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Subject: model 400 #1300 screwing up

From: tmconheady@yahoo.com
Date: 2015-11-15

hi.

i'm doing  a lot of recording with #1300 and it started to give me problems. the motor is speeding up, slowing down, stopping and sometimes lurching fast and slow. i have one of Marcus' sms4 boards in it. when i touch the motor control cable connected to the board it seems to make the above mentioned problems go from one to another. maybe it's a short on the cable or the connector. any thoughts and or solutions from any of you owners out there? 

the wires are yellow/white/green/red/ and a double gray, in that order.

i'd really appreciate any help you folks can offer.

thanks,

terry conheady  400s #1300 and #413