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10 TROUBLESHOOTING
10.1 Before Troubleshooting
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TROUBLESHOOTING
10.1
Before Troubleshooting
Check that the POWER LED of the power supply module and the MODE LED of the CPU module are on.
If they are off, perform the troubleshooting of the CPU module.
User's Manual (Hardware Design, Maintenance and Inspection) for the CPU module used
10.2
Visual Inspection
Check that the communication cables and wires are not disconnected and check the following items.
Checking the LED status of the bridge module
Errors regarding the operating status and communications of the bridge module can be checked with the following LEDs.
When the LEDs are in the following status, settings and wiring need to be corrected.
1.
Check all LEDs of the bridge module.
If all LEDs of the bridge module are off even after powering off and on the module, perform the following troubleshooting.
Page 99 When all LEDs of the bridge module are off even after powering off and on
2.
Check the LINK LED of the bridge module.
If the LINK LED does not turn on or flash even after powering off and on the module, perform the following troubleshooting.
Page 99 When the LINK LED does not turn on or flash even after powering off and on
If the LINK LED does not flash, perform the following troubleshooting.
Page 99 When the LINK LED of the bridge module does not flash
3.
Check the ALM LED of the bridge module.
If the ALM LED is flashing at 0.2 second intervals, perform the following troubleshooting.
Page 99 When the ALM LED of the bridge module is flashing at 0.2 second intervals
If the ALM LED is flashing at 1 second intervals, perform the following troubleshooting.
Page 99 When the ALM LED of the bridge module is flashing at 1 second intervals
If the ALM LED is on, perform the following troubleshooting.
Page 100 When the ALM LED of the bridge module is turned on
4.
Check the ALM LED of the bridge module.
If the L RUN LED does not turn on, perform the following troubleshooting.
Page 100 When the L RUN LED of the bridge module is not turned on
5.
Check the L ERR. LED of the bridge module.
If the L ERR. LED is flashing regularly, perform the following troubleshooting.
Page 100 When the L ERR. LED of the bridge module is flashing regularly
If the L ERR. LED is flashing irregularly, perform the following troubleshooting.
Page 100 When the L ERR. LED of the bridge module is flashing irregularly
If the L ERR. LED is on, perform the following troubleshooting.
Page 100 When the L ERR. LED of the bridge module is turned on
Checking the operating status of the slave module
Check that there is no error in the slave module. For the troubleshooting of the slave module, refer to the following.
Page 102 Troubleshooting of Slave Module
• When the data (I/O data and parameter data) of the slave module cannot be checked
• When the data (I/O data and parameter data) of the slave module data is unstable
Содержание AnyWire NZ2AW1C2AL
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