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Servicing/Maintenance
6.4
Backup Battery
Function
The backup battery ensures that the hardware clock continues to run when the
power supply is turned off.
Battery life
The OP uses a lithium battery. It is fitted when the unit is supplied and under
normal operating conditions has a typical service life of about 5 years.
Battery suppliers
New batteries should be obtained from the Siemens spare parts service. They
are supplied ready to fit (with cable and connector).
Safety precautions
When handling lithium batteries you should observe the following precautions:
Warning
!
6-8
If not handled properly, lithium batteries can explode.
Batteries should never
– be charged
– be opened
– be short circuited
– have their poles reversed
– be heated to over 100 C
– be exposed to direct sunlight for long periods.
You should not allow condensation to form on batteries.
If you have to transport the batteries, the hazardous good transport regula-
tions for the relevant mode of transport must be observed (goods subject to
identification).
OP37/Pro Equipment Manual
Release 7/98
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