[Elecraft] KPA500 fan won't shut off

[Jack Brindle]

That won’t do any good. The main firmware has shut down at that point. The fan is running because the relay is stuck, which is not something that firmware can fix.

Call tech support.

73!
Jack, W6FB


> On Nov 25, 2019, at 7:49 PM, Eric Norris <norrislawfirm2 at gmail.com> wrote:
> 
> Reload the firmware.
> 
> 73 Eric WD6DBM
> 
> On Mon, Nov 25, 2019, 6:51 PM VK5GR <vk5gr.radio at gmail.com> wrote:
> 
>> FAN CTL = NOR
>> 
>> FANs are idle while the amp is turned on - amp ambient temp was 27C at the
>> time (it was powered up and had been idle for about 20 minutes).
>> 
>> I then turned the amplifier off via the front panel push button. I would
>> have expected the FANs to start up for about 10 seconds as they discharge
>> the 60V rail supply but instead the FANs continue to run. the only way to
>> turn them off is to unplug the amp from the mains supply.
>> 
>> It is definitely a fault condition and not a menu selection.
>> 
>> Thoughts?
>> 
>> 
>> 
>> --
>> Sent from: http://elecraft.365791.n2.nabble.com/
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