®
VENTED NATURAL GAS LOGS
TROUBLESHOOTING
Note: For additional help, visit DESA International’s technical service web site at www.desatech.com.
Note: All troubleshooting items are listed in order of operation.
WARNING: Turn off log set and let cool before servicing. Only a qualified service person should service and repair log set.
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
Log set is smoking/sooting excessively | 1. | Poor fuel quality | 1. | Contact local natural or propane/LP gas |
(Note: It is natural and unavoidable for |
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| company |
vented gas log sets to produce moderate | 2. | Fireplace venting system not drafting | 2. | Adjust damper wide open and/or have |
levels of carbon (soot) where flames |
| properly |
| fireplace and venting professionally |
contact the logs. This is especially true |
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| cleaned and checked |
with propane/LP gas.) | 3. | Excessive flame impingement or | 3. | Separate the logs to allow more flame |
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| blockage |
| passage |
| 4. | Improper fuel/air mixture | 4. | Remove any foreign items from the |
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| flame pattern and/or check for proper |
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| orifice sizing |
| 5. | Excessive gas supply/pressure | 5. | Preheat flue in very cold weather |
Burner is excessively noisy
(Note: The movement and combustion of gas will create low, unavoidable levels of noise.)
1.Passage of air/gas across irregular sur- faces
1.Relieve any tight bends or kinks in gas supply line
Burner flame is too low or too high | 1. | Incorrect gas supply or pressure | 1. | Check for proper gas supply pressure |
| 2. | Blocked burner orifice or burner mani- | 2. | Free burner orifice and manifold ports |
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| fold ports |
| of any burrs, paint, or other blockage |
| 3. | Improper burner orifice size | 3. | Verify proper burner orifice sizing (see |
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| Figure 4, page 7) |
www.desatech.com
14 | 901847 |
