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16. PARAMETER UNIT (MR-PRU03)
16.6 Error message list
When using the MR-PRU03 parameter unit, the following error messages may be displayed. When displayed,
refer to this section to remove cause.
(1) Error messages
Error description Message Cause
Communication error
1. Hardware reason
2. Mismatch in station number
3. Mismatch in baud rate
Setting error
Incorrect input, etc.
Write error
Value is written while write is disabled.
EEP-ROM write error
1. Parts in the MR-PRU03 parameter unit are faulty.
2. EEP-ROM built in the MR-PRU03 parameter unit has been overwritten
more than 100000 times.
(2) Messages
Message Description
Valid parameters were written when power is off.
The MR-PRU03 parameter unit was used to set a station number and perform transition during the test
operation mode.
Operation mode is the test operation mode.
The test mode was changed due to external factor.
Reading settings specified for the parameter write disable (parameter No.PA19) was attempted.
In the test operation, the "ESC" key was pressed while the "Fn" key was held down to switch the screen to the
MR-PRU03 parameter unit setting screen.
The ready cannot be turned ON due to alarm, etc.
Operation mode can be switched to the test operation mode at servo-on.
Station number change was attempted in the test operation mode.
