20
TROUBLESHOOTING
TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
|
|
|
|
|
One or both burner does not light after | 1. | Inlet gas pressure is too low | 1. | Contact local natural or propane/LP gas |
ODS/pilot is lit |
|
|
| company |
| 2. | Burner orifice(s) clogged | 2. | Clean burner(s) (see Cleaning and |
|
|
|
| Maintenance, page 18) or replace burner |
|
|
|
| orifice(s) |
| 3. | Mislocated crossover tube | 3. | Contact qualified service person |
| 4. | Burner orifice(s) diameter is too small | 4. | Replace burner orifice(s) |
| 5. | Remote selector in OFF position (Re- | 5. | Put remote selector in ON position |
|
|
|
| |
| 6. | Wire disconnected from gas control | 6. | See Wiring Diagram, page 23 |
|
|
|
| |
|
|
|
|
|
Delayed ignition of burner | 1. | Manifold pressure is too low | 1. | Contact local natural or propane/LP gas |
|
|
|
| company |
| 2. | Burner orifice(s) clogged | 2. | Clean burner(s) (see Cleaning and |
|
|
|
| Maintenance, page 18) or replace burner |
|
|
|
| orifice(s) |
| 3. | Mislocated crossover tube | 3. | Contact qualified service person |
|
|
|
|
|
Burner backfiring during combustion | 1. | Burner orifice is clogged or damaged | 1. | Clean burner (see Cleaning and Main- |
|
|
|
| tenance, page 18) or replace burner |
|
|
|
| orifice |
| 2. | Damaged burner | 2. | Replace damaged burner |
| 3. | Gas regulator defective | 3. | Replace gas regulator |
|
|
|
|
|
Orange flame in burner during burner | 1. | Not enough air | 1. | Check burner(s) for dirt and debris. If |
combustion |
|
|
| found, clean burner(s) (see Cleaning and |
|
|
|
| Maintenance, page 18) |
| 2. | Gas regulator defective | 2. | Replace gas regulator |
|
|
|
|
|
Slight smoke or odor during initial op- | 1. | Residues from manufacturing processes | 1. | Problem will stop after a few hours of |
eration |
| and logs curing |
| operation |
|
|
|
|
|
| 1. | Turning control knob to HI position | 1. | Turn control knob to LO position and let |
Heater produces a whistling noise when |
| when burners are cold |
| warm up for a minute |
burners are lit | 2. | Air in gas line | 2. | Operate burners until air is removed |
|
|
|
| from line. Have gas line checked by lo- |
|
|
|
| cal natural or propane/LP gas company |
| 3. | Air passageways on heater blocked | 3. | Observe minimum installation clear- |
|
|
|
| ances (see pages 7 through 10) |
| 4. | Dirty or partially clogged burner | 4. | Clean burners (see Cleaning and Main- |
|
| orifice(s) |
| tenance, page 18) or replace burner |
|
|
|
| orifice(s) |
|
|
|
|
|
White powder residue forming within burner | 1. | When heated, vapors from furniture pol- | 1. | Turn heater off when using furniture |
box or on adjacent walls or furniture |
| ish, wax, carpet cleaners, etc. turn into |
| polish, wax, carpet cleaners, or similar |
|
| white powder residue |
| products |
|
|
|
|
|
Moisture/condensation noticed on win- | 1. | Not enough combustion/ventilation air | 1. | Refer to Air for Combustion and Venti- |
dows |
|
|
| lation requirements (page 4) |
For more information, visit www.desatech.com
