March 11, 20215 yr Hi I purchased a SFX Power Supply. SFX L Power Be quiet 600W to be exact. The unit is brand new & I'm unable to make it work. I tried the paperclip test, nothing... The fan spools up for a quarter second & then shuts down, I hear a click when it starts, but nothing. Any tips? Am I faced with a DOA unit? Thanks MSFS. Hardware: AMD 5600X @4.0Ghz, Corsair H100i RGB Pro XT AIO, MSI MPG B550i Gaming Edge WiFi mobo, RTX 3080ti 12GB FE GPU , G.Skill TridentZ Royal 32GB (2x16) DDR4-3600 RAM CL16, PNY XLR8 3030 1 TB SSD (OS + SIM), Crucial P5 1TB M.2 pcie-3 NVMe SSD (data) . Corsair SF750 80+ Platinum PSU, NZXT H200i Mini ITX Tower. 38" LG UltraGear 38GN950-B display. 4x QL120 fans
March 11, 20215 yr Are you sure it's not just switching off the fan due to zero load? Power saving mode. Pick up a PSU tester from Amazon, they are really cheap. You just plug it in and it will tell you what all of the rails are doing on the display.
March 11, 20215 yr https://www.amazon.co.uk/dp/B071WTPD7Q/ref=cm_sw_r_cp_apa_fabc_C4NT5YG5N4W1KXQ6DQGS
March 11, 20215 yr Author 49 minutes ago, martin-w said: Are you sure it's not just switching off the fan due to zero load? Power saving mode. Pick up a PSU tester from Amazon, they are really cheap. You just plug it in and it will tell you what all of the rails are doing on the display. Thanks for the link. I did breadboard my system to test it. Plugged in 24 pin ATX & 8 pin CPU plug as well as the PCI express pin to the graphics card. the motherboard, a B550i Aorus pro AX. I jumpstarted with a screw driver. Everything came on for less than a second and then turned off. Since then when I jumpstart again, I just hear a click on the PSU & then nothing... I tested with another PSU to check hat the mortherboard, GPU & CPU weren't at fault, which was confirmed not to be the case. MSFS. Hardware: AMD 5600X @4.0Ghz, Corsair H100i RGB Pro XT AIO, MSI MPG B550i Gaming Edge WiFi mobo, RTX 3080ti 12GB FE GPU , G.Skill TridentZ Royal 32GB (2x16) DDR4-3600 RAM CL16, PNY XLR8 3030 1 TB SSD (OS + SIM), Crucial P5 1TB M.2 pcie-3 NVMe SSD (data) . Corsair SF750 80+ Platinum PSU, NZXT H200i Mini ITX Tower. 38" LG UltraGear 38GN950-B display. 4x QL120 fans
March 11, 20215 yr 6 minutes ago, canadiantree said: I tested with another PSU to check hat the mortherboard, GPU & CPU weren't at fault, which was confirmed not to be the case. Oh right, in that case sounds like a dead PSU. In which case RMA it. The clicking you hear sounds like the relay. If there's any kind of short the OCP might be tripping. So possibly a cable issue. Are you using the cables that came with the PSU? All PSU cables have pinouts that are specific to that PSU. The PSU tester is always useful to have. I've had mine for years now and test each new PSU I receive. It wont tell you what the PSU is doing under load, but still a valuable tool to have in your possession.
March 11, 20215 yr Author It could be a cable issue but I've only got one set of cables. Yes, I'm using the cables that came with it. Thanks again for your help, unfortunately SFX PSU's are hard to find these days. MSFS. Hardware: AMD 5600X @4.0Ghz, Corsair H100i RGB Pro XT AIO, MSI MPG B550i Gaming Edge WiFi mobo, RTX 3080ti 12GB FE GPU , G.Skill TridentZ Royal 32GB (2x16) DDR4-3600 RAM CL16, PNY XLR8 3030 1 TB SSD (OS + SIM), Crucial P5 1TB M.2 pcie-3 NVMe SSD (data) . Corsair SF750 80+ Platinum PSU, NZXT H200i Mini ITX Tower. 38" LG UltraGear 38GN950-B display. 4x QL120 fans
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