The turn-on temperature for fan speed 1 is 50 degrees C. Fan speed threshold temperatures are in the KPA1500 firmware release notes for version 1.87.
In earlier firmware, the fans did indeed come on at less than 50 degrees C. 73 de Dick, K6KR -----Original Message----- From: [email protected] <[email protected]> On Behalf Of KENT HUFFORD Sent: Friday, July 10, 2020 12:47 To: 'Andy Durbin' <[email protected]>; [email protected] Subject: Re: [Elecraft] NO AUTO FAN ON KPA-1500 The temp sensor is working. The remote software sees the temp. And I can control the fans with the remote software. 48c. Then I turned on the fans with the remote software. When the auto temp feature in the amp working, the first fan came on at about 40c -----Original Message----- From: [email protected] <[email protected]> On Behalf Of Andy Durbin Sent: Friday, July 10, 2020 3:43 PM To: [email protected] Subject: [Elecraft] NO AUTO FAN ON KPA-1500 Just a couple of questions: If the temperature sensor isn't working how are you measuring the temperature? What is the highest observed temperature with fans not running? Andy, k3wyc ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

