Herb, have you tried retuning the 20m segments?
If it's not that, I'd suspect a bad component in the 20m output network.
73, Dick WC1M
-----Original Message-----
From: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Sent: Monday, June 3, 2019 12:20 PM
To: Amps group <amps@contesting.com>
Subject: [Amps] Acom 2000A Question
I have an Aocom 200A and like it very much. However, I noticed an unusual
problem that now occurs. The amplifier works well on all bands except 20
meters. On 20 meters I get an error message with the warning to reduce power.
The unit malfunctions with any drive level; over 10 watts. My load is 1.1 to
1. Do you have any suggestions on how I can further check this problem?
Or...do you have an email for the manufacturer in Bulgaria?
Herb Schoenbohm, KV4FZ
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