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<h1>
<a href="https://logbooks.jlab.org/entry/3254829" rel="bookmark">iocsl3 problems</a>
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Lognumber <a href="https://logbooks.jlab.org/entry/3254829"></a><a href="https://logbooks.jlab.org/entry/3254829" class="lognumber" data-lognumber="3254829">3254829</a>. Submitted by <a href="https://logbooks.jlab.org/user/cumbia">cumbia</a> on <time datetime="2013-09-24T11:44:55-0400" pubdate="pubdate">Tue, 09/24/2013 - 11:44</time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/elog">ELOG</a> <a href="https://logbooks.jlab.org/book/slog">SLOG</a></td></tr><tr><th>Entry Makers: </th><td>cumbia, ketchum</td></tr></table></div>
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<p>CAMAC crates stop scanning about once a day for the last week. IOC status page and ioc health check shows no ioc heartbeat, but camac status page and ioc health check show there is no camac errors at all. Logging into the ioc and running camac_io_report shows timeout errors on the serial highway driver. Replaced serial highway driver. System is up and running for now. We will continue to monitor.<br />
Also note that this system uses the fiber optic u-port adapters to connect the camac crates in zones 1 and 13 back to the ioc in zone 27.<br />
everytime this problem happens, we have to cycle power on all 3 camac crates and then power up the ioc.</p>
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