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05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20005E247  +
Atomic Element
Tin +
CFR
10 CFR 50 +  and 10 CFR 50.73 +
Docket
05000499  +  and 00499  +
From
Vaughn G +, Ayala C +  and Creating Houston Lighting and Power Company +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +, 05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +, 05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +, 05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +, 05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +, 05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +, 05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +, 05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +, 05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +, 05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +, 05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +, 05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +  and 05000499/LER-1989-028, :on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +
Hours
0.0163 d (0.392 hours, 0.00233 weeks, 5.368855e-4 months)  +  and 0.0175 d (0.421 hours, 0.0025 weeks, 5.764575e-4 months)  +
Issue date
December 29, 1989  +
LER number
28  +
LER year
1,989  +
Manufacturer
Foxboro +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
13:42:46, 23 December 2024  +
Page count
5  +
Procedure
ST +
SSC
07-89-028 +  and N8AC-R +
Site
South Texas +
Start date
December 29, 1989  +
State
Washington +  and Texas +
Title
:on 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned   +
Title:
On 891130,control Room Ventilation Sys Actuated to Recirculation Mode as Result of Spurious Signal. Caused by Memory Error Causing Microprocessor to Energize Relay Incorrectly.Troubleshooting Planned +
To
Office of Information Resources Management +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.
https://lersearch.inl.gov/Index.aspx?Page=PDFView?Doc::4991989028R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2000/ML20005E247.pdf  +
 
Retrieved from "https://kanterella.com/Special:Browse/:05000499-2FLER-2D1989-2D028,-20:on-20891130,control-20Room-20Ventilation-20Sys-20Actuated-20to-20Recirculation-20Mode-20as-20Result-20of-20Spurious-20Signal.-20Caused-20by-20Memory-20Error-20Causing-20Microprocessor-20to-20Energize-20Relay-20Incorrectly.Troubleshooting-20Planned"