www.desatech.com
115425-01E
11
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
Log set is smoking/sooting
excessively
(Note: It is natural and unavoid-
able for vented gas log sets to
produce moderate levels of
carbon (soot) where flames
contact the logs. This is es-
pecially true with propane/LP
gas.)
Burner.is.excessively.noisy
(Note: The movement and
combustion of gas will cre
-
ate low, unavoidable levels
of noise.)
Burner flame is too low or
too.high
POSSIBLE CAUSE
1..Poor.fuel.quality
2..Fireplace. venting. system.
not.drafting.properly
3. Excessive flame impinge
-
ment.or.blockage
4. Improper fuel/air mixture
5. Excessive gas supply/
pressure
1. Passage of air/gas across
irregular.surfaces
1..Incorrect. gas. supply. or.
pressure
2. Blocked burner orifice or
burner.manifold.ports
3..Improper. burner. orifice.
size
REMEDY
1..Contact. local. natural. or.
propane/LP gas company
2. Adjust damper wide open
and/or have fireplace and
venting. professionally.
cleaned.and.checked
3. Separate the logs to allow
more flame passage
4..Remove. any. foreign. items.
from the flame pattern and/
or check for proper orifice
sizing
5..Preheat. flue. in. very. cold.
weather
1..Relieve.any.tight.bends.or.
kinks.in.gas.supply.line.
1..Check.for.proper.gas.sup-
ply.pressure
2..Free. burner. orifice. and.
manifold ports of any burrs,
paint, or other blockage
3..Verify. proper. burner. ori-
fice sizing (see Figure 2,
page.6)
