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R4BE not reading speed from EK-DDC pump

stephy32
Level 7
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.
Rampage IV Dark I7-4930K@ 4.5GHz XSPC Block chipset, CPU, Mosfet
G.SKILL Ripjaws Z Series F3-2400C11Q-32GZM
EVGA GTX 780TI SC SLI on XSPC Water block.
EGVA Supernova 1300W
XSPC AX360 kit. EK-DDC PUMP, 2X XT-120mm
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3 REPLIES 3

Praz
Level 13
Hello

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

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.
Rampage IV Dark I7-4930K@ 4.5GHz XSPC Block chipset, CPU, Mosfet
G.SKILL Ripjaws Z Series F3-2400C11Q-32GZM
EVGA GTX 780TI SC SLI on XSPC Water block.
EGVA Supernova 1300W
XSPC AX360 kit. EK-DDC PUMP, 2X XT-120mm

stephy32
Level 7
works fine with pump wire for 12V. Thanks.
Rampage IV Dark I7-4930K@ 4.5GHz XSPC Block chipset, CPU, Mosfet
G.SKILL Ripjaws Z Series F3-2400C11Q-32GZM
EVGA GTX 780TI SC SLI on XSPC Water block.
EGVA Supernova 1300W
XSPC AX360 kit. EK-DDC PUMP, 2X XT-120mm