Honeywell S8600B Installation Instructions Manual page 13

S8600B,C,H,M; S8610B,C,H,M; S8670D,E,J,K INTERMITTENT PILOT GAS IGNITION CONTROL
Table 6. Continuous Retry Models C, M, E, and K Only—Green LED Status Codes. (Continued)
Green LED
Flash
a
Code Indicates
3 Recycle
- Flame failed during run
4 Flame sensed out of
sequence
6 Control Internal Error
7 Flame rod shorted to
ground
8 Low secondary voltage
supply
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 A. This is only avail-
able in run mode.
- A single flash code number signifies that the LED flashes X times at 2Hz, remains off for two seconds, and then
repeats the sequence.
Table 7. Lockout Models B, H D, and J Only—Green LED Status Codes.
Green LED
a
Flash Code
Indicates
OFF No "Call for Heat"
Flash Fast Power up - internal check
Heartbeat Normal startup - ignition
sequence started (including
prepurge)
4 Seconds ON Device in run mode. "x" = flame
then "x" flashes current to the nearest A.
2 Lockout - Failed trial for ignition Remain in lockout until "Call for Heat" is cycled. Check gas supply, pilot burner, spark and
3 Recycle
- Flame failed during run
4 Flame sensed out of sequence If situation self corrects within 10 seconds,
6 Control Internal Error
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Next System Action
Initiate new trial for ignition. Flash code will remain
through the ignition trial until flame is proved.
If situation self corrects within 10 seconds, control
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.
Control remains in wait mode. When the fault
corrects, control resumes normal operation.
Control remains in wait mode. When the fault
corrects, control resumes normal operation.
Control remains in wait mode. When the fault
corrects, control resumes normal operation.
Next System Action
Not applicable
Not applicable
Not applicable
Not applicable
Initiate new trial for ignition. Flash code will
remain through the ignition trial until flame is
proved.
control 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.
Control remains in wait mode. When the fault
corrects, control resumes normal operation.
Recommended Service Action
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.
Check for pilot flame. Replace gas valve if pilot
flame present. If no pilot flame, cycle "Call for
Heat." If error repeats, replace control.
Cycle "Call for Heat". If error repeats, replace
control.
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.
Check transformer and AC line for proper input
voltage to the control. Check with full system load
on the transformer.
Recommended Service Action
None
None
None
None
flame sense wiring, flame rod contaminated
or out of position, burner ground connection.
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.
Check for pilot flame. Replace gas valve if
pilot flame present. If no pilot flame, cycle
"Call for Heat." If error repeats, replace
control.
Cycle "Call for Heat". If error repeats,
replace control.
13 69-1954—01