R4BE not reading speed from EK-DDC pump

[stephy32]

Can the R4BE read the speed from a fan connector with only 1 wire connected or does it expect some load on the first 2 pins? I added an EK-DDC pump to my system and the pump RPM always display 0. The pump is running fine taking power from a molex. I switch the pin around to get the pump on 7V (12V was noisy). Or does this mean the tachometer on the pump is DOA?

Thanks for any insight on this.

[Praz]

Hello

Using the RPM wire only should work fine. Test with the pump properly wired for 12V operation.

[stephy32]

Thanks, I'll check again with the pump on 12V. If that's a no go I'll see if it's worth removing the pump from the loop to RMA.

[stephy32]

works fine with pump wire for 12V. Thanks.