Desa VTD-24N-JHB Electric Heater User Manual


 
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114370-01D 11
TROUBLESHOOTING
WARNING: Turn off log set and let cool before servicing. Only a
qualied service person should service and repair log set.
Note: All troubleshooting items are listed in order of operation.
POSSIBLE CAUSE REMEDY
OBSERVED PROBLEM
1. Poor fuel quality
2. Fireplace venting system not
drafting properly
3. Improper fuel/air mix
4. Excessive gas supply or pres-
sure
1. Passage of air or gas across
irregular surfaces
1. Incorrect gas supply or pres-
sure
2. Blocked burner orifice or
burner manifold
3. Improper burner orice size
Log set is smoking/sooting ex-
cessively (Note: It is natural and
unavoidable for vented gas log
sets to produce moderate levels
of carbon (soot) where ames
contact logs.
Burner is excessively noisy
(Note: The movement and com-
bustion of gas will create low,
unavoidable levels of noise.)
Burner ame is too low or too
high
1. Contact local gas supplier
2. Adjust damper wide open and/
or have replace and venting
professionally cleaned and
checked
3. Remove any foreign items from
ame pattern and/or check for
proper orice sizing
4. Preheat flue in very cold
weather.
1. Relieve any tight bends or
kinks in gas supply line
1. Check for proper gas supply
pressure
2. Free burner orice and mani-
fold ports of any burrs, paint
or other blockage
3. Verify proper burner orice
sizing (see Figure 2, page 6)