Weld334m - User’s manual
72
Replacing the battery
3.6V CR2477N type lithium battery.
The battery is housed on the F384 CPU card in an adequate seat which allows the battery
to be replaced easily with no need for special operations.
When replacing the battery, data stored on the RAM are not lost. A Supercap type capacitor
powers RAMs during the replacement.
Check that the new battery provides the correct voltage before mounting it onto the card.
To do this use a tester.
How to replace the battery:
1.
Switch off the machine and disconnect wiring
2.
Disassemble the control device from the machine support
3.
Remove the front part by undoing the 3 fastening screws
4.
Draw out the card located sideways the CPU card
5.
Disconnect the F384 CPU card and draw it out tilting it sideways
6.
Disconnect the small cable of the display
7.
Remove the battery clip
8.
Draw out the down battery
9.
Insert the new battery
10.
Mount the clip *
11.
Connect the small cable of the display and, tilting the card sideways, fit it into the
slot
12.
Insert the card close to the F384-CPU making sure that the P7 fits correctly.
13.
Put the front part in place again checking that the PS connector fits into the window
then fasten the front part by using the screws
14.
Re-install the control device onto the machine
15.
Connect wiring again
* It is of paramount importance that the battery clip be always fitted.