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F3SG-SR
User’s Manual
Chapter8 Troubleshooting
Appendix
E
8-1-4. Troubleshooting for Intelligent Tap
If the Intelligent Tap detects any failure, it transitions to the LOCKOUT state. Under the LOCKOUT
state, the ERR indicator is turned ON. Identify an error according to the combination of the indicators
when the error occurs. See the following troubleshooting tables to take measures.
• The signals output to IO-Link or IN and OUT indicators show the statuses of the F3SG-SR/PG or Intelligent Tap except
their LOCKOUT state.
• The muting inputs A and B are kept in the OFF state when the LOCKOUT state occurs due to the power supply voltage
error.
Description
Checking by
Error code
(HEX)*
Cause and measures
Indicator
SD Manager 3/
SD Manager 3
Mobile APP
Communication
error
X X 1D The communication lines or other lines may be short-circuited or
broken.
Check the cables for cascading or extension cables.
If the wiring is extended with cables other than specified, the
cables used for extension may not have performance equivalent
or greater than the specified cables. Use cables with the same
performance or more than the specified cables.
4
3
2
1
IN
OUT
IO-Link
ERR
1
2
3
4
Communication error in Backup
Communication error in Restoration
Communication error between the
F3SG-SR and the Intelligent Tap
Communication error
DIP Switch circuit error at startup
Restoration failed
LOCKOUT state of the F3SG-SR
IO-Link circuit error
Power supply voltage error, or
other errors
Green
Red
Red
Green
Illuminated OFF Fast blinking Slow blinking
ERR
(Red)
IN
(Yellow)
OUT
(Green/Red)
IO-Link
(Green)
Error description
Combination of indicators and error description
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