[Elecraft] Firmware Update Crash!

[Don Wilhelm]

John,

The blinking TX LED and screen with backlight off is exactly the 
condition that you are looking for.  Go on to the next step and Test 
Communications between K3Utility and the K3.  If that is successful, 
start the firmware download.  If the communications test fails, check 
the serial port and serial cable (or USB to serial adapter), or try 
another computer, preferrably with a real serial port.

I quote from the K3Utility Help file:

    * Press and hold the K3 Power button for about 10 seconds until the
      red TX LED under the Power button begins to blink and "MCU LD"
      appears in the LCD display. The LCD back light may be off.
    * Click "Test Communications" on the Port page. You should see a
      status message indicating that the K3 is ready for MCU firmware
      load and is communicating at 38,400 bps.

73,
Don W3FPR
 
John Huffman wrote:
> Dave -
>
> No joy.   I did as the Utility Help said, but after the 10second start 
> it goes back to the red TX led flashing and the screen is dark.
>
> I took out the KIO3 thinking that something was in transmit mode.  
> Again, no joy, same symptoms.
>
> I can't even get a screen display.  I'm holding off taking out the KPA3 
> to see if there are other suggestions.  I'd like to avoid that.
>
> This is very frustrating, but I appreciate your suggestion....
>
> 73 de K1ESE
> John
>
> Dave G4AON wrote:
>   
>> John in the K3 Utility Help file it explains what to do, it's under
>> troubleshooting - Force K3 into firmware load required mode
>>
>> Hope that fixes the problem...
>>
>> 73 Dave, G4AON
>> K3/100 #80 (f/w 3.68)
>> -----------------------------
>>
>> I attempted to update my K3 to version 3.68 and now my K3 no longer works.
>>
>> It was working fine. I updated to version 3.67 yesterday. I tuned the
>> radio on just now. It was working fine. I downloaded and extracted
>> version 3.68. I opened the K3 Utility. The utility read the K3's
>> firmware and saw that the 3.67 MCU file was newer. I clicked on "Send
>> all new firmware to K3".
>>
>> The K3 screen said something like MD D. The utility said something like
>> D didn't echo, remove power. I couldn't turn the K3 off, so I removed
>> power. I reconnected power and turned on the K3. Now the red TX led
>> flashes slowly and I can't turn off the K3 without removing power.
>>
>> Now what???
>>
>> 73 de K1ESE
>> John
>>
>>
>>   
>>     
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