Craig,
Any chance the antenna might have swung past the limit switch while the rotor
was unlocked? I had this happen to me once --it would turn a little but then
the "wrong" limit switch came into play and I had a very limited range near
the end. Had to go up and manually move the antenna through the limit switch
while the break was released. It sounds like you have a "stuck" rotor which
might mean no movement at all--but, just in case thought I'd contribute this.
I can think of no other "easy" answer.
Most of these things end up being cable related!
By the way, I sent my 300 back to MFJ a couple of years ago for a total
update with hardened shafts and improved keys (both inside and outside). It
was about $250 but it's a way improved unit now. I actually haven't used it
since as I purchased the M squared 2800 while it was getting fixed. It's on
the shelf!
Good luck.
John, N0IJ
Duluth, MN
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