User`s manual
4-1
Section 4 Inspection and Maintenance
4-1 Battery Replacement
When the time comes to replacement the battery, replace it for a new one even if battery error is not displayed.
Also, when low battery voltage of the display unit and the controller unit is discovered, replace the battery for a new one
immediately.
Replacement the batteries of the display unit and the controller unit at the same time.
<How to replacement battery>
(1)Battery replacement of controller unit
1)Turn off power supply of the @E.Terminal.
2)Remove battery holder cover at top of controller unit. Remove battery connector and then remove battery from battery
holder.
3) Attach a new battery connector, mount battery into the battery holder, and attach the cover. Perform the exchange
quickly (within five minutes). When battery is detached for a long time, the data retained during power outage may
become erased.
4)Enter the battery guarantee period on a seal to be used on the occasion of the next battery replacement, and affix seal
to the controller unit.
(2) Battery replacement of display unit
1)Remove controller unit from @E.Terminal.
Remove mounting screws at three places to remove the controller unit from the display unit.
Be careful not to drop or lose the mounting screws.
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Mounting screws at three places
M3 screws thread,
Tightening torque:
0.5 to 0.7N·m
2)While holding down the position around the rectangle ( ) mark on the battery holder cover (as shown below), slide the
cover to the left until it is dislodged.