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7. TROUBLESHOOTING
7.2 Troubleshooting
The following describes simple troubleshooting methods to be employed when using
the RFID interface module.
For programmable controller CPU related troubleshooting, refer to the user’s manual of
the CPU module used.
7.2.1 Troubleshooting flow
In this section, error details are described by first dividing the errors into groups
according to the events that occur as described below.
YES
YES
YES
NO
NO
NO
Error occurs
Please consult your local
representative, explaining a detailed
description of the problem.
"RUN" LED of
RFID interface module
turns OFF
"ERR" LED of
RFID interface module
turns ON
"EXT.PW" LED of
RFID interface module
turns OFF
Section 7.2.2
Flow when "RUN" LED turns OFF
Section 7.2.3
Flow when "EXT.PW" LED turns OFF
Section 7.2.4
Flow when "ERR" LED turns ON
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