TOUCH OPERATING PANEL
HZS 7321
04.09.2020
Page 45
16.2 Exchanging the Battery: 2. Option
1. The SRAM data are saved to the microSD card via the CLI command “sramsave
FILE-
NAME”
.
Example: sramsave C: \sram.backup
The commands can be run via the remote CLI from LASAL CLASS 2 or by direct input to the
device.
If the data is not previously saved, the settings in the heat controller are lost
2. Disconnect the HZS 7321 supply.
3. Using the correct Torx screw-
driver, loosen and remove the
battery cover.
4. Using the strap, remove the
battery from the holder.
5. Insert the new battery with the correct polarity (plus side facing the back of the terminal)
and remount the battery cover.
6. Apply voltage to the device.
7. Load the SRAM data from the Flash using the CLI command “sramload
FILENAME”
and
reset the time. The time and date can be set via set Time and set Date.
Example: sramload C: \sram.backup