21
YELLOW LED
FLASH CODE
A
INDICATES
RECOMMENDED
SERVICE ACTION
Heartbeat
Normal Flame Signal
not applicable
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
µ
A)-
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 sensor,
burner ground
connection.
OFF
No Flame or Flame
Signal below minimum
threshold for system
operation.
not applicable
A
Flash Code Descriptions:
• Heartbeat: Constant 1/2 second bright 1/2 second dim
cycles.
• The flash code number signifies that the LED flashes X
times at 2Hz, remains off for two seconds, and then repeats
the sequence.
TABLE 4. YELLOW LED FLAME CODES
The following procedures are provided as a general guide.
Any module should be replaced if it does not perform properly on
checkout or troubleshooting.
In addition, replace any module if it is wet or looks like it has ever
been wet.
LED STATUS AND TROUBLESHOOTING
The control has two LEDs; one for flame sensing and one for
system status:
•
Flame LED (Yellow)
Indicates flame presence and strength. Refer to Table 4.
•
Status LED (Green)
Indicates system operation status and error conditions. Refer
to Table 5 and Table 6 on Pages 22 and 23 for status specific
to each model.
FIGURE 9. LOCATION OF LED'S
Summary of Contents for Burkay HW-300
Page 4: ...4 GENERAL SAFETY...
Page 6: ...6 Figure 1 COMPONENT LOCATIONS CONTROL COMPONENTS...
Page 14: ...14 LIGHTING AND OPERATING INSTRUCTIONS NATURAL AND PROPANE FOR HW300 HW399...
Page 15: ...15 LIGHTING AND OPERATING INSTRUCTIONS NATURAL AND PROPANE WITH I I D FOR HW420 UP...
Page 26: ...26 NOTES...
