PROPANE/LP GAS HEATER

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

Burner(s) does not light after ODS/pilot is lit

1.

Burner orifice(s) is clogged

1.

Clean burner orifice(s) (see Cleaning

 

 

 

 

and Maintenance, page 12) or replace

 

 

 

 

burner orifice(s)

 

2.

Burner orifice(s) diameter is too small

2.

Replace burner orifice(s)

 

3.

Inlet gas pressure is too low

3.

Contact local propane/LP gas company

 

 

 

 

 

 

Delayed ignition of burner(s)

1.

Manifold pressure is too low

1.

Contact local propane/LP gas company

 

2.

Burner orifice(s) is clogged

2.

Clean burner orifice(s) (see Cleaning

 

 

 

 

and Maintenance, page 12) or replace

 

 

 

 

burner orifice(s)

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice(s) is clogged or damaged

1.

Clean burner orifice(s) (see Cleaning

 

 

 

 

and Maintenance, page 12) or replace

 

 

 

 

burner orifice(s)

 

2.

Burner damaged

2.

Replace burner

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

 

Burner plaque(s) does not glow

1.

Plaque damaged

1.

Replace burner

 

2.

Inlet gas pressure is too low

2.

Contact local propane/LP gas company

 

3.

Control knob set between locked

3.

Turn control knob until it locks at desired

 

 

positions

 

setting

 

 

 

 

 

Slight smoke or odor during initial operation

1.

Residues from manufacturing processes

1.

Problem will stop after a few hours of

 

 

 

 

operation

 

 

 

 

 

 

Heater produces a clicking/ticking noise just after burner is lit or shut off

1.Metal expanding while heating or contracting while cooling

1.This is common with most heaters. If noise is excessive, contact qualified service person

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

1.When heated, vapors from furniture polish, wax, carpet cleaners, etc. turn into white powder residue

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

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Desa FB-2B installation manual Turn control knob until it locks at desired

FB-2B specifications

The Desa FB-2B is an innovative and versatile piece of technology designed to cater to a wide range of applications, particularly in industries where performance, reliability, and efficiency are paramount. This ground-breaking product incorporates cutting-edge features and technologies that set it apart from its competitors.

One of the standout features of the Desa FB-2B is its robust construction, which ensures durability and longevity, even in demanding environments. This unit is built to withstand harsh conditions, making it an ideal choice for heavy-duty applications. The materials used in its manufacturing process have been carefully selected to guarantee resistance to wear and tear, as well as potential chemical exposure.

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In summary, the Desa FB-2B is a remarkable piece of equipment that combines durability, advanced technology, energy efficiency, and user-friendly design. Its features make it an exceptional choice for industries that demand high-performance solutions, ensuring that users can rely on it for their operational needs. With its focus on safety and automation, the Desa FB-2B is truly a leader in its field.