[Elecraft] Help -- stuck in MCU LD

[David Ferrington, M0XDF]

have you tried a reboot of the Mac?
--  
It is almost impossible to carry the torch of truth through a crowd  
without
singeing somebody's beard. -George Christopher Lichtenberg, scientist  
and
philosopher (1742-1799)

On 10 Dec 2008, at 17:42, Grant Youngman wrote:

> Done several times.  NO change.
>
> Except now, I can test the port and got a good test at the right  
> speed.  The TX LED goes out, and the delta-F led comes on solid.   
> WHen I try to upload firmware I get "K3 not responding".  So it  
> responds, then it doesn't.
>
> I don't have a good feeling about this.  Don't believe it's the  
> computer port.  It seems to be the radio.
>
> It's the Mac version of the Utility.
>
> Grant/NQ5T
>
>
> On Dec 10, 2008, at 11:32 AM, Greg - AB7R wrote:
>
>> Grant,
>>
>> Sounds like the communications with the COM port were lost.  Shut  
>> down power on the
>> radio...unplug the power cable if necessary and the RS232 cable.   
>> Reboot your computer.
>> Reconnect the RS232 and power cable and start the utility program.   
>> Make sure its set for
>> 38.4K baud rate and click the button on the ports tab to test  
>> communications.  Then try to
>> load the firmware again.
>>
>> -------------------------
>> 73,
>> Greg - AB7R
>> Whidbey Island WA
>> NA-065
>>
>>
>> On Wed Dec 10  9:21 , Grant Youngman  sent:
>>
>>> Trying to put in 2.72.  Something crashed and caused a loss of
>>> communication the initial attempt, and the radio is stuck in MCU LD.
>>>
>>> Went through the procedure for forcing  bootloads in the manual --  
>>> can
>>> get to the red flashing TX LED, with MCU LD in the display (no
>>> backlight).  But nothing past that.
>>>
>>> Here is a sample of the Utility (1.1.10.17)  log:
>>>
>>> 11:10:24 K3 boot loader is ready for MCU firmware load. RS232  
>>> 38400 bps.
>>> 11:10:24 New firmware is available for your K3
>>> 11:10:29 K3 boot loader is waiting for MCU firmware load.
>>> 11:11:01 K3 boot loader is waiting for MCU firmware load.
>>> 11:11:12 K3 boot loader is ready for MCU firmware load. RS232  
>>> 38400 bps.
>>> 11:11:12 New firmware is available for your K3
>>> 11:11:30 K3 boot loader is ready for MCU firmware load. RS232  
>>> 38400 bps.
>>> 11:11:30 New firmware is available for your K3
>>> 11:11:35 K3 boot loader is ready for MCU firmware load. RS232  
>>> 38400 bps.
>>> 11:11:35 New firmware is available for your K3
>>> 11:11:46 K3 boot loader is waiting for MCU firmware load.
>>> 11:12:25 K3 boot loader is waiting for MCU firmware load."
>>>
>>> It just sits at the "... waiting for MCU firmware load" point and
>>> nothing happens.   The port checks ok, with good communication to  
>>> the
>>> radio.  No yellow flashing led, ever.
>>>
>>> Is there some other way to hard reset this thing to get it  
>>> moving?  Or
>>> something else I missed in the manual?
>>>
>>> Grant/NQ5T
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>>
>>
>
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