Advertisement
Recovery TIPS in case your update has not been successful:
Case#1
Instead of "UPDATE OK", "FirmUpdate, push MENU key" appeared on
the display.
This occurs when the program area of the update data inside the USB thumb drive is partially corrupted.
To recover,
1. Unplug the USB thumb drive from the Z11 and copy the update data again.
2. Insert the USB thumb drive in the USB terminal on the front panel.
3. Start firmware update by pressing the MENU button.
4. When "UPDATE OK" appears on the display, firmware update is completed.
5. Power OFF the unit by pressing MASTER ON/OFF button on the front panel.
6. Unplug the USB thumb drive.
Case#2
"the flash memory VER.ERR" appeared on the display.
This occurs when the program area of the update data inside the USB thumb drive is partially corrupted.
To recover,
1. Press MENU button. "FirmUpdate, push MENU key" will appear on the display.
2. Unplug the USB thumb drive and copy the update data again.
3. Insert the USB thumb drive in the USB terminal on the front panel.
4. Start firmware update by pressing the MENU button.
5. When "UPDATE OK" appears on the display, firmware update is completed.
6. Power OFF the unit by pressing MASTER ON/OFF button on the front panel.
7. Unplug the USB thumb drive.
Case#3
The Sum value doesn't match.
This occurs when the data area of the USB thumb drive is partially corrupted.
To recover,
1. Replace USB thumb drive with a different one.
2. Then, follow the original update procedure.
Advertisement
