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### Instruction:
SHELFMGR-1-ALL_FANTRAYS_REMOVED
### Response:
(Severity: 1), (Category: PLATFORM), (Description: Two possibilities to this message 1) An alarm has occured. Software has detected that all fan trays have been removed from the chassisbut, but gives user 45 seconds to insert another tray. If no action is taken within 45 seconds, the chassis will be shut down. 2) A previously occured alarm has been cleared. Software has detected that all fan trays were removed which would have shut down the system. But one fan tray was put back within 45 seconds, thus removing the need to shut down the system.), (Recommended Action: Two possibilities to this message. 1) An alarm has occured : Insert a fan tray within 45 seconds. 2) A previously occured alarm has been cleared : *None*)
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