Faulty Ubiquiti POE Network Switch | Can I Fix It?

A viewer called Dave asked if I could look at a faulty Ubiquiti POE switch. The device shows no signs of life when plugged in, and he also said it contained a mysterious white powder...
Let's take it apart, and see if we can figure out the problem and hopefully repair it!

I'm not an expert, but I do enjoy trying to fix things.

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Dan Wilson's Capacitor Discharger:
It’s on Github here: https://github.com/wilsondr9999/1024-...
Video of it in operation is here:    • Capacitor Discharger - Passive unit to dis...  
Reddit post with discussion is here:   / capacitor_discharger_discharge_hv_capacito...  

Replacement Capacitor used in the video make sure you select [35x20 GJ]:
https://s.click.aliexpress.com/e/_ooW...



Some of the tools and equipment that I use:

Kaiweets KTI-W02 Thermal Camera:
15% off code: BIFI15
(15% off code Available site wide at Kaiweets.com and it never expires.)

https://kaiweets.com/products/kti-w02...

or alternatively on Amazon UK:
15% off code: GQ7SHK42
Date of expiry: 2024-10-31
https://amzn.to/3WAuuwc

Other Kaiweets thermal cameras:
https://kaiweets.com/collections/ther...

TOMLOV 4K AF Microscope:
TM4K-AF Flex: 8" screen
Official Website: https://bit.ly/3ZUMEe8
Amazon UK: https://amzn.to/4dFLyGn
Amazon USA: https://amzn.to/4dDc96E

TM4K-AF Max: 10.1" screen
Official Website: https://bit.ly/3Yg68bZ
Amazon UK: https://amzn.to/4eyDGYj
Amazon USA: https://amzn.to/47ZJ5FB

The Famous Blue Mat: https://amzn.to/47bPNGK
Engineer SS-02 Solder sucker: https://amzn.to/4fM9gS6
Infiray P2 Pro Thermal Camera: https://amzn.to/47c05Xm
170 piece electronics tool kit (security bits): https://amzn.to/3VnmHBh
SMD Tweezer set: https://amzn.to/3t9GlW4
Aixun T3A Soldering Station: https://amzn.to/3Xa8HMe
Soldering Flux: https://amzn.to/3DLhIE9 Alternative: https://amzn.to/4dVRdcN
Low Melt Solder: https://amzn.to/3QICZ5r : Cheaper Alternative https://amzn.to/3G4L3XK
Grinding pen: https://amzn.to/4aaocZq
Component Tester: https://amzn.to/46UcHm6 alternative (slightly cheaper) https://amzn.to/49yZSzJ
Overhead Camera Mount I Use: https://amzn.to/3tX8Ar4
Microscope Light (I use on my Trinocular): https://amzn.to/3FEAPgy
AD409 Pro Microscope 10" Screen: https://amzn.to/3G0CI7P
Extra Long Torx Drivers(used on Milwaukee radio): https://amzn.to/40siUU3
DC Power Adapter plugs 38 PCS: https://amzn.to/40mgUy9
USB Power Meter Tester: https://amzn.to/3R6NX4g
SMD Component ruler 3x (for sizes of SMD components): https://amzn.to/3TvfcWO

Rework station: I was using a 858D clone but now using an ATTEN ST-862D .

Other Equipment:
Main Overhead camera: Sony HDR-CX450 with 3rd party remote and RODE VideoMic Pro
Other cameras: Canon G7X, iPhone 6s, Go Pro Hero Silver 7 (which repaired)
Microscopes: Amscope trinocular (clone) with FHD 48MP Camera V8
& TOMLOV TM4K-AF Max.

Editing Software: DaVinci Resolve

The above links are amazon affiliate links, and I may receive a small amount from Amazon at no extra cost to you, if you choose to purchase an item.


#electronics #electronicsrepair #repairing
Ubiquiti POE switch repair
Faulty Ubiquiti POE switch
Fixing a Ubiquiti POE switch