We just bought a used hot tub and are having some problems with it.

We had it delivered, set it up and was running perfectly for the first night. Temp was right and all of the switches worked and the next night, we were using it and I went to turn the jets on, and the entire tub shut off.. The GFCI and circuit were not blown.

The next morning we were told it was the fuse, so we replaced it and the tub powered back on just fine.

The problem now is that the tub will not heat past 90 degrees. We put the tub up to 104, but it will not go higher than 90.

I can feel the heater, and its warm but for some reason the tub wont get hotter?

Also, I noticed that the status/heat light is no longer red on the control panel. I am really hoping that somebody can help me?

Thank you.

Update, The tub is not heating at all. I thought it was holding heat, but it seems to not heat at all. Really looking for some help with this.