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p2im0 11-26-2019 09:43 PM

LL120 Not Being Controlled by CoPro
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I just re-built my setup with a HydroX loop with 5 LL120 fans connected to a Commander Pro.

Setup iCue and got it all working, but I have one fan that intermittently disagrees and will not be controlled by iCue. This has happened consistently after reboots.

All ports on the Commander Pro are set to 4-pin in the Settings page, and the pump is on port #6.

I had all fans set to the HydroX Fan Profile (which had them at 0RPM) yet this bugger decides to do its own thing.

It'll also sometimes decide to stop spinning while all the others are spinning.

Anything I should check before attempting an RMA?

DevBiker 11-26-2019 10:11 PM

So ... what I'd suggest at this point is to swap the port that the fan is in with another one ... see if the behavior "follows the fan" or is tied to the port.

tiborrr 11-27-2019 03:54 AM

It might be better to ask this in the cooling or link section here:
Cooling (for fans):
Link (for Commander pro related questions):

c-attack 11-27-2019 08:44 AM

For whatever reason, Fan #1 is the one that historically misbehaves or gets stuck. It not something specific to the Hydro X profile and this is the first report I have seen for that. Restarting the service (internally within iCUE settings), reboots, or quit/relaunch will often fix it. Mine did this 2-3 times in a week 4 months ago and it then never happened again -- same C-Pro, same curves, same everything.

As suggested above, you might swap 1 <-> 2 to rule out the fan itself. If nothing else, unplug the fan from #1 and reconnect. Sometimes that is all it takes and a good first step with any fan issue.

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