Metrohm 840 PC Control 5.0 / Touch Control - Manual (Page 315)

5 Troubleshooting – Maintenance
PC Control / Touch Control
303
5.3 Maintenance
5.3.1 Changing the batteries (Touch Control only)
The Touch Control indicates that its batteries need changing with the
message "Battery low". Please note that the current date and time will
be reset to 1.1.2000 and 00:00:00 respectively.
Proceed as follows:
Switch off the Touch Control.
Remove the three fastening screws of the protective cover on the
base of the housing:
Fig. 5.1: Changing the batteries for Touch Control
Exchange the existing batteries for two new 1.5 V alkaline
manganese batteries, type LR6/AA/AM3 (Metrohm Order number
6.2133.010).
Make sure that the poles of the batteries are positioned correctly!
The correct arrangement is shown in the battery compartment.
Reattach the protective cover to the rear panel with the three screws
and close it.
Switch on the Touch Control and reset the date and time (see
Section 3.7.2).