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Old 06-02-2019, 05:26 AM   #3
kgsc
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Join Date: Dec 2009
Location: Aiken, SC
Posts: 13,141
Default Re: Testing an FSIP controller

As those pots are wipers it is possible that you have a dirty connection in them. Spray some contact cleaner in them and turn them back and forth. May not work but worth a try.
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