On 26 Jul 2005 12:40:27 -0700, wrote:

You don't say what type of fans they are or what the failure mode is.
If it's, for example, bad bearings or burnt-out windings, then most
medium-size or larger towns have shops that will repair/rebuild as
appropriate.

They just stopped turning on. I push a "digital" power button and it
beeps, as usual, but the fan doesn't move. It doesn't make any sound
either. No hum. Nothing.