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microchip8's avatar
microchip8
Master
Mar 25, 2018
Solved

R7800: faint hissing sound from power adaptor

Hi,

 

bought the R7800 some days ago and set it completely up. Yesterday, I noticed that the power adaptor is making a faint hissing high-pitched noise. The router is stable, though, and everything works OK. I contacted support but it's weekend so will have to wait until I get a reply

 

Any other people with that issue and should I be concerned?

 

Thanks

Hardware
  • microchip8's avatar
    microchip8
    Mar 25, 2018

    I found the issue. Power adaptor of the R7800 is fine, it was the adaptor of my switch which is plugged in in socket next to the adaptor of the R7800.

1 Reply

  • microchip8's avatar
    microchip8
    Master
    Mar 25, 2018

    I found the issue. Power adaptor of the R7800 is fine, it was the adaptor of my switch which is plugged in in socket next to the adaptor of the R7800.