Owner`s manual
30329-0-0312Page 60
INTERMITTENTPILOTTROUBLESHOOTING(continued)
Green LED Status Codes
Green LED
Flash Code
(X+Y)
a
Indicates Next System Action Recommended Service Action
OFF No “Call for Heat” Not applicable None
Flash Fast Startup-Flame sense calibration Not applicable None
Heart Beat Normal operation Not applicable None
3 Recycle
- Flame failed during run
Initiate new trial for ignition. Flash code
will remain through the ignition trial until
ame is proved.
If system fails to light on next trial for
ignition, check gas supply, pilot burner,
ame sense wiring, contamination of
ame rod, burner ground connection.
4 Flame sensed out of sequence If situation self corrects within 10 sec-
onds, control returns to normal se-
quence. If ame out of sequence re-
mains longer than 10 seconds, control
goes to Flash code 6 + 4 (see below).
Check for pilot ame. Replace gas valve
if pilot ame present. If no pilot ame,
cycle “Call for Heat.” If error repeats, re-
place control.
7 Flame sense leakage to ground Control remains in wait mode. When the
fault corrects, control resumes normal
operation after a one minute delay.
Check ame sense lead wire for dam-
age or shorting. Check that ame rod is
in proper position.
Check ame rod ceramic for cracks,
damage or tracking.
8 Low secondary voltage supply -
below 15.5 Vac)
Control remains in wait mode. When the
fault corrects, control resumes normal
operation after a one minute delay.
Check transformer and AC line for proper
input voltage to the control. Check with
full system load on the transformer.
6 + 2 Failed trial for ignition resulting in
lockout
Remain in lockout until “Call for Heat” is
cycled.
Check gas supply, pilot burner, spark and
ame sense wiring, ame rod contami-
nated or out of position, burner ground
connection.
6 + 3 More than 5 ame failures during
run on the same “Call for Heat” re-
sulting in lockout
Remain in lockout until “Call for Heat” is
cycled.
Check gas supply, pilot burner, ame
sense wiring, contamination of ame
rod, burner ground connection.
6 + 4 Flame sensed out of sequence -
longer than 10 seconds
Control waits until ame is no longer
sensed and then goes to soft lockout.
Flash code continues. Control auto re-
sets from soft lockout after one hour.
Check for pilot ame. Replace gas valve
if pilot ame present. If no pilot ame,
cycle “Call for Heat.” If error repeats, re-
place control.
ON Soft lockout due to error detected
during self check sequences
Control auto resets from soft lockout af-
ter one hour.
Reset by cycling “Call for Heat.” If error
repeats, replace the control.
a
Flash Code Descriptions:
- Flash Fast: Rapid blinking
- Heartbeat: Constant 1/2 second bright 1/2 second dim cycles
- A single ash code number signies that the LED ashes X times at 2Hz, remains off for two seconds, and then repeats the
sequence.
- X + Y ash codes signify that the LED ashes X times at 2Hz, remains off for two seconds, ashes Y times at 2Hz, remains off
for three seconds, and then repeats the sequence.