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New Member
Posts: 8
Registered: ‎02-20-2016
Solutions: 1

Hard drive like buzzing sound (UniFi AP-LR)

We have 3 AP LR units that have been relocated.  Functionally, they seem to be working just fine, but they are exhibiting a buzzing/clicking sound.  In reading other posts, it sounds similar to what has occurred with AP-Pros and this may have been the case since we got them, but now they are located closer to people.  The noise is directly correlated to activity - more activity/connections, the loader and faster the noise.

 

Are there any options to address this issue?  It looks like there was an RMA option in 2015, but I suspect that is no longer an option for these units.

SuperUser
Posts: 40,006
Registered: ‎06-23-2009
Kudos: 7895
Solutions: 1297

Re: Hard drive like buzzing sound (UniFi AP-LR)

This noise is likely to emanate from the internal switching

power supply circuit. If so, it's caused by coils in that

circuit that may not have been fully sealed in plastic.

There's no fix, but you could try for an RMA,   Dave


> HQ in Seacoast region New Hampshire U.S.A.
> Ubiquiti Certified Trainer [UCT] for:
     UBWA [AirMax] / UEWA [UniFi] / UBRSS [routers]
UBNT.NH@gmail.com
New Member
Posts: 8
Registered: ‎02-20-2016
Solutions: 1

Re: Hard drive like buzzing sound (UniFi AP-LR)

Thanks.  Are there any functional implications or just the noise for this type of issue?

New Member
Posts: 3
Registered: ‎08-14-2016

Re: Hard drive like buzzing sound (UniFi AP-LR)

It shouldn’t cause any performance impact at all. Some people refer to this as “coil whine” the reason it’s changing with the amount of activity you have is due to there being more load on the circuits that are “whining”.

SuperUser
Posts: 40,006
Registered: ‎06-23-2009
Kudos: 7895
Solutions: 1297

Re: Hard drive like buzzing sound (UniFi AP-LR)

Just the noise; not to worry.  Dave


> HQ in Seacoast region New Hampshire U.S.A.
> Ubiquiti Certified Trainer [UCT] for:
     UBWA [AirMax] / UEWA [UniFi] / UBRSS [routers]
UBNT.NH@gmail.com
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