Honeywell EI Ignition Module Yellow LED Flame Codes
Yellow LED | Indicates | Recommended Service Action | |
Flash Codea | |||
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Heartbeat | Normal Flame Signal | N/A | |
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| Weak Flame Signal - |
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| System will operate reliably but flame signal is less than | Perform routine maintenance to | |
2 | desired. | ||
assure optimum flame signal. | |||
| Note: This indication may flash temporarily during or | ||
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| shortly after lightoff on some applications. |
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| Marginal Flame Signal (less than 1.1 µA) - |
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| System may not operate reliably over time. Service call | Check gas supply, pilot burner, flame | |
1 | recommended. | sense wiring, contamination of flame rod, | |
| Note: This indication may flash temporarily during or | burner ground connection. | |
| shortly after lightoff on some applications. |
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OFF | No Flame or Flame Signal - | N/A | |
below minimum threshold for system operation. | |||
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aFlash Code Descriptions |
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-Heartbeat: Constant ½ second bright, ½ second dim cycles.
-The flash code number signifies that the LED flashes X times at 2Hz, remains off for two seconds, and then repeats sequence.
64
