Maintenance 9. Troubleshooting
No. Message Remedy Note 1 Note 2
7047
The specified work
queue data does
not exist.
Check the specified index.
7048
The work queue is not correctly
Failed to initialize the work queue
(allocate memory).
Reboot the controller.
Initialize the controller firmware.
parameter of the work queue
instruction is invalid.
Check the parameters of the commands
related to the work queue.
7050
Cannot execute while work queue data
is registered.
Cannot set the work queue since the
point data is registered to the work
Empty the work queue before setting.
7101
Communication error occurred during
transform.
The fieldbus
is broken or the controller
software is damaged. Restore the
A communication data error was
detected during communication. The
communication cable has a problem.
Check the communication cable and its
is broken or the controller
software is damaged. Restore the
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RC90 (EPSON RC+ 7.0) Rev.4
180