117
F3SJ-A
User’s Manual
Chapter6 Troubleshooting
Appendix
E
• Light intensity level indicators do not turn ON even if a beam receives light, while only the power
indicator, OFF output indicator, and receiver's error code A are being turned ON
•Safety output may be turned OFF even if a beam is not blocked.
Emitter
Receiver
Cause Action
Communication line is broken between an emitter
and a receiver, or effect of noise on the
communication line is too much.
Perform the proper wiring. Or, check the noise
level in the environment around the
communication line.
Power connector is detached. Plug the power connector tightly to ensure
connection.
Cause Action
Beam may be misaligned due to oscillation. Install F3SJ sop that it should not be affected by oscillation.
Also, adjust F3SJ beams based on "Adjustment Procedure
p.83 ".
Light emitted from another F3SJ or photoelectric sensor is
being received.
Solve the problems based on "Mutual Interference Prevention
p.50 ".
POWER
LOCKOUT
EDM
TEST
ERRO R
B
C
OFF
ON
ERRO R
A
B
C
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