[Elecraft] KPA3 Fails Calibration

[Joe Planisky]

Hi Bruce,

You ARE connecting the rig to a dummy load for the calibration and not to an antenna, right?  (Just checking the obvious first, no offense intended.)

73
--
Joe KB8AP



On Jan 23, 2011, at 11:39 AM, Bruce James Howes wrote:

> Good suggestion Greg!
> 
> Tried in manually, same issue.
> 
> Think it is a power supply problem, RF may be getting into my power supply, shutting it off.
> Manually I get up to 50 watts, then the K3 shuts down, fine on the other bands, so not a a current draw issue.
> I'll need to lash up a battery for additional testing, but wager that is it.
> 
> Will report back to the group.
> 
> 
> Cordially,
> Bruce J. Howes
> 
> 
> 
> 
> 
> 
> On Jan 23, 2011, at 2:31 PM, Greg wrote:
> 
>> Bruce.  Try it manually and see if it works.
>> 
>> 
>> 
>> On Sun, Jan 23, 2011 at 11:13 AM, Bruce W1UJR <w1ujr at mac.com> wrote:
>> Hello all,
>> 
>> Just installed the KPA3 100 watt PA into my K3.
>> While running through the TX Gain Calibration program in the K3 Utility I received an error.
>> 
>> Did the 5 watt cal no problem, but when it was doing the 50 MHz calibrate the K3 shut off
>> and displayed the error below in the K3 Utility window.
>> 
>> Thinking this an aberration, I attempted 3 more times, each time the K3 shuts off during
>> the 50 MHZ cal period.
>> 
>> I used my nifty Elecraft W1 power meter to measure RF, on all bands 50+ watts, the 5/6 LEDs on the W1
>> were present on all bands, including 50 MHZ, as the K3 Utility runs the RF test on the 50 MHz,
>> the K3 shuts off.
>> 
>> I just upgraded to the new firmware before adding the KPA3, not sure if this is related to that
>> or not.
>> 
>> Suggestions?
>> 
>> ERROR MESSAGE FROM K3 UTILITY FOLLOWS
>> 
>> at 24.930 MHz
>> Calibrating at 29.000 MHz
>> Calibrating at 52.000 MHz
>> StartTune: Unexpected response '' to 'TQ;'. State 139
>> StopTune: Unexpected response '' to 'TQ;'. State 77
>> RestoreKAT3: Unexpected response '' to 'MP;'. State 224
>> RestorePower: Unexpected response '' to 'PC;'. State 87
>> 
>> 
>> 
>> Cordially,
>> Bruce J. Howes
>> 
>> 
>> 
>> 
>> 
>> 
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> 
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