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Please have the following information at hand before calling the
After-Sales Service Department:
1. Model number, serial number
2. Date on which the problem occurred
3. LCD display status, Buzzer alarm status
4. Utility power condition, load type and capacity, environment
temperature, ventilation condition
5. The information (battery capacity, quantity) of external battery pack
if the UPS is “L” model
6. Other information for complete description of the problem
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The LCD Display
Display
Function
Input Information
Indicates the input Line voltage value, which could
be displayed from 0 to 999Vac
Indicates the frequency value of input Line
voltage, which could be displayed from 0 to 99Hz
Indicates the input Line voltage is higher than the
SPEC range, and the UPS would be working in
Battery mode
Indicates the input Line voltage is lower than the
SPEC range, and the UPS would be working in
Battery mode
Indicates the input power state, it would always be
displayed
Indicates the input power is off only if it is
displayed
Output Information
(1)
Indicates the UPS output voltage value, which
could be displayed from 0 to 999Vac
Indicates the frequency value of the UPS output
voltage, which could be displayed from 0 to 99Hz
