DIRECT-VENT FIREPLACE
TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | |||
Delayed ignition burner | 1. | Manifold pressure is too low | 1. | Contact local natural gas company | |
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| 2. | Burner porting or orifice clogged | 2. | Clean burner (see Cleaning and Main- |
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| tenance, page 26) or replace burner orifice |
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Burner backfiring during combustion | 1. | Burner orifice is clogged or damaged | 1. | Clean burner (see Cleaning and | |
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| Maintenance, page 26) or replace burner |
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| orifice |
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| 2. | Damaged burner | 2. | Replace damaged burner |
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| 3. | Gas regulator defective | 3. | Replace gas control |
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Slight smoke or odor during initial operation 1. Residues from manufacturing processes and logs curing
1.Problem will stop after a few hours of operation
Heater produces a whistling noise when | 1. | Air in gas line | 1. | Operate burner until air is removed from |
burner is lit |
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| line. Have gas line checked by local |
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| natural gas company |
| 2. | Dirty or partially clogged burner orifice | 2. | Clean burner (see Cleaning and |
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| Maintenance, page 26) or replace burner |
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| orifice |
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Glass soots | 1. | Flame impingement on logs | 1. | Adjust the log set so that the flame does |
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| not excessively impinge on it |
| 2. | Debris around burner air mixer | 2. | Inspect the opening at the base of the |
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| burner to see that it is NOT packed with |
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| any type of material |
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Fireplace produces a clicking/ticking noise just after burners are lit or shut off
1.Metal expanding while heating or con- tracting while cooling
1.This is common. If noise is excessive, contact qualified service person
www.desatech.com
For more information, visit www.desatech.com | 28 | 107205 |