18 – 260 HEIDENHAIN Service Manual iTNC 530 HSCI
8 Insert the new buffer battery.
Due to the non-symmetric shape of the battery there is only one possibility of inserting.
Battery type: Lithium battery, type CR 2450N (Renata), ID 315878-01
8 Screw the cover plate back on and remount the MC 6241.
The buffer battery can be purchased from specialized dealers (e.g. www.renata.com).
If the battery was exchanged although the Gold cap was not loaded sufficiently, the battery-
buffered ranges of the RAM may be deleted. The non-volatile PLC markers and words belong to
this range. This may mean that several components of the machine must be set again (tool
changer, swivel head, etc.) --> Ask the machine tool builder!
The datum and the time of the BIOS setting were lost. Set these values again.
--> See ”Setting the system time” on page 13 – 173.
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