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Y8610U INTERMITTENT PILOT RETROFIT KIT
68-0291—03 20
a
Flash Code Descriptions:
- Flash Fast: rapid blinking.
- Heartbeat: Constant ½-second bright, ½-second dim cycles.
- 4-second solid on pulse followed by “x” 1-second flashes indicates flame current to the nearest μA. This is only available in run
mode.
- A single flash code number signifies that the LED flashes X times at 2 Hz, remains off for two seconds, and then repeats the
sequence.
Table 9. Green LED Status Codes.
Green LED
Flash Code
a
Indicates Next System Action Recommended Service Action
OFF No “Call for Heat” Not applicable None
Flash Fast Power up - internal check Not applicable None
Heartbeat Normal startup - ignition
sequence started
(including prepurge)
Not applicable None
4 Seconds
ON then “x”
flashes
Device in run mode. “x” =
flame current to the
nearest μA.
Not applicable None
2 5 minute Retry Delay
– Pilot flame not detected
during trial for ignition
Initiate new trial for ignition after retry
delay completed.
If system fails to light on next trial for ignition
check gas supply, pilot burner, spark and
flame sense wiring, flame rod contaminated or
out of position, burner ground connection.
3 Recycle
– Flame failed during run
Initiate new trial for ignition. Flash code
will remain through the ignition trial until
flame is proved.
If system fails to light on next trial for ignition,
check gas supply, pilot burner, flame sense
wiring, contamination of flame rod, burner
ground connection.
4 Flame sensed out of
sequence
If situation self corrects within 10
seconds, control module returns to
normal sequence. If flame out of
sequence remains longer than 10
seconds, control will resume normal
operation 1 hour after error is corrected.
Check for pilot flame. Replace gas valve if
pilot flame present. If no pilot flame, cycle “Call
for Heat.” If error repeats, replace control.
5 Damper Error:
– Damper required but
not present
– Damper failed to open
within 60 seconds
– Damper failed to close
within 60 seconds
If damper error corrects, ignition control
resumes normal operation.
Check damper connection, damper wiring,
and 24V connection on control.
Replace damper if necessary.
6 Control Internal Error Control module remains in wait mode.
When the fault corrects, control module
resumes normal operation.
Cycle “Call for Heat.” If error repeats, replace
control.
7 Flame rod shorted to
ground
Control module remains in wait mode.
When the fault corrects, control module
resumes normal operation.
Check flame sense lead wire for damage or
shorting. Check that flame rod is in proper
position. Check flame rod ceramic for cracks,
damage or tracking.
8 Low secondary voltage
supply
Control module remains in wait mode.
When the fault corrects, control module
resumes normal operation.
Check transformer and AC line for proper
input voltage to the control. Check with full
system load on the transformer.