OWNER’S MANUAL
TROUBLESHOOTING
Continued
| OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
| Burner does not light after ODS/pilot is lit | 1. | Burner orifice is clogged | 1. | Clean burner (see Cleaning and Mainte- |
|
|
|
|
| nance, page 19) or replace burner orifice |
|
| 2. | Burner orifice diameter is too small | 2. | Replace burner orifice |
|
| 3. | Inlet gas pressure is too low | 3. | Contact local natural gas company |
|
|
|
|
|
|
| Delayed ignition of burner | 1. | Manifold pressure is too low | 1. | Contact local natural gas company |
|
| 2. | Burner orifice is clogged | 2. | Clean burner (see Cleaning and Mainte- |
|
|
|
|
| nance, page 19) or replace burner orifice |
|
|
|
|
|
|
| Burner backfiring during combustion | 1. | Burner orifice is clogged or damaged | 1. | Clean burner (see Cleaning and Mainte- |
|
|
|
|
| nance, page 19) or replace burner orifice |
|
| 2. | Burner damaged | 2. | Replace burner |
|
| 3. | Gas regulator defective | 3. | Replace gas regulator |
|
|
|
|
|
|
| Yellow flame during burner combustion | 1. | Not enough air | 1. | Check burner for dirt and debris. If |
|
|
|
|
| found, clean burner (see Cleaning and |
|
|
|
|
| Maintenance, page 19) |
|
| 2. | Gas regulator defective | 2. | Replace gas regulator |
|
|
|
|
|
|
| Slight smoke or odor during initial operation | 1. | Residues from manufacturing processes | 1. | Problem will stop after a few hours of |
|
|
|
|
| operation |
|
|
|
|
|
|
| Heater produces a whistling noise when | 1. | Turning control knob to HI position | 1. | Turn control knob to LO position and |
| burner is lit |
| when burner is cold |
| let warm up for a minute |
|
| 2. | Air in gas line | 2. | Operate burner until air is removed from |
|
|
|
|
| line. Have gas line checked by local |
|
|
|
|
| natural gas company |
|
| 3. | Air passageways on heater blocked | 3. | Observe minimum installation clear- |
|
|
|
|
| ances (see Figure 10, page 8) |
|
| 4. | Dirty or partially clogged burner orifice | 4. | Clean burner (see Cleaning and Mainte- |
|
|
|
|
| nance, page 19) or replace burner orifice |
|
|
|
|
|
|
White powder residue forming within burner box or on adjacent walls or furniture
1.When heated, vapors from furniture pol- ish, wax, carpet cleaners, etc. turn into white powder residue
1.Turn heater off when using furniture polish, wax, carpet cleaners, or similar products
www.desatech.com | Continued |
|
|
104431 | 17 |
