Hitachi IJ RX2 Service Manual page 219

6.4.6 Battery Low M
Battery Low M
Is the EZJ126 board
CN14 connector
disconnected or in poor
contact?
No
Replace the battery in the
engine section.
Does the fault recur?
No
Replace the EZJ126 board.
Resume the
operation.
6.4.7 Calendar Content Inaccurate
Calendar Content
Inaccurate
Is the EZJ128 board CN8
connector or EZJ126 board
CN14 connector disconnected
or in poor contact?
No
Replace the batteries in the
controller/engine section.
Does the fault recur?
No
Replace the EZJ128 board.
Does the fault recur?
No
Replace the EZJ126 board.
Resume the
operation.
Yes
Normality is restored when
the connector is disconnected
and then reconnected.
Yes
Yes
Normality is restored when
the connector is disconnected
and then reconnected.
Yes
Yes
6-40