Troubleshooting; Troubleshooting Flow - Mitsubishi MELSEC-Q EQ-V680D1 User Manual

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.
7 - 2
Error occurs
"RUN" LED of
RFID interface module
turns OFF
NO
"EXT.PW" LED of
RFID interface module
turns OFF
NO
"ERR" LED of
RFID interface module
turns ON
NO
Please consult your local
representative, explaining a detailed
description of the problem.
YES
Section 7.2.2
Flow when "RUN" LED turns OFF
YES
Section 7.2.3
Flow when "EXT.PW" LED turns OFF
YES
Section 7.2.4
Flow when "ERR" LED turns ON
7
7 - 2