1557-2-9 Replacement of battery inside the controllerA lithium battery is contained inside the controller as battery for clock or calendar of the laser marker. Functional characterssuch as the current date/time, expiry date/time, and lot date/time are marked based on the time of this clock. Effect from deteriorationWhen the battery inside the controller runs out due to aging, the date and time of the system clock may be out ofsynchronization when the laser marker is turned OFF. If you start the laser marker in such a condition, an alarm for systemclock may occur and the date and time setting is required. This alarm is generated every time the laser marker is starteduntil the internal battery is replaced. Replacement interval• An alarm for system clock occurred.• Almost ten years have passed since delivery. Models of replacement partsBe sure to use the following type of battery inside the controller: For details of purchasing it, contact our sales office.Type ModelManganese dioxide lithium primary battery (coin-type) with dedicated connectorAFPX-BATT (CR-2450)(made by Panasonic Industrial Devices SUNX Co., Ltd.) Steps for replacement1. Turn OFF the key switch of the controller,and disconnect the AC power cable.2. Lay the controller on its side, loosen screws(six locations) on the side panel, andremove the panel.The battery inside the controller is located in theposition as indicated in the figure on the right.3. Loosen the screws (two locations) on the coverpanel of the battery inside the controller andremove the cover.ワㄐㄕㄊㄆ• Before the maintenance work, always discharge the staticelectricity by touching the grounded metal objects, etc. Staticelectricity can damage electrical components inside controller.• Do not touch any other devices on the circuit board.ME-LPGS-SM-8
