TA74 User Manual
Cleaning, disinfection, maintenance, reuse | en 51
TA74_UM_EN_V2.5_2019.09_Final
© TeleAlarm SA
9.5
Replacing the unit battery
The unit battery of the TA74 has a limited lifetime and should be replaced after three years,
or if the device announces the error <Unit battery empty>. Replace the battery even if the
device is continually connected to the main power supply.
To replace the battery:
1. Disconnect all plugs from the device. Begin with the power supply.
NOTE
The TA74 should be serviced by trained and authorised personnel only.
NOTE
Use only original batteries made for the corresponding device and supplied by TeleAlarm.
Any other batteries could damage the device.