Buffer Battery - HEIDENHAIN iTNC 530 HSCI Technical Manual

3.21 Buffer battery

294
Note
Make a data backup before changing the buffer battery.
Danger
When exchanging the buffer battery, remember:
Switch off the machine and the TNC.

The buffer battery may be exchanged only by trained personnel.

When exchanging the buffer battery, ensure electrostatic discharge

protection. Improper handling can result in damage to the components or
assemblies due to ESD!
Battery type: 1 lithium battery, type CR 2450N (Renata), ID 315878-01
If the voltage of the buffer battery falls below 2.6 V, the error message
Exchange buffer battery appears. If the voltage does not rise above 2.6 V
again, the error message is reactivated after 30 minutes.
To exchange the battery:
The buffer battery is on the motherboard of the MC 6xxx.

Loosen the screws securing the housing cover of the MC 6xxx.

Remove the cover.

The buffer battery is at the border of the PCB:

In the MC 6x41, it is next to the slot for the HDR:
Buffer battery in
MC 6x41
HEIDENHAIN Technical Manual iTNC 530 HSCI