22
TROUBLE- SHOOTING
Continued
OBSERVED | POSSIBLE |
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PROBLEM | CAUSE | REMEDY |
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Burner does not light | 1. | Burner orifice is | 1. | Clean burner orifice (see |
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after ODS/pilot is lit |
| clogged |
| Cleaning and Mainte- |
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| nance, page 20) or |
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| replace burner orifice |
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| 2. | Burner orifice diameter | 2. | Replace burner orifice |
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| is too small |
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| 3. | Inlet gas pressure is | 3. | Contact local propane |
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| too low |
| gas company |
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Delayed ignition of | 1. | Manifold pressure is | 1. | Contact local propane |
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burner |
| too low |
| gas company |
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| 2. | Burner orifice is | 2. | Clean burner orifice (see |
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| clogged |
| Cleaning and Mainte- |
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| nance, page 20) or |
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| replace burner orifice |
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Burner backfiring | 1. | Burner orifice is | 1. | Clean burner orifice (see |
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during combustion |
| clogged or damaged |
| Cleaning and Mainte- |
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| nance, page 20) or |
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| replace burner orifice |
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| 2. | Inlet gas pressure is | 2. | Contact local propane |
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| too low |
| gas company |
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| 3. | Burner damaged | 3. | Replace burner |
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| 4. | Gas regulator defective | 4. | Replace gas regulator |
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Yellow flame during | 1. Not enough air | 1. | Check burner for dirt |
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burner combustion |
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| and debris. If found, |
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| clean burner (see |
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| Cleaning and Mainte- |
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| nance, page 20) |
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| 2. | Inlet gas pressure is | 2. | Contact local propane |
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| too low |
| gas company |
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| 3. | Gas regulator defective | 3. | Replace gas regulator |
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Slight smoke or odor | 1. Residues from manu- | 1. | Problem will stop after a |
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during initial operation |
| facturing processes |
| few hours of operation |
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Heater produces a | 1. Turn control knob to | 1. | Turn control knob to |
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whistling noise when |
| HIGH position when |
| LOW position and let |
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burner is lit |
| burner is cold |
| warm up for a minute |
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| 2. | Air in gas line | 2. | Operate burner until air |
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| is removed from line. |
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| Have gas checked by |
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| local propane gas |
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| company |
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| 3. | Air passageways on | 3. | Observe minimum |
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| heater blocked |
| installation clearances |
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| (see Figure 4, page 10) |
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| 4. | Dirty or partially | 4. | Clean burner (see |
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| clogged burner orifice |
| Cleaning and Mainte- |
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| nance, page 20) or |
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| replace burner orifice |
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101869
