Amada ML-2550A, Operation Manual

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4. Maintenance of the Power Supply Section
195
ML-2550A/2551A
Chapter 1 How to Perform Maintenance
Introduction Part
Operating Part
Maintenance Part
Appendixes
Installation
and
Preparation
Part
4. Maintenance of the Power Supply Section
Replacing the Lithium Battery for Backup
Replace the lithium battery for backup provided on the CPU board in the main unit.
The service life of the battery is about 3 years. Replace it within 3 years.
ATTENTION
Follow your local environmental regulations for battery disposal because Lithium
Battery contains dangerous materials.
Item required
Phillips screwdriver and lithium battery CR2450
⇒
At battery replacement, the registered output schedule data may be lost. We
recommend recording the data into the attached output schedule data entry table
before replacement.
Operating Procedure
(1) Turn OFF the MAIN SWITCH switch and wait for 5 minutes or more.
(2) Remove the right side cover as viewed from the front side.
(3) Remove the battery on the CPU board and install a new battery instead.
⇒
Set the battery minding the polarity.
(4) Install the side cover.
Remove the screws of the side cover, raise
the cover, and then pull it out forward.
Battery