Restore of appliance (for VT335S, VT805, VT604, VT608, VT825)

Owned by Vladimir Tayzhev
Last updated: Oct 26, 2023
4 min read

Sometimes you may need a full software recovery in the appliance. E.g. in case, You require a clean system install.

Remember: if unit is working, but CAN bus is broken for example, first of all, please save settings → System menu → Export→ Download current settings into file Settings.vut. Use this file for automatic upgrade after recovery! Check the CAN settings in Networks Settings tab, may it s not enable!

Save unit settings!

Attention! All user information and preferences will be destroyed forever if a full software recovery is used!

Step 1

Install the following driver using Windows OS:

Driver for connecting the PC to the monitoring unit using USB:

WinUSB4NuVCOM_NUC970_02-10-2014.zip

The driver can work on Windows 10 and Windows XP.

Step 2

Switch the unit to recovery mode. See the picture below:

Step 3

Connect the computer to the monitoring unit using the USB cable. 

You will need cable USB-A - mini USB, PC with Windows, with installed USB Nuvoton driver.

Step 4

Turn on the unit by plugging the power adapter.

Step 5

The device will appear in  the Windows Device Manager (Windows >> Control Panel >> Device Manager) :

Step 6

Download NuWriter either NUC976DK61Y or NUC976DK62Y:

Option a)

Option b)

 

Step 7

Unzip the NuWriter ZIP file into any folder. Open this folder and run NuWriter.exe inside it.

Step 8

a) Select target chip: NUC970 series

b) Choose processor type: NUC976DK61Y or NUC976DK62Y (depends on the "Step 6" and NuWriter version)

c) Push "Continue"

Step 9

Download file “vutlan-xxx-xxx.bin”, from the driver's directory and save it anywhere on Your computer.

Step 10

Choose:

a) Choose type: SPI

b) Image type: Pack

c) Image name: Choose “vutlan-xxx-xxx.bin” file downloaded in the previous step.

d) Press the button "Re-Connect". The button should light "Green". If it is light red, check the following:

  • The switch on unit should be switched to Recovery mode. If not, power Off the system, switch to recovery mode and power it On again.

  • The USB cable is connected between the PC and the system.

  • If none of the above help, the board is probably damaged.

Step 11

Press "Eraseall" and wait until finished (approximately 1m 40s)

Step 12

Push "Burn" and wait until finished (approximately 4m 2s)!

Step 13

Turn off the appliance.

Switch the DIP switch from "Recovery" to "Normal".

The device is ready and You can power it On.