Yamaha QL5/QL1 Firmware User Manual download pdf (Page 11)

QL5/QL1 Firmware Update Guide 11

■About Failsafe Mode

During normal operation, software must be loaded from a flash memory drive during operations to use

the Dante module integrated in the QL. However, data in a flash memory drive may occasionally

become corrupted, as with any other storage device.

In many cases, such data corruption is caused by turning the QL power off during firmware

upgrading.

The Dante module has a specially protected flash drive section in order to recover from such a

condition. When the main section is damaged, the program stored in the protected area is activated

and the Dante module goes into “failsafe mode.”

To restore the Dante module in failsafe mode, a recovery image needs to be sent from the Firmware

Update Manager.

To check if the Dante module is in failsafe mode, use Dante Controller: the respective device is

displayed in red in the network grid view of the Dante Controller (version 3.1.x or higher).

Further, a message “NETWORK AUDIO MODULE FAILED AND WAS RESTARTED.” appears also

in the QL screen, so you may check that the DANTE version information is not displayed in the

version field of the QL series unit.

Described below are the procedures to recover the Dante module integrated in the QL series unit.

1. Turn off the power to the computer and the QL series.

2. Separate the QL from the Dante network.

3. Connect the Dante [PRIMARY] connector on the rear panel of the QL series unit to the Ethernet

connector on the computer using an Ethernet cable.

4. Turn the computer power on and logon to Windows with administrative privileges.

5. Turn on the power to the QL series.

6. Disable all but one of the network interfaces on your computer.

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Yamaha QL5/QL1 Firmware User Manual Page 11