7. Maintenance and Inspection
7.4 Component replacement
7-7 ME0342-4B
[2] When Using Absolute Battery Unit
1) Detach the absolute battery connector first, and then remove the absolute battery unit cover
retaining screws (2 places) to detach the cover. At this time, pull out the battery cables from
the opening on the cover.
2) Take out the battery.
Follow the reversed steps to put the battery back ON.
Caution
The absolute battery unit manufactured in April 2013 and earlier would not allow you to
take the cover off due to the sealing material.
In order to replace the battery for those in the applicable period, it is necessary to
replace the whole absolute battery unit.
Absolute Battery Unit Model Code:
SEP-ABU (DIN Rail Attachment Type)
SEP-ABUS (Screw Fixing Type)
Cover Retaining Screws
(2 places)
Absolute Battery
Connector
7.4 Component replacement
ME0342-4B 7-8
7.4.2 How to Replace Fan Unit
If an error is detected on the fan, replace the fan unit by following the process stated below.
[Procedure 1] Prepare a new fan unit and pull the fan unit desorption lever to release the lock.
[Procedure 2] Pull out the fan unit to detach.
[Procedure 3] Attach a new fan unit considering the connector on the unit matches with the
connector on the upper side of PCON-CFB.
[Procedure 4] Push in the fan unit desorption lever till it makes a click noise.
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