Hitachi IJ PH Service Manual page 195

6.6.6 System Error （31,34,35）
*) This alarm is displayed when download goes wrong.
System Error (31,34,35)
Insert the system-data memory card
and turn on the power switch.
Yes
Does the fault restore?
No
System reset with Rescue CF
card.
Yes
Does the fault restore?
No
Resume the
operation
Replace the EZJ124 board.
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