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FanucSeries 0i / 30i
SYS_ALM500 — Alarm SYS_ALM500 (SRAM DATA ERROR (SRAM MODULE)) Diagnostic Tree
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Check the backup battery voltage and ensure the LCD-mounted type CNC case unit is properly attached; if the battery is low or the case was removed, replace the battery, attach the case, perform a memory all clear, and restart the CNC.
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