During very hot weather it’s not uncommon to get voltage drop on the incoming service due to demand. This can cause a amp spike on start up. Most newer control boards have a surface mounted fuse for control power. It’s possible that it popped the control fuse. Still if it’s under warranty get it ch...

I have had my Square Wave for several months and used with no issues, except the regulator that comes with it. Yesterday I fired it up, fan came on & ran but the display never came on and pedal activation does nothing. It was 109 F in the shop yesterday so I thought it might be temp protected. F...