Well clearly one of the indications, radio or power supply, is incorrect.
Just checked mine:
TX @ 100 watts, radio display = 18.3 amps, Power supply = 19.0 amps.
Voltage: Radio RX = 14.3, PS = 14.5. Voltage: TX Radio = 13.9v, PS
=14.5v
If the power supply voltage drops during TX, the control circuit will
attempt to produce 100 watts in which the current may increase. Also,
different bands at 100 watts will draw different amount of current
during transmit.
I actually found with a 100 watt power setting on the radio, the actual
output power was more than 120 watts. (See the discussion on Power
Calibration). This would of course affect the current demand.
73
Bob, K4TAX
On 2/4/2022 2:16 AM, elecraft-requ...@mailman.qth.net wrote:
Message: 4
Date: Tue, 1 Feb 2022 18:12:38 -0600
From: "Dr. William J. Schmidt"<b...@wjschmidt.com>
To:<elecraft@mailman.qth.net>
Subject: [Elecraft] HI CURR indicator on K3S display
Message-ID:<006401d817c9$990051f0$cb00f5d0$@wjschmidt.com>
Content-Type: text/plain; charset="us-ascii"
I remember some discussion about HI CURR issues and the causes here a while
ago. I just noticed it on my radio.. Changing the display to read amps, it
indicates 21.6 amps, but the amp meter on the power supply is only showing
10.1 amps. The radio sensing circuit seems to be in error. Anyone else
delt with this?
Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ
VP2EHZ
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