Hitachi IJ RX2 Service Manual page 197

6.2.15 Memory Fault C/M/S
Memory
Fault M/S
Does the fault recur
upon power-on reset?
No
Do the system reset by rescue soft
Yes
Does the fault recur?
Replace the EZJ126 board.
Resume the
operation.
6.2.16 Memory Fault OP
Memory
Fault OP
Does the fault recur
when the EZJ130 board
is attached?
No
Resume the
operation.
6.2.17 Internal Communication Error S
Internal Communication
Error S
Does the fault recur
upon power-on reset?
No
Resume the
operation.
Yes
No
Yes
Replace the EZJ130 board.
Yes
Replace the EZJ126 board.
6-18
Memory
Fault C
Yes
Does the fault recur
upon power-on reset?
No
Do the system reset by rescue soft
Yes
Does the fault recur?
Replace the EZJ128 board.
No