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Potamogale
Not applicable
Posts: 3
Registered: ‎06-16-2019
Location: BE
Views: 156
Message 1 of 6

T510 Fan error even after replacing the fan

Hi everybody,

I had a "fan error" at boot. I tried to remove the dust before finally replacing the original fan. Now, when I start the laptop, the fan starts spinning, stops and I get the "fan error" again, just like with the original fan.

 

Any idea of what could cause this (and solve it)?

 

Thank you!

Potamogale

Maru_Lenovo
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Posts: 166
Registered: ‎08-02-2018
Location: PH
Views: 114
Message 2 of 6

Re: T510 Fan error even after replacing the fan

Hi Potamogale,

 

Welcome to the Community Forums!

 

You may find this discussion helpful https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T/T510-fan-error/td-p/4142722.

 

Hope this helps.

 



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Potamogale
Not applicable
Posts: 3
Registered: ‎06-16-2019
Location: BE
Views: 111
Message 3 of 6

Re: T510 Fan error even after replacing the fan

Hello!

 

Thank you Maru for your answer.

However, I saw (and read) that discussion before: it didn't help since I changed the fan and tried to grease the bearings (both the new and old fan) without success.

Any new idea?

Maru_Lenovo
Not applicable
Posts: 166
Registered: ‎08-02-2018
Location: PH
Views: 109
Message 4 of 6

Re: T510 Fan error even after replacing the fan

You can try to update the BIOS, and see if that corrects the fan error. You can get the BIOS update here https://download.lenovo.com/eol/index.html by setting the Type to Laptops & Tablets > Series to ThinkPad T Series > Sub Series to ThinkPad T510. If the issue persists, this will indicate a motherboard issue. This discussion will help you find the part number for the motherboard https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T/t510-motherboard-compatibility/td-p/1827....

 



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Potamogale
Not applicable
Posts: 3
Registered: ‎06-16-2019
Location: BE
Views: 91
Message 5 of 6

Re: T510 Fan error even after replacing the fan

Hello Maru!

Thank you, I'll try this.

Yet, I still don't see why a bios update could solve my problem. After all, my fan worked fine with my current bios version...?

richk
Not applicable
Posts: 9,480
Registered: ‎01-01-2010
Location: US
Views: 79
Message 6 of 6

Re: T510 Fan error even after replacing the fan

After reading the subject, I thought I knew the answer.  There is a fuse that is used only for the fan, but if your fan does the initial 1/2-second spin, it isn't a fuse problem.  "Fan error" means the fan is running too slowly.  It does the short spin at startup and measures the speed, via the tach-pulse lead to the fan.   Was the replacement fan a new one?  If used, are you sure it is good?  If the fan is good and you are getting that message, it means there is a problem in the motherboard circuitry.  You did mention greasing the bearing.  I assume you are talking about the sleeve bearing at the top.  If you greased that, it is important that you not really use any sort of heavy grease that will slow the spinning.  I always cleaned the shaft and the inside of the bearing, and then used a VERY light oil - not something like WD40, but a sewing machine oil or 3-in-1 oil.  I turned the housing over and used a single drop of oil onto the bearing opening.  (Fans on newer machines are not conducive to disassembly.)


Rich


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