Hitachi UX Twin Nozzle - Page 265

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6.2.11b Multi DC Power Supply2 Fan Fault
Yes
Connect the connector.
Multi DC Power
Supply2 Fan Fault
Is the multiple power supply2
fan running?
No
Is the EZJ133 CN28 connector
or multiple power supply CN4
connector disconnected?
Yes
Replace the EZJ133 board. *1
No
END
Is the problem fixed?
No
Yes
Replace the multiple power supply2
(*1): When you replace EZJ133 board, refer to [Replacement procedures of
EZJ133 board] in “3.3.1 EZJ133 board (MPU board)”.
[Caution]
Be sure to check that there is no wrong connection of harnesses by
referring to [Connector numbers and Identifying method of harnesses] in
“3.3.20 Electrical Connection Diagram”.