4.

Burner flame holes blocked

4.

Remove blockage

111347-01E

www.desatech.com

23

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Image 23
Desa LSL3124P, CDL3924NT Inlet gas pressure is too low, Pilot is lit Pane/LP gas company Burner orifices clogged, Nance
Page 22 Page 24

LSL3124P, CDL3924PT, CDL3924NT specifications

Desa CDL3924NT, LSL3124P, and CDL3924PT are notable choices in the realm of heating appliances, demonstrating advanced engineering and an array of user-friendly features. Each model has unique characteristics, making them suitable for diverse heating needs.

The Desa CDL3924NT is particularly distinguished by its dual-fuel capability, allowing users to switch between natural gas and propane. This flexibility ensures that homeowners can choose the energy source that best suits their preferences and availability. Moreover, the model boasts a heating capacity of up to 39,000 BTUs, providing substantial warmth for large spaces. Its compact design makes it ideal for installations in rooms with limited space, while an aesthetically pleasing finish ensures that it blends seamlessly with various home decors.

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The CDL3924PT, on the other hand, emphasizes versatility and efficiency. Equipped with a programmable timer, this appliance allows users to pre-set heating schedules according to their daily routines, ultimately conserving energy and reducing utility costs. With a maximum output of 39,000 BTUs, the CDL3924PT is capable of heating larger areas effectively. The unit boasts a built-in safety shut-off feature, ensuring peace of mind in household environments. Its stylish design complements modern interiors, and its easy installation process caters to both new and seasoned homeowners.

In summary, the Desa CDL3924NT, LSL3124P, and CDL3924PT models stand out for their innovative technologies and feature sets. Each unit addresses unique heating needs with efficiency and style, making them valuable additions to any home. Whether you prioritize flexibility in fuel options, quiet operation, or programmable settings, Desa's offerings cater to various lifestyles and heating requirements. Their robust heating capabilities, coupled with user-friendly designs, ensure that every homeowner can find a suitable option for comfort during colder months.
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