[Elecraft] Help -- stuck in MCU LD

Dick Dievendorff dieven at comcast.net
Wed Dec 10 12:31:39 EST 2008


Please restart the K3 Utility.  Is this the Windows or Mac version of the K3
Utility?

You're pressing the "Send All Firmware" button on the Firmware page, right?

Dick, K6KR


-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Grant Youngman
Sent: Wednesday, December 10, 2008 9:21 AM
To: Elecraft Reflector
Subject: [Elecraft] Help -- stuck in MCU LD

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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