Hi, it sounds like a fault with your power unit, particularly if its happening across three boards. Please see Warranty & Repairs on getting the unit replace. Please note this area is not monitored daily so not for support issues, if you have a support question please create a ticket, thanks.
Having the same problem - have created 2 tickets and as yet have not had any response - Is anyone home at shark shield
I have two Shark shields , one took on water (now dead) the freedom 7 only 16 months old is also not turning on, it will charge but not function. I asked for someone to call me regarding the issue and get sent to this site. NOT Impressed with the product or the after sales service.i hope we can rectify these issues.Simon Port Augusta Aquatic Centre SA