TROUBLE- SHOOTING
OBSERVED | POSSIBLE | REMEDY |
PROBLEM | CAUSE |
|
|
|
|
Continued
Burner backfiring | 1. Burner orifice is | |
during combustion. |
| clogged or damaged. |
| 2. | Burner damaged. |
| 3. | Gas regulator defective. |
| 4. | Delayed ignition. |
1.Clean burner (see Clean- ing and Maintenance, page 25) or replace burner orifice.
2.Replace burner.
3.Replace control valve.
4.See above.
Yellow flame during | 1. | Not enough air. | 1. | Check burner for dirt and |
burner combustion. |
|
|
| debris. If found, clean |
|
|
|
| burner (see Cleaning and |
|
|
|
| Maintenance, page 25). |
| 2. | Gas regulator defective. | 2. | Replace control valve. |
|
|
|
|
|
Slight smoke or odor | 1. | Residues from manu- | 1. | Problem will stop after a |
during initial operation. |
| facturing processes. |
| few hours of operation. |
|
|
|
|
|
Burner fails to re- | 1. | Pilot flame not lit. |
spond to thermostat. |
|
|
| 2. | Pilot flame not properly |
|
| heating end of thermo- |
|
| couple. |
| 3. | Pilot burner orifice |
|
| clogged or damaged. |
| 4. | Control valve defec- |
|
| tive. |
| 5. | Temperature at thermo- |
|
| stat bulb satisfied. |
1.Light pilot burner (see Lighting Instructions, page 20).
2.Pilot flame needs adjust- ing. Contact a qualified service person.
3.Clean pilot burner (Cleaning and Mainte- nance, page 25).
4.Replace control valve.
28
Heater produces a | 1. Air in gas line. | |
whistling noise when |
|
|
burner is lit. |
|
|
| 2. | Air passageways on |
|
| heater blocked. |
| 3. | Dirty or partially |
|
| clogged burner orifice. |
1.Operate burner until air is removed from line. Have gas line checked by local natural gas company.
2.Observe minimum instal- lation clearances (see Figure 3, page 7).
3.Clean burner (see Clean- ing and Maintenance, page 25) or replace burner orifice.
100351
