Hi,
I had try to upgrade with ControlFLASH on AB PLC
but it is not completed
So it is not work any more to connect on PLC
I need to reset manually
But i don't know how
Please, let me know
Tanks, Lee
Fail to upgrade firmware AB PLC 1769-L23E
Re: Fail to upgrade firmware AB PLC 1769-L23E
If cycling controller power it's not possible to complete the upgrade, then return the controller for factory repair.