F5F Stay Refreshed Power Users Networks Attempting to resolve issues with your UniFi USW 48 power supply.

Attempting to resolve issues with your UniFi USW 48 power supply.

Attempting to resolve issues with your UniFi USW 48 power supply.

Pages (2): Previous 1 2
A
alan0621
Member
Find
212
04-07-2025, 10:15 AM
#11
Identifying the real issue behind the problem requires more than just swapping parts. Understanding that these components were the root cause—not just a sign of a larger problem—is challenging.
Reply
Reply
A
alan0621
04-07-2025, 10:15 AM #11

Identifying the real issue behind the problem requires more than just swapping parts. Understanding that these components were the root cause—not just a sign of a larger problem—is challenging.

Reply
Reply
L
lunatike13
Junior Member
Find
9
04-07-2025, 10:50 AM
#12
Diagnosis remains a skillful craft. However, the sensationalism on this platform about opening your PSU is quite extreme. Last year I faced an issue swapping out my PSU fan after it produced a loud bearing noise under stress. The repair took just five minutes with a straightforward mini connector. It’s unwise to warn others they’ll face failure if they open their PSU; that only leads to waste. I could have replaced it for less, but the new fan cost only $20.
Reply
Reply
L
lunatike13
04-07-2025, 10:50 AM #12

Diagnosis remains a skillful craft. However, the sensationalism on this platform about opening your PSU is quite extreme. Last year I faced an issue swapping out my PSU fan after it produced a loud bearing noise under stress. The repair took just five minutes with a straightforward mini connector. It’s unwise to warn others they’ll face failure if they open their PSU; that only leads to waste. I could have replaced it for less, but the new fan cost only $20.

Reply
Reply
L
liamj9
Member
Find
53
04-07-2025, 07:13 PM
#13
It's accurate, yet you need to consider the simplest approach. Many individuals are eager to attempt repairs they shouldn't try. Disregarding the risks, the possibility of damaging connected equipment if something goes wrong shouldn't be underestimated. Even a functioning PSU can fail if components are swapped incorrectly, leading to performance issues over time. A faulty connection point—especially in a poorly built unit—can trigger voltage spikes that harm devices not directly linked to the PSU. Personally, I've had close encounters with damaged PC power supplies; touching their PCB exposed me to severe discomfort and numbness for hours.
Reply
Reply
L
liamj9
04-07-2025, 07:13 PM #13

It's accurate, yet you need to consider the simplest approach. Many individuals are eager to attempt repairs they shouldn't try. Disregarding the risks, the possibility of damaging connected equipment if something goes wrong shouldn't be underestimated. Even a functioning PSU can fail if components are swapped incorrectly, leading to performance issues over time. A faulty connection point—especially in a poorly built unit—can trigger voltage spikes that harm devices not directly linked to the PSU. Personally, I've had close encounters with damaged PC power supplies; touching their PCB exposed me to severe discomfort and numbness for hours.

Reply
Reply
Pages (2): Previous 1 2