[ICOM] Pro3 Fan Questions

[Phil Krichbaum]

The fan on a PROIII comes on anytime it goes into transmit. I don't know 
of any user adjustments.
    Phil N0KE

Bob Beatty wrote:
> I have just received a new Pro3 and am having some issues with the fan.
>
> 1.  Without keying the rig, the fan periodically comes on and runs for
> about a minute and shuts off.  Is this normal?
>
> 2.  Today (7-26), the fan began to run whenever the rig was keyed and would
> stay on from 30 seconds to 1+ minute.  By "keyed", I mean clicking the PTT
> and letting up.  This operation seems excessive.  I thought the fan was
> thermostatically-controlled and would only run when it got hot enough.
>
> I do not find the fan action mentioned in the owner's manual and I don't
> know if there is a user adjustment for what is happening.
>
> Any suggestions, opinions, etc. are appreciated.
>
> 73,
> Bob W4VQ
> w4vq at arrl.net
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