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TROUBLESHOOTING
TROUBLESHOOTING
WARNING: Turn off log set and let cool before
servicing. Only a qualifi ed 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 unavoidable for
vented gas log sets to produce moderate
levels of carbon (soot) where fl ames
contact the logs.
Burner is excessively noisy
(Note: The movement and combustion of
gas will create low, unavoidable levels of
noise.)
Burner fl ame is too low or too high
When ignitor button is pressed, there is no
spark at pilot (GA9050A Only)
115043-01
POSSIBLE CAUSE
1. Poor fuel quality
2. Fireplace venting system not drafting
properly
3. Excessive flame impingement or
blockage
4. Improper fuel/air mixture
5. Excessive gas supply/pressure
1. Passage of air/gas across irregular sur-
faces
1. Incorrect gas supply or pressure
2. Blocked burner orifi ce or burner mani-
fold ports
3. Improper burner orifi ce size
1. Ignitor electrode not connected to ignitor
cable
2. Ignitor cable pinched or wet
3. Bad ground on piezo ignitor
4. Broken ignitor cable
5. Bad piezo ignitor
6. Ignitor electrode broken
7. Ignitor electrode positioned wrong
For more information, visit www.desatech.com
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 fl ame
passage
4. Remove any foreign items from the
fl ame pattern and/or check for proper
orifi ce sizing
5. Preheat fl ue 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 orifi ce and manifold ports
of any burrs, paint, or other blockage
3. Verify proper burner orifi ce sizing (see
Figure 2, page 4)
1. Reconnect ignitor cable
2. Free ignitor cable if pinched by any
metal or tubing. Keep ignitor cable dry
3. Scrape away paint on bracket for better
contact with ground on piezo ignitor
4. Replace ignitor cable
5. Replace piezo ignitor
6. Replace electrode
7. Reposition electrode
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