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7. Maintenance
7 - 4
7-3-2 Replacing the unit fan
Replace the unit fan with the following procedures.
Replacement procedure
[1] Turn the NF for the 200/230VAC input power OFF, and wait for the CHARGE lamp on the
power supply unit to turn OFF before removing the unit.
[2] Remove the fan guard from the back of the power supply unit, and remove the two fan
mounting screws.
[3] Remove the rubber bushing for the fan power cable, and pull out the connection connector.
[4] Disconnect the connection connector, and replace the fan.
Remove the two screws
Remove the rubber bushing
Pull out the connection
connector and disconnect
the connector