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G-Drive repeatedly unmounting Mac OSX

My 4TB G-Drive has begun un-mounting, and re-mounting. The Mac throws error notifications each time, and I sometimes return to several notifications. It’s a Time Machine drive, so Time Machine backups are failing now. I’ve re-seated the connections, and run First Aid with Disk Utility and there are no problems found. Is a drive dying? Anything I can do before replacing the drives? TIA

Check your System Preferences > Energy Saver > uncheck ‘Put drives to sleep when possible’

That should help stopping it from happening. The computer sometimes attempts to sleep the drive but it makes the connection drop completely.

Other than that it would be hardware failure in the device.

Sleeping hard disks is unchecked, this is a desktop box.

Can I swap out the drives or is this a controller issue? Any way to tell if the enclosure itself is at fault?

Thanks for the help.

The only way to tell if the enclosure is the fault is to test with another enclosure unfortunately. That process would technically void warranty.

The warranty is 3 years and if valid you can get a replacement unit. RMA

Purchased 4/23/13 so its off warranty. Drat.

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