10)Defective ignition module or defective gas valve.
10)Before module goes into a
3)Pilot Outage. | 1) Too low or too high gas pressures. | 1) | Adjust inlet gas pressure as shown | |
(Standing pilot models) |
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| on rating plate. |
| 2) | Restricted pilot. | 2) | Clean pilot orifice. |
| 3) | Weak thermocouple. | 3) | Replace thermocouple. |
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4)Yellow lazy flame. | 1) Too low gas pressure. | 1) Adjust manifold pressure as shown | ||
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| on rating plate. |
| 2) | Restricted burner intake ports. | 2) | Clean burners free of debris or in- |
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| sects. |
| 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 re- | ||
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| garding combustion air require- |
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| ments. |
| 2) | Improper venting. | 2) | Refer to installations instructions. |
| 3) | Severe yellow burner flames. | 3) | See yellow flame section above. |
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