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Date: 8-4-2010
Revision: 0
Form: 2396
Code Description Recommended Troubleshooting of Lockout Codes Code
15 Internal fault:
Safety relay test
failed due to
feedback ON
L
16 Internal fault:
Safety relay test
failed due to safety
relay OFF
L
17 Internal fault:
Safety relay test
failed due to safety
relay not OFF
L
18 Internal fault:
Safety relay test
failed due to
feedback not ON
L
19 Internal fault:
Safety RAM write
L
20 Internal fault:
Flame ripple and
overflow
H
21 Internal fault:
Flame number of
sample mismatch
H
22 Internal fault:
Flame bias out of
range
H
23 Internal fault: Bias
changed since
heating cycle starts
H
24 Internal fault: Spark
voltage stuck low or
high
H
25 Internal fault: Spark
voltage changed
too much during
flame sensing time
H
26
Internal fault: Static
flame ripple
H
27 Internal fault:
Flame rod shorted
to ground detected
H
28 Internal fault: A/D
linearity test fails
H
29 Internal fault:
Flame bias cannot
be set in range
H
30 Internal fault:
Flame bias shorted
to adjacent pin
H
31 Internal fault: SLO
electronics
unknown error
40
H