CS1792 / CS1794 User Manual
32
Upgrade Failed
If the Upgrade Succeeded screen doesn’t appear, it means that the upgrade
failed to complete successfully, in which case you should do the following:
1. Power off the CS1792 / CS1794 and remove its housing.
2. Using a jumper cap, short the jumper on the mainboard labeled J11
(CS1792) / J17 (CS1794). The diagram below indicates the jumper
location on the CS1792 / CS1794 board:
3. Power on the CS1792 / CS1794. It will now work with the factory default
firmware.
4. Do the firmware upgrade procedure again.
5. After the upgrade procedure completes, power off the switch, remove the
jumper cap from J11/J17, close the housing, and power the CS1792 /
CS1794 on again.
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