Siemens SENTRON PAC4200 Manual page 126

5. Replace the battery.
Note
Reduced service life of the battery
Grease or dirt on the contacts forms a contact transfer resistance that reduces the
service life of the battery.
Hold the battery by the edges only.
– The enclosure does not need to be opened in order to change the battery, as the
– Insert the replacement battery into the battery compartment. Take note of the polarity
6. Ensure the old battery is disposed of in accordance with legal requirements.
PAC4200
System Manual, 05/2019, A5E02316180B-05
NOTICE
Short-circuit of the battery
Gripping the battery with metal tools will short-circuit the battery.
Use insulated tools.
battery compartment is accessible from the outside. Remove the battery from the
battery compartment. Use angled pointed pliers for this.
indicated at the insertion opening of the battery compartment.
Note
Polarity of the battery
The opening of the battery compartment has the same shape as the battery. This
determines the alignment of the terminals. It is not possible to insert the battery
incorrectly.
Figure 8-3 Battery change
Service and maintenance
8.4 Replacing the battery
125