Need help with System Fan Issue

[technnomaster12]

Hey everyone! I recently built a PC using the matrexx 50 add-rgb 4f case. Everything works smoothly but I do not understand why my bios read my system fan for a few seconds and then shows no signal. Any ideas on how to trouble shoot it. The fan keeps running no matter what but the actually read itself keep going on and off. I am using an asus prime z690-o d4 wifi motherboard. 

[LogicalDrm]

-> Moved to Cooling

 

Could be faulty tach wire or pin. Is it just one fan? Have you tried switching to different fan headers?

[alyen]

Is each fan connected to one motherboard fan header or did you split some of them up? Are the result any different when you try other fan headers?

 

[technnomaster12]

I have not been able to try with another fan header pin because the wires physically cant reach there. I was thinking of buying some sort of extension but I ighly doubt that will solve my issue. Just to clarify for you guys the 4 fans connect into one wire. The fan header that it plugs into is right next to my RGB header. @alyendid you never run into this issue while building your case? 

[alyen]

1 hour ago, technnomaster12 said:

Just to clarify for you guys the 4 fans connect into one wire. The fan header that it plugs into is right next to my RGB header. @alyendid you never run into this issue while building your case? 

I have had some some strange RPM fluctuation reporting 0 RPM at times even though the fan didn't stop when I connected 3 or 4 fans to one header even though the rating on the fans should have been less than 1 amp in total. I removed some fans to resolve it, but I'm not sure if it was because the fans were old and maybe were no longer operating as efficiently.

[technnomaster12]

Really interesting. Cause my fans increase in RPM when the CPU temps rise.