22
TROUBLE- SHOOTING
Continued
| OBSERVED | POSSIBLE |
|
|
|
| |
| PROBLEM | CAUSE | REMEDY |
| |||
|
|
|
|
|
|
|
|
| Burner does not light | 1. | Burner orifice is | 1. | Clean burner orifice (see |
| |
| after ODS/pilot is lit |
| clogged |
| Cleaning and Mainte- |
| |
|
|
|
|
| nance, page 20) or |
| |
|
|
|
|
| replace burner orifice |
| |
|
| 2. | Burner orifice diameter | 2. | Replace burner orifice |
| |
|
|
| is too small |
|
|
|
|
|
| 3. | Inlet gas pressure is | 3. | Contact local natural gas |
| |
|
|
| too low |
| company |
| |
|
|
|
|
|
|
|
|
| Delayed ignition of | 1. | Manifold pressure is | 1. | Contact local natural gas |
| |
| burner |
| too low |
| company |
| |
|
| 2. | Burner orifice is | 2. | Clean burner orifice (see |
| |
|
|
| clogged |
| Cleaning and Mainte- |
| |
|
|
|
|
| nance, page 20) or |
| |
|
|
|
|
| replace burner orifice |
| |
|
|
|
|
|
|
|
|
| Burner backfiring | 1. | Burner orifice is | 1. | Clean burner orifice (see |
| |
| during combustion |
| clogged or damaged |
| Cleaning and Mainte- |
| |
|
|
|
|
| nance, page 20) or |
| |
|
|
|
|
| replace burner orifice |
| |
|
| 2. | Burner damaged | 2. | Replace burner |
| |
|
| 3. | Gas regulator defective | 3. | Replace gas regulator |
| |
|
|
|
|
|
| ||
| Yellow flame during | 1. Not enough air | 1. | Check burner for dirt |
| ||
| burner combustion |
|
|
| and debris. If found, |
| |
|
|
|
|
| clean burner (see |
| |
|
|
|
|
| Cleaning and Mainte- |
| |
|
|
|
|
| nance, page 20) |
| |
|
| 2. | Gas regulator defective | 2. | Replace gas regulator |
| |
|
|
|
|
|
| ||
| Slight smoke or odor | 1. Residues from manu- | 1. | Problem will stop after a |
| ||
| during initial opera- |
| facturing processes |
| few hours of operation |
| |
| tion |
|
|
|
|
|
|
|
|
|
|
|
| ||
| Heater produces a | 1. Turning control knob | 1. | Turn control knob to |
| ||
| whistling noise when |
| to HIGH position |
| LOW position and let |
| |
| burner is lit |
| when burner is cold |
| warm up for a minute |
| |
|
| 2. | Air in gas line | 2. | Operate burner until air |
| |
|
|
|
|
| is removed from line. |
| |
|
|
|
|
| Have gas checked by |
| |
|
|
|
|
| local natural gas com- |
| |
|
|
|
|
| pany |
| |
|
| 3. | Air passageways on | 3. | Observe minimum |
| |
|
|
| heater blocked |
| installation clearances |
| |
|
|
|
|
| (see Figure 4, page 10) |
| |
|
| 4. | Dirty or partially | 4. | Clean burner (see |
| |
|
|
| clogged burner orifice |
| Cleaning and Mainte- |
| |
|
|
|
|
| nance, page 20) or |
| |
|
|
|
|
| replace burner orifice |
| |
099400
