[Elecraft] K2: KPA100 Trouble

[Jim KO5V]

Great, I'll take that answer!

It seems to be working just fine, so now I'll just have to remember to check that calibration more frequently.

Thanks again, Don!

73, Jim KO5V


-----Original Message-----
>From: Don Wilhelm <donwilh at embarqmail.com>
>Sent: Nov 12, 2019 12:41 PM
>To: Jim KO5V <jrf1959 at earthlink.net>, elecraft list <elecraft at mailman.qth.net>
>Subject: Re: [Elecraft] K2: KPA100 Trouble
>
>Jim,
>
>Likely nothing wrong.  If the K2 is ever powered when that menu 
>parameter (which follows the heatsink temperature) is set to a low 
>value, the parameter will try to go below 0 degC - but the math cannot 
>handle negative values, so it instead goes to a high value.
>
>It is wise to check the CAL TPA parameter periodically if one has the 
>KPA100.
>
>73,
>Don W3FPR
>
>On 11/12/2019 2:28 PM, Jim KO5V wrote:
>> Hi again Don,
>>
>> I just finished that. I found the setting to be 143C. something must be bad; possibly R6 or the temp sensor?
>>
>>
>