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Why does my event log display the error “Failed to flush cache to external compact flash” ?

April 26, 2017cache compact display Error event external failed Flash flush log

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Why does my event log display the error “Failed to flush cache to external compact flash” ?

1 Answer

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You have set your MCU to store CDRs (Call Detail Records), but you haven’t put a compact flash card in to the external compact flash slot for them to be stored on. (The MCU does not store CDRs internally; it only caches the last few seconds’ worth).