Hitachi IJ UX Service Manual page 233

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6.2.11 Multi DC Power Supply Fan Fault
Multi DC Power
Supply Fan Fault
Is the multiple power supply fan
running?
Yes
Replace the EZJ126 board.
Is the problem fixed?
Replace the multiple power supply
No
Yes
END
No
6-15
Is the EZJ126 CN2 connector or
multiple power supply CN4
connector disconnected?
No
Connect the connector.
Yes

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