
OPERATION
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Z800-3000_usermanual_engl_updated_202001.docx
Symbol
Description
Function
Output sockets
Active UPS output
Battery
Battery symbol in DC link: UPS system in bat-
tery mode
Battery charging
Battery symbol in DC link: Battery in charging
mode
Boost mode
The UPS system evens out low voltage in the
mains voltage without the battery
Buck mode
The UPS system evens out high voltage in
the mains voltage without the battery
Table 3: Display
Alarm
Description
Every 5 seconds
UPS system in battery mode
Every 2 seconds
Battery voltage low
Every second
Overload
Continuous tone
Error
Table 4: Acoustic alarm
Abbrevia-
tion
Display
Description
AC
Active Closed
AO
Active Open
BL
Battery Low
BR
Battery Replace
CH
Charger
DIS
Disable
EE
EEPROM Error
ESC
Escape