Troubleshooting

WARNING: Turn off log set and let cool before servicing. Only a qualified service person should service and repair log set.

Note: All troubleshooting items are listed in order of operation.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

Log set is smoking/sooting ex-

1.

Poor fuel quality

1.

Contact local gas supplier

cessively (Note: It is natural and

2.

Fireplace venting system not

2.

Adjust damper wide open and/

unavoidable for vented gas log

 

drafting properly

 

or have fireplace and venting

sets to produce moderate levels

 

 

 

professionally cleaned and

of carbon (soot) where flames

3.

Improper fuel/air mix

3.

checked

contact logs.

Remove any foreign items from

 

 

 

 

flame pattern and/or check for

 

4.

Excessive gas supply or pres-

4.

proper orifice sizing

 

Preheat flue in very cold

 

 

sure

 

weather.

Burner is excessively noisy

1.

Passage of air or gas across

1.

Relieve any tight bends or

(Note: The movement and com-

 

irregular surfaces

 

kinks in gas supply line

bustion of gas will create low,

 

 

 

 

unavoidable levels of noise.)

 

 

 

 

Burner flame is too low or too

1.

Incorrect gas supply or pres-

1.

Check for proper gas supply

high

2.

sure

2.

pressure

 

Blocked burner orifice or

Free burner orifice and mani-

 

 

burner manifold

 

fold ports of any burrs, paint

 

3.

Improper burner orifice size

3.

or other blockage

 

Verify proper burner orifice

 

 

 

 

sizing (see Figure 2, page 6)

114370-01D

www.desatech.com

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Desa VTD-24N-JHB, VTD-18N-JHB, VTD-30N-JHB installation manual Troubleshooting, Observed Problem Possible Cause Remedy

VTD-18N-JHB, VTD-30N-JHB, VTD-24N-JHB specifications

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