Hi everyone, I have a Spa with a Balboa GS100 controller.
There are no error codes showing, but when the heater relay clicks in, I get voltage at the heater element pins for half a second, just enough to ping the multi-meter, but then nothing.
The display panel is the VL260 which has 4 buttons (warm, cool, light, jets), with led's above the jets, light, and cool button. When the heater comes on, the light above the cool button comes on, then after a short while it begins to flutter (blink rapidly).
I've gone through every reset I can think of, the filter is currently out, I've m