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Chapter6 Troubleshooting
F3SJ-A
User’s Manual
Appendix
Troubleshooting
Lockout State
If F3SJ detects any failure, it keeps safety output OFF and transitions to lockout state. Under lockout
state, an emitter and a receiver set lockout indicator and OFF indicator blinking respectively, and F3SJ
that detected the failure sets an error mode indicator ON or blinking based on the failure. Solve the
problems based on the table below.*1
Eliminate the cause of the problem. Turning the power on again or providing reset input resets the
F3SJ.
*1 If communication error is indicated on primary sensor's receiver, it may be caused by other F3SJ
(emitter or secondary sensor). If a connector was disconnected before, especially in series
connection, ensure that connection should not be loose and that internal connector pins should not
be bent.
ERROR ERROR
A
B
C
A
B
C
POWER
LOCKOUT
EDM
TEST
ON
OFF
1
2
1
20
20
ERROR-C (red)
ERROR-B (red)
ERROR-A (red)
ERROR-C (red)
ERROR-B (red)
ERROR-A (red)
EMITTER
RECEIVER
Error mode indicator
Error mode indicator
Lockout indicator (yellow)
OFF output indicator (red)
Emitter Receiver
Courtesy of CMA/Flodyne/Hydradyne ▪ Motion Control ▪ Hydraulic ▪ Pneumatic ▪ Electrical ▪ Mechanical ▪ (800) 426-5480 ▪ www.cmafh.com
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