GAS RESIDENTIAL HEATERS
TROUBLESHOOTING
Continued
WARNING: If you smell gas
•Shut off gas supply.
•Do not try to light any appliance.
•Do not touch any electrical switch; do not use any phone in your building.
•Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
•If you cannot reach your gas supplier, call the fire department.
IMPORTANT: Operating heater where im- purities in air exist may create odors. Clean- ing supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors.
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
Heater produces unwanted odors | 1. | Heater burning vapors from paint, hair | 1. | Ventilate room. Stop using |
|
| spray, glues, etc., (see IMPORTANT |
| products while heater is running |
|
| statement above). | 2. | Locate and correct all leaks (see |
| 2. | Gas leak. See Warning statement at top |
| Checking Gas Connections, page 9) |
|
| of page. |
|
|
|
|
|
|
|
Heater shuts off in use (ODS operates) | 1. | Not enough fresh air is available | 1. | Refer to Air for Combustion and |
| 2. | Low line pressure |
| Ventilation requirements (page 3) |
| 2. | Contact local natural gas company | ||
| 3. | ODS/pilot is partially clogged | 3. | Clean ODS/pilot (see Cleaning and |
|
|
|
| Maintenance, page 15) |
|
|
|
|
|
Gas odor even when control knob is in OFF | 1. | Gas leak. See Warning statement at top | 1. | Locate and correct all leaks (see |
position |
| of page. |
| Checking Gas Connections, page 9) |
| 2. | Control valve defective | 2. | Replace control valve |
|
|
|
|
|
Gas odor during combustion | 1. | Foreign matter between control valve | 1. | Take apart gas tubing and remove |
|
| and burner |
| foreign matter |
| 2. | Gas leak. See Warning statement at top | 2. | Locate and correct all leaks (see |
|
| of page. |
| Checking Gas Connections, page 9) |
|
|
|
|
|
Moisture/condensation noticed on windows | 1. | Not enough combustion/ventilation air. | 1. | Refer to Air for Combustion and Venti- |
|
|
|
| lation requirements (page 3) |
TECHNICAL
SERVICE
You may have further questions about in- stallation, operation, or Trouble Shooting. If so, contact DESA International’s Techni- cal Service Department at
SERVICE HINTS
When gas pressure is too low | When gas quality is bad |
• pilot will not stay lit | • pilot will not stay lit |
• burner(s) will have delayed ignition | • burner(s) will produce flames and soot |
• heater will not produce specified heat | • heater will backfire when lit |
| You may feel your gas pressure is too low or |
| gas quality is bad. If so, contact your local |
| natural gas supplier. |
14 | 103549 |
