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FanucGeneral Series CNC
915 — Alarm 915 (DRAM PARITY / LADDER EDITING CASSETTE RAM PARITY) Diagnostic Tree
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Check the exact alarm message displayed on the screen; if the message is 'DRAM PARITY: (BYTE 3)', a RAM parity error has occurred in the DRAM module, in which case replace the DRAM module with a new one.
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