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WEG CFW300 VFD Factory Reset from AutomationDirect


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To learn more: https://www.AutomationDirect.com/drives?utm_source=xa7b8loYJk8&utm_medium=VideoTeamDescription

(VID-DR-0073)

Resetting the WEG CFW300 VFD to factory default is easy, but there are some things you need to know about how the various parts of the drive react to the different kinds of resets. Does a drive reset also reset the PLC? Does the PLC reset affect the drive? Watch the video to find out!

Online Support Page: https://community.automationdirect.com/s/?utm_source=xa7b8loYJk8&utm_medium=VideoTeamDescription

**Please check our website for our most up-to-date product pricing and availability.


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There are three things you can reset back to default: The Drive, the SoftPLC and the Fan run time. Resetting the WEG CFW300 drive to factory default is super easy. If I go to parameter 204 and set it to a 5, the drive resets and we are good to go. That’s all there is to it. That Reset all the drive parameters to factory default except for the drive’s rated current, Rated Line Voltage, and the serial address. That’s good to know that you don’t lose the drives address on the serial bus – you will still be able to communicate with it after a reset assuming you are using the default com channel parameters. It also resets the user parameters 910 through 959. If you were using the built-in PID app, then they get reset to the defaults shown in the user manual. If you were using a custom SoftPLC app, then they get reset to whatever your SoftPLC app had assigned as the default values. This reset command will also stop the SoftPLC and switch it back to the built-in PID function. You SoftPLC program is still in there – that hasn’t gone away, it was just turned off. For example – I have a simple SoftPLC app running that lights this indicator to show me what the state of the switch is. I see parameter 901 is a 1 which means the SoftPLC app is running. And parameter 903 is a 0 which means I am using a SoftPLC app, and not the built-in PID function. So if I go to parameter 204 and enter a 5 to reset the drive, I see my app is no longer working. Since we reset the drive parameters, we need to go back to drive parameter 275 and set it to a 37. That tells the drive that digital output 1 is being used by the SoftPLC. If I go to parameter 903, I see it got reset to the built in PID function. I’ll change that back to my SoftPLC app. Parameter 901 after the drive reset says the SoftPLC is stopped, so I’ll change that back to run the program. And sure enough my switch and indicator is working again. Perfect. So the key point to understand is, the drive reset disables the SoftPLC app, it doesn’t erase it. You can also Reset only the SoftPLC parameters by setting parameter 204 to an 11. If you were running the built-in PID function, then that resets parameters 910-959 to the factory defaults shown in the user manual. If you were running a custom SoftPLC app, then it resets those parameters to whatever defaults the SoftPLC app had setup for those parameters. This reset doesn’t stop the SoftPLC app – that is, it doesn’t change these parameters. Finally, you can reset the fan timer. That’s so when you replace the fan, you can reset the fan run time Could you reset the drive from the WEG Programming Software? Technically, yes. I could search for “LOAD/SAVE” to find the parameter and I COULD set it to a 5. But we don’t recommend resetting the drive from the WPS software. Why? Because if the software was in the middle of updating something or changing something and you issue a factory reset in the middle of it, there’s a chance that the reset could interrupt that when it power cycles the drive and that would leave things in an unknown state. So, it’s best to avoid any possible issues and always do a drive reset from the drives HMI. If you ARE using WPS, then be sure to disconnect WPS from the drive to get a clean exit – that can take a few seconds while WPS finalizes everything for the clean disconnect, so be patient –keep an eye on this little green connection indicator down here – when it turns gray you know WPS has fully disconnected from the drive. When that’s done, THEN you can do a drive reset from the drive’s keypad, and when that’s done then you can re-connect WPS. This Load Save command is also used to load and save user parameters – we’ll do a separate video on that feature. That ought to be enough to get you running with the Factory Reset. Click here to learn more about the WEG CFW300 Variable Frequency Drive. Click here to learn about AutomationDirect’s free award-winning support options and click here to subscribe to our YouTube channel so you will be notified when we publish new videos.



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