45
Yellow LED
Flash Code
a
Indicates
Recommended Service Action
Heartbeat
Normal Flame Signal
N/A
2
Weak Flame Signal -
System will operate reliably but flame signal is less than
desired.
Note: This indication may flash temporarily during or
shortly after lightoff on some applications.
Perform routine maintenance to
assure optimum flame signal.
1
Marginal Flame Signal (less than 1.1 µA) -
System may not operate reliably over time. Service call
recommended.
Note
: This indication may flash temporarily during or
shortly after lightoff on some applications.
Check gas supply, pilot burner, flame
sense wiring, contamination of flame 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 flash code number signifies that the LED flashes X times at 2Hz, remains off for two seconds, and then repeats
sequence.
Honeywell EI Ignition Module Yellow LED Flame Codes
Summary of Contents for 16H-340
Page 13: ...13 Figure 8 Jacket Assembly ...
Page 14: ...14 Figure 9 EP CSD 1 Control Installation ...
Page 16: ...16 Figure 11 Main Gas Piping Intermittent Ignition EI ...
Page 17: ...17 Figure 12 Schematic Pilot Piping Honeywell EI USA ...
Page 18: ...18 Figure 15 Schematic Gas Piping EP CSD 1 Control System 16H 410 16H 505 ...
Page 37: ...37 Figure 41 Operating Instructions EI ...
Page 47: ...47 Honeywell EI Trouble Shooting Guide ...
Page 48: ...48 THIS PAGE LEFT BLANK INTENTIONALLY ...
Page 58: ...58 ...
Page 60: ...60 ...