This particular machine was starting to irritate me.
The worst part is that the eS2505AC is located 6' from a much noisier Lexmark printer that ran continuously through the first few visits ... in which all I heard was the Lexmark. At one point I offered to come back at a time when the Lexmark would not be running, and the overhead radio maybe not quite so loud (if there might ever be a time like that).
When I finally did get this opportunity the obstinate machine would STILL NOT MAKE NOISE. Then I got the idea that I would clean the fan blades and squirrel cages, and maybe tiewrap down any loose fan mountings. In my experience once you clean a fan that was intermittently making noise, then it buzzes relentlessly.
There are 10 fans in the 2505AC. The IH board fan is the absolutely worst to get to, behind the system and logic boards. My noise maker turned out to be the Exit Fan F7, but I've had F2 and F4 buzz on other machines of this series. As anticipated, once it was cleaned F7 sounded like an angry nest of bees.
All that ... just so that I could share the information I put together to individually run each fan. It didn't help me much, but you may get luckier than me: =^..^=
The worst part is that the eS2505AC is located 6' from a much noisier Lexmark printer that ran continuously through the first few visits ... in which all I heard was the Lexmark. At one point I offered to come back at a time when the Lexmark would not be running, and the overhead radio maybe not quite so loud (if there might ever be a time like that).
When I finally did get this opportunity the obstinate machine would STILL NOT MAKE NOISE. Then I got the idea that I would clean the fan blades and squirrel cages, and maybe tiewrap down any loose fan mountings. In my experience once you clean a fan that was intermittently making noise, then it buzzes relentlessly.
There are 10 fans in the 2505AC. The IH board fan is the absolutely worst to get to, behind the system and logic boards. My noise maker turned out to be the Exit Fan F7, but I've had F2 and F4 buzz on other machines of this series. As anticipated, once it was cleaned F7 sounded like an angry nest of bees.
All that ... just so that I could share the information I put together to individually run each fan. It didn't help me much, but you may get luckier than me: =^..^=
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