Sysmac OMRON NA Series, User Manual

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5 Troubleshooting
5 - 6 NA-series Programmable Terminal Hardware User’s Manual (V117)
 Power Supply Error
Check the following items:
• Is the NA Unit correctly connected to the external DC power supply?
• Is the voltage supplied from the external DC power supply within the allowable range?
 Hardware Error
Turn OFF the power supply, disconnect all devices connected to the NA Unit, and then turn the
power supply back ON. If the NA Unit operates normally, the cause of the error is in a disconnected
device.
 System Program Error
Execute system recovery.
 Runtime Error
Download the project again. If you cannot download the program, execute system recovery.
 Project Error
Download the project again.
If you confirmed that there are no problems with the above items and the NA Unit still does not operate
normally, inquire at the contact given on the back of this manual.
 Tag Verification Error
Match the tags registered in the NA Unit with the tags registered in the connected device.
 Connected Device Communications Error
• Check the HMI Settings and connected device settings to see if they allow normal communica-
tions.
• If a router or other network devices are installed, check the settings of the router or other network
devices to see if they allow normal communications.
• If a connected device uses data links, check to see if the processing capacity of the connected
device and the network band are sufficient to handle them.
 Low Battery Voltage
Replace the Battery.
 Minor Project Error
Download the project again.
 SD Memory Card or USB Memory Device Error
Replace the SD Memory Card or USB Memory Device with a normal one..
5-2-2 Correcting Fatal Errors in the NA Unit
5-2-3 Troubleshooting Non-fatal Errors