Aha.. That is ok then. Today when I started my computer the one red ball has disappeared at the front of "Rotation speed monitoring fan out put". It is strange, but one problem less I hope. For the other issues, I tried to change the power cable for the pump but it didn't help. I think it might be the power supply, so I need to check that one also. Cheers, Olli

Hi, I have few questions about my aquastream XT. 1. A red led is blinking, so I assume there is some kind of problems.. 2. The aquasuite tells me the pump status: short-circuit or too much load on the fan output. ( I don't have external fan connected to the pump, so I guess it is the first alternative) 3. Aquasuite/alarm settings: red balls on flow rate alarm, rotation speed monitoring output and fan out put short circuit. What should I do? Pump is running ok and bios shows the rpm. The manual i...