[Icom] PW1 problem

Sat, 9 Nov 2002 13:20:45 -0600

The only way I've ever succeeded in getting the amplifier to fault (2
amps, 2 years, 220VAC) is when the CI-V control line was somehow
compromised.  If your transceiver is not set on a specific baud rate,
i.e., is set on automatic, then change it to 9600 baud (or lower) and do
the original PW-1 to transceiver setup test (Power off, Power on while
holding appropriate input button, twirl transceiver dial until input
light quits flashing).  I'd also, with the dummy load, do the ALC
setting again -- using 20 meters for the frequency.

This problem could also be caused by RF feedback, but the dummy load
should have prevented that unless you've a fault on the line from the
exciter to the amp.

To go further, it would be nice to know what transceiver you're using,
whether your CI-V line is also connected to other devices, what those
devices are, and any other operating parameters.

Good luck!

73,
Mike WA0SXV

-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Wayne White
Sent: Saturday, November 09, 2002 13:11
To: [email protected]
Subject: [Icom] PW1 problem

Yes, tried a dummy load and still the amp kicks into fault on 20 meters.
No
abnormal operation until this happened.
73