Call the manufacturer for diagnosis.
Pfeiffer is great at helping out.
Assistant in Instruction
Department of Geology
206A Carnegie Science Building
44 Campus Avenue
Lewiston, ME 04240
Quoting Peter Swart <[log in to unmask]>:
> We had to turn off the power to our Kiel and the turbo does not come
> back. We get a series of red leds, rather than the normal green led.
> I assume this is bad news, either the controller or the pump. Does
> anyone know what the red leds mean.