TROUBLE- SHOOTING
Continued
OBSERVED | POSSIBLE |
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PROBLEM | CAUSE | REMEDY | ||
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Delayed ignition of | 1. | Manifold pressure is | 1. | Contact local natural gas |
burner. |
| too low. |
| company. |
| 2. | Burner orifice is | 2. | Clean burner (see |
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| clogged. |
| Cleaning and Mainte- |
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| nance, page 26) or |
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| replace burner orifice |
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| (see Changing Burner |
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| Orifice, page 34). |
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Burner backfiring | 1. | Burner orifice is | 1. | Clean burner (see |
during combustion. |
| clogged or damaged. |
| Cleaning and Mainte- |
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| nance, page 26) or |
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| replace burner orifice |
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| (see Changing Burner |
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| Orifice, page 34). |
| 2. | Burner damaged. | 2. | Replace burner. |
| 3. | Gas regulator defective. | 3. | Replace control valve. |
| 4. | Delayed ignition. | 4. | See above. |
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Yellow flame during | 1. | Not enough air. | 1. | Check burner for dirt |
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 26). |
| 2. | Gas regulator defective. | 2. | Replace control valve. |
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Flame lifting during | 1. | Burner orifice clogged | 1. | Clean burner (see |
combustion. |
| or damaged. |
| Cleaning and Mainte- |
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| nance, page 26) or |
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| replace burner orifice |
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| (see Changing Burner |
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| Orifice, page 34). |
| 2. | Manifold pressure too | 2. | Replace control valve |
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| high/defective gas |
| (see Removing Control |
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| regulator. |
| Valve and Burner Tube, |
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| page 32). |
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Slight smoke or odor | 1. Residues from manu- | 1. | Problem will stop after a | |
during initial opera- |
| facturing processes. |
| few hours of operation. |
tion. |
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| Continued |
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