Removal Of Electronic Modules - Siemens MicroSAM Operating Instructions Manual

Service and maintenance
6.3 Installing and removing electronic components
6.3.1

Removal of electronic modules

Replacing the backup battery
The gas chromatograph has a backup battery for the built-in clock.
Explosion hazard
Observe the regulations for explosion protection if the chromatograph is installed in a
hazardous area. Replacement of this backup battery is only permissible in the hazardous
area if you have a fire permission certificate. This applies whether the gas chromatograph
is switched on or off.
Procedure
1. Remove the connector
2. Loosen the screw T30
3. Remove the backup battery
4. Install the new backup battery in the reverse order.
88
WARNING
②
①
on the battery module.
.
③
.
Operating Instructions, 06/2012, C79000-G5376-C560-07
MicroSAM