Before Asking For Repair - NEC Express5800/R320g-M4 Maintenance Manual

Chapter 1 Maintenance
3.2

Before Asking for Repair

If you think that a failure occurred, follow the steps below:
1. Check if the power cord and cables to other products are properly connected.
2. Check LED indications and alarm messages on display unit. See Chapter 1 (6. Error Messages).
3. See Chapter 1 (8. Troubleshooting). If you find a symptom similar to your problem, take the action as
instructed. The LED indications and the display on the screen at the failure will be useful information
for the repair.
4. Confirm that the required software has been properly installed.
5. Scan for viruses using a commercial Antivirus Software.
If the problem persists after taking the measures above, contact your sales representative. Take notes on LED
indications and the display on the screen at the failure, which will be useful information for the repair.
Express5800/R310g-E4, R320g-E4, R320g-M4 Maintenance Guide (Windows)
3. User Support
23