I have a Jacuzzi J325 hot tub that is one year old. It is the 110 volt model. The tub is outside and plugged into it's own dedicated 20 amp GFI circuit. I get the --- watchdog fault once every couple of weeks. Unplug the tub and plug it back in and fine for a couple of weeks. The repair tech seems to think it might have to do with a GFI plugged into a GFI. I disagree, you need a GFI on all outside plugs and the cord from the tub also comes with a GFI.
Any ideas of what might be causing this? The tub is still under warranty so I don't want to mess things up but I also want this fixed, winter is coming.
Thanks Ivan