3)Pilot Outage. | 1) Too low or too high gas | 1) | Adjust inlet gas pressure as | |||
| (Standing pilot models) |
| pressures. |
| shown on rating plate. | |
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| 2) | Restricted pilot. | 2) | Clean pilot orifice. | |
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| 3) | Weak thermocouple. | 3) | Replace thermocouple. | |
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4)Yellow lazy flame. | 1) Too low gas pressure. | 1) Adjust manifold pressure as | ||||
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| shown on rating plate. | |
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| 2) | Restricted burner intake ports. | 2) Clean burners free of debris or | ||
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| insects. | |
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| 3) | Restricted gas line. | 3) Clean gas line or increase gas line | ||
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| piping. | |
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5)Sooting | 1) Insufficient combustion air. | 1) | Refer to installation instructions | |||
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| regarding combustion air | |
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| requirements. | |
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| 2) | Improper venting. | 2) | Refer to installations instructions. | |
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| 3) Severe yellow burner flames. | 3) | See yellow flame section above. | ||
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31
