Originally Posted by cc_in_oh
My 2160A has started making unpleasant sort of angry-hornet-ish noises a few minutes after power-up. Everything still seems to be working fine - recording, editing, dubbing - so most likely just the fan, no?
My refurb'd 3575 has been making louder-than-normal noises for 3 years with no op effects.
To see if the fan might be the culprit, tighten the two screws on the fan, or loosen them, to see if the noise changes in unison. I had one new 3575 early on make fan noises due to a harmonic in the case, and by removing it (letting it hang by the two thin/delicate wires that go into the case) and installing a thin rubber gasket on the edge(s), it quieted down... however, I thought better of having that near the fan so removed the gasket material and it had apparently "worked out the kinks" in its newness (noise gone)... or just repositioning everything helped?
Check out the fan blades and see if they might be caked with dust?
There's a help file on replacing the fan if it comes to that.
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With Summer coming, I recommend users let their HDD fill up (once a year or two) until it won't record anymore,.. these units just stop when full, with no adverse effects... then Delete All HDD Titles. It might help keep the unused bits from fading, esp. if you always record-and-delete like I do so only a portion of the HDD gets used.
If you don't believe in "bit-fade," there might be another benefit: this procedure also helped resolve my refurb'd 3575 issue of freezing on playback of the 1st three titles, failing the SKIP 079 and SKIP 013 procedures, etc., etc. Works like a champ now, except still a little noisier than my other 3575 that I got new. SWAG: I figure that doing this several times forced the HDD to isolate its bad sectors and use its reserve sectors, or something like that.
I've used the "fill-er-up" procedure also on my other, newer Mag units w/o any ill effects.
Edited by wajo - 3/15/13 at 3:06pm