Internal Communication Error C / M - Hitachi IJ PH Service Manual

6.3.11 Internal Communication Error C / M

Internal Communication
Error C/M
Is the EZJ93 board
CN3 connector
disconnected or in
poor contact?
No
Is the EZJ124 board
CN3 connector
disconnected or in
poor contact?
No
Does the fault restore?
Insert the latest system-data memory
card and turn on the power switch.
Does the fault restore?
System reset with Rescue CF
card.
Does the fault restore?
Replace the EZJ124 board
Does the fault restore?
Replace the EZJ93 board.
Resume the
operation.
Yes
Yes
Normality is restored when the
connector is disconnected and then
reconnected.
Yes
No
Yes
No
Yes
No
Yes
No
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