TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

Yellow flame during burner

1.

Not enough air

1.

Check burner for dirt and de-

combustion

 

 

 

bris. If found, clean burner (see

 

 

 

 

Cleaning and Maintenance,

 

2.

Inlet gas pressure is too low

 

page 15)

 

2.

Contact local natural or pro-

 

3.

Gas regulator defective

 

pane/LP gas company

 

3.

Replace gas regulator

 

 

 

 

 

Slight smoke or odor during

1.

Residues from manufacturing

1.

Problem will stop after a few

initial operation

 

processes

 

hours of operation

 

 

 

 

 

Heater produces a whistling

1.

Turning control knob to high-

1.

Turn control knob to lowest

noise when burner is lit

 

est position when burner is

 

position and let warm up for a

 

 

cold

 

minute

 

2.

Air in gas line

2.

Operate burner until air is

 

 

 

 

removed from line. Have gas

 

 

 

 

checked by local natural or

 

 

 

 

propane/LP gas company

 

3.

Air passageways on heater

3.

Observe minimum installation

 

 

blocked

 

clearances (see Figure 4, page 8)

 

4.

Dirty or partially clogged

4.

Clean burner (see Cleaning

 

 

burner orifice

 

and Maintenance, page 15) or

 

 

 

 

replace burner orifice

 

 

 

 

 

Heater produces a clicking/tick-

1.

Metal expanding while heating

1.

This is common with most heat-

ing noise just after burner is lit

 

or contracting while cooling

 

ers. If noise is excessive, contact

or shut off

 

 

 

qualified service person

 

 

 

 

 

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

 

cleaner, etc., may turn into

 

cleaners or similar products

 

 

white powder residue

 

 

18

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117001-01A

Page 18
Image 18
Desa GWP10 GWN10T installation manual Yellow flame during burner Not enough air

GWP10 GWN10T specifications

The Desa GWP10 and GWN10T are innovative heating solutions designed for both residential and commercial applications. These models stand out in the market due to their modern features, advanced technologies, and exceptional performance characteristics.

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