Yaskawa SmartTrac DM6420 Multi I/O Card - Manual (Page 23)

SMART TRAC DM6420 Multi I/O Card
Technical Manual Troubleshooting Your Smart Trac DM6420 Multi I/O Card
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Troubleshooting Your Smart
Trac DM6420 Multi I/O Card
Replace Card
Replace the suspect Smart Trac DM6420 Multi I/O card with a new one.
If the problem persists, the card is not the problem. You may need to contact
your application engineer to determine whether the problem is software-related.
Status and Error Messages
TBD