Hitachi UX Twin Nozzle Service Manual page 342

6.5.17 Power does not turn OFF after pressing Stop button
Does the trouble fixed when the connetors
below are disconnected once and reconnected?
-CN20, CN23, CN2, CN34 and CN28 of EZJ133
-CN4 of EZJ113
-CN4 of EZJ139
-CN2 of EZJ114
Does the trouble fixed after
replacing the EZJ114 board? *1
Does the trouble fixed after
replacing the EZJ113 board? *2
Does the trouble fixed after
replacing the EZJ134 board? *3
Does the trouble fixed after
replacing the multiple DC
power supply1 ? *4
Replace the EZJ133 board. *5
。
Power does not
turn OFF
No
Yes
No
No
Yes
Yes
6-100
(*1): When you replace EZJ114 board,
(*2): When you replace EZJ113 board, refer
Yes
(*3): When you replace EZJ134 board, refer
(*4): When you replace Multiple power
Yes
(*5): When you replace EZJ133 board,
[Caution]
Be sure to check that there is no wrong
connection of harnesses by referring to
[Connector
method of harnesses] in "3.3.20 Electrical
Resume the
operation Connection Diagram".
refer to [Notes in case of the board
replacement] in "3.3.11
board (LED / SW board)".
to [Replacement procedures
EZJ113 board] in "3.3.19 EZJ113
board (Power relay board 1)".
to [Replacement procedures
EZJ134 board] in "3.3.6 EZJ134
board (Nozzle2 drive board)".
supply1, refer to [Replacement
procedures of multiple power supply]
in 3.3.15 Multiple Power Supply 1
and 2.
refer to [Replacement procedures of
EZJ133 board] in "3.3.1 EZJ133
board (MPU board)".
numbers and Identifying
EZJ114
of
of