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apbdg0l031k0fa_g_en_101
12. Maintenance
Maintenance mentioned below can be performed only by manufacturer or
authorized service.
12.1. Backup battery replacement
The backup battery lifetime is limited. Its replacement is necessary at least
every five years. If special panel computer usage conditions are comply with,
the service interval can be prolonged according to chart on Fig. 24 - Backup
battery change interval.
Special usage conditions for service interval prolongation:
Comp
uter mustn’t be stored more than 1 year before usage.
Storage temperature must be b10 °C and +35 °C.
Relative storage humidity mustn’t be bigger than 90 % and condensation
must be avoided.
Battery replacement procedure can be found in Related documentation
– Panel
computers
APBxxx
– Service manual (file:
apbxxx_mr_en_xxx.pdf
).
Battery replacement can be skipped when RTC is not used.
T
H
5
10
24
12
0
0
22
Fig. 24 - Backup battery change interval
Symbol
Description
T
Service interval (years)
H
Computer usage (hours per day)
Warning
Backup
battery
Legend
