Parker PAC, Installation Manual, Page: 180 / 197

TROUBLESHOOTING
180 Parker Automation Controller Installation Guide
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No applications have been successfully loaded upon startup
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The *.app file is missing
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I/O system errors occur when copying files from the USB stick drive
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An error occurs when restoring the backup NK.bin
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An error occurs when copying the default project to the \project folder on the SD card
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An error occurs when initializing the retentive memory chip
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The retentive memory chip signals an error
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An error occurs when copying files to the SD card root directory
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The model number is invalid or missing
EtherCAT Connection
There are a variety of reasons for problems with the EtherCAT connection:
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The PAC does not find the EtherCAT slave
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There is a device conflict
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The cable is not connected
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There is no XML file
Troubleshoot the following:
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EtherCAT Network state
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Link activity for the Fieldbus LED
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Link activity for the E-Bus
EtherCAT Status LEDs
There are three LEDs located directly below the EtherCAT connector X1.
ECAT Run:
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Off The EtherCAT network is off-line.
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On The EtherCAT network is running.
E-Bus Link/Act:
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Off The E-Bus does not have a link.
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On The E-Bus link is detected.
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Blinking - The E-Bus link is detected and there is activity.
X1 Link/Act:
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Off The EtherCAT fieldbus does not have a link.