Driver Wdt Error; Driver Does Not Start; Bus Error; Troubleshooting For Data Link - Mitsubishi Electric MELSEC SW1DNC-CCIEF-B User Manual

Driver WDT error

When the driver WDT error occurred, check the following items.
Item
Has the error occurred due to a temporary system overload ?
Has the same error occurred repeatedly? (Is the system
overloaded constantly?)
*1 A driver WDT error may occur when the system is overloaded temporarily due to the following factors.
Windows start processing at the personal computer startup.
Operation of a device driver such as a graphic board.
Operation of other software applications.
If the problem is not solved by the above corrective actions, refer to the following section and contact us.
Page 166 Information Required for Inquiries

Driver does not start

When the driver does not start normally, check the following items.
Item
Is the board installed properly?
Is the channel number set properly?
Is the software package installed?
If the problem is not solved by the above corrective actions, refer to the following section and contact us.
Page 166 Information Required for Inquiries

Bus error

When a bus error occurs, check the following items.
Item
Is the board installed properly?
Is the board operating normally on another personal computer?
If the problem is not solved by the above corrective actions, refer to the following section and contact us.
Page 166 Information Required for Inquiries
16.5

Troubleshooting for Data Link

The following shows the troubleshooting for error for the data link on the network.
Page 152 Communication error (ERR. LED is ON/Flashing)
Page 152 User program cannot access CPU modules other than QCPU (Q mode) and MELSEC iQ-R series CPU
modules
Page 153 Communication cannot be performed occasionally when executing user program
Page 153 Station is disconnected
Page 153 Communication is unstable
Corrective action
*1
• Reset the board. (Page 114 Resetting Board)
• Restart the personal computer.
• Remove the factor of system overload.
• Disable the driver WDT function or increase the driver WDT monitoring time. (Page
106 Driver setting)
Corrective action
Check the board installation status. (Page 157 Check the board installation)
Check the channel number. (Page 160 Checking channel numbers)
Reinstall the software package. (Page 144 Installation failed)
Corrective action
Check the board installation status. (Page 157 Check the board installation)
• After formatting the HD, install the operating system again.
• Repair or replace the personal computer.
16 TROUBLESHOOTING
16.5 Troubleshooting for Data Link
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