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28
en | Maintenance
6
Maintenance
6.1
Checking the system
Check the correct function of your NurseCall system.
6.2
Monitoring the power supply
In case of a power failure, the NurseCall Relay Unit emits a beep and the following message is
displayed alternatively with the date and time display:
Main Power
Error
The backup battery ensures that the NurseCall Relay Unit remains operational even in the case
of a power failure. When fully charged, the battery ensures a power backup of 24 hours.
When power returns after a power failure, the battery is recharged. If it has been completely
discharged, it will reach its full capacity after 24 hours of charging time.
6.3
Monitoring the backup battery
The status of the battery is indicated on the top right of the display.
Checking
Local Battery
NOTICE!
At startup, an automatic check is made.
During normal operation, an automatic check is made every 30 minutes.
Local Battery
Empty
Local Battery
Failure
NOTICE!
If the backup battery is defective, replace it as described in Section 6.5.2 Backup battery
replacing, page 30.
F.01U.252.722 | V1 | 2011.12
Perform periodically an alarm test.
To check the backup battery voltage, press
If the remaining battery capacity drops below 25 %, the following message is displayed:
If the NurseCall Relay Unit detects that the backup battery is defective, the following
message is displayed:
. The following message is displayed:
User Manual
NurseCall Relay Unit
Bosch Security Systems
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