![Balboa VS500Z board troubleshooting. Anyone know what the f4 fuse is for? Keeps tripping my GFI. Fuse is not blown. Thanks! : r/hottub Balboa VS500Z board troubleshooting. Anyone know what the f4 fuse is for? Keeps tripping my GFI. Fuse is not blown. Thanks! : r/hottub](https://i.redd.it/qxpwn5mcuhw81.jpg)
Balboa VS500Z board troubleshooting. Anyone know what the f4 fuse is for? Keeps tripping my GFI. Fuse is not blown. Thanks! : r/hottub
Balboa's BP Troubleshooting & Service Manual: This Manual Covers The Following | PDF | Electrical Resistance And Conductance | Power Engineering
![Help! Where is the high limit switch located in this photo? I was told all got tubs have one. I feel like mine doesn't. : r/hottub Help! Where is the high limit switch located in this photo? I was told all got tubs have one. I feel like mine doesn't. : r/hottub](https://i.redd.it/0890r8upsaj81.jpg)