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Thread: carrier 19xrv
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04-20-2011, 12:31 PM #1
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carrier 19xrv
Carrier centrifugal with pic 2 control, this one sounds relativly simple, doing the winter maint on this machine and noticed a phase reversal fault nothing had changed elecrically, reset and back into lock out , checked incoming phasing ok for proper rotation, thinking ther is somthing wrong the the integrated starter module, anyone ever run into this any thoughts would be greatly appreciated.
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04-20-2011, 06:44 PM #2
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Probably the ISM. When this problem reared it's head to me, the voltages read at the CVC were way out of whack. Happened twice on two different jobs.
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12-29-2012, 03:14 PM #3
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ISM Failure
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Last edited by jpsmith1cm; 12-30-2012 at 11:51 AM. Reason: non AOP member
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12-30-2012, 11:52 AM #4
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pfe001
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