Burnham 8H Series - Page 64

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