[Icom] IC-910H heat/fan problem

Sun, 24 Feb 2002 04:42:15 +1100

Mine also is hot.  No problems as yet but I'm not too keen on the temp that it
reaches.

      73, John de VK2XGJ
  VK2XGJ, VK's last Satellite Gateway
    The early bird may get the worm
but the second mouse gets the cheese!

----- Original Message -----
From: "Ron Tivey" <[email protected]>
To: "ICOM" <[email protected]>
Sent: Sunday, February 24, 2002 2:26 AM
Subject: [Icom] IC-910H heat/fan problem

>
> Hello to all,
>
> I have a IC-910H with all the option installed.  I haven't had any
> problems till today.  My wife being long winded was talking to a friend
> for several minutes in 2M FM about 40W when the radio cycled off and on
> when she keyed up.  I repeated this when I ran the radio on a dummy load
> for a while.  The problem appears to be heat.  When the radio is
> transmitting the fan will cycle from slow to fast until the PTT is
> released.  Then the fan stops.  Seems to be ambient temp build-up during
> tx/rx cycles.  Shouldn't the radio fan stay running until the temp drops
> below a set point from a thermostat?  I never noticed this before so I
> don't know it this is a problem with just my radio or a design problem.
> Anyone out there with an answer?  I don't what to send this radio to
> ICOM only for them to say it's okay.  I would appreciate if someone with
> a IC-910H could duplicate this test and forward a result to me.
>
>
> Ron, N4GFO
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