Yes you have a grounding problem.
Open your power distribution panel and verify the white and the green wire on your main power cable are not connected together.
Get an electrician to help you if you need it.
Call me if you want.
Jerry Parr
602-321-8141
Jerry Parr
05 Mandalay 40B
Cat C7 350
04 Honda CR-V
Ham Radio K7OU
Retired EE
Jrparr32@gmail.com
602-321-8141
Full-timer