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Toshiba e-Studio 4508A

  • Code: F070
  • Description: Communication error between System-CPU and Engine-CPU
  • Causes: LGC board SYS board Harness
  • Remedy: Error code • Turn the power OFF and then back ON using the main power switch, and then check if the error code changes to another one. • If it changes to another one, follow the procedure for the changed error code. Check firmware version • Check the version of the system firmware on the SYS board. • Check the version of the engine firmware on the LGC board. Board check • Check if the connector (CN131, CN132) on the SYS board and the connector (CN309, CN310) on the LGC board are completely inserted. • Check if the connector pin between the SYS board connectors (CN131, CN132) and the LGC board connectors (CN309, CN310) is disconnected. • Check if the connector CN301 on the LGC board and the connector CN512 on the PS-ACC are completely inserted. • Check if the conductor patterns on the LGC board and SYS board are short circuited or open circuited Harness • Connector check • Harness check
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