UPS 30-300kVA User Manual
Operator Control and Display Panel
39
Indicator
State
Description
Off
Battery and battery converter normal, battery not charging
Bypass
indicator
Steady green
Load supplied by bypass
Steady red
Bypass abnormal or out of normal range, or static bypass switch
fault
Flashing red
Bypass voltage abnormal
Off
Bypass normal
Inverter
indicator
Steady green
Load supplied by inverter
Flashing
green
Inverter on, start, synchronization or standby (ECO mode) for at
least one module
Steady red
System output not supplied by inverter, inverter fault for at least
one module.
Flashing red
System output supplied by inverter, inverter fault for at least one
module.
Off
Inverter not operating for all modules
Load
indicator
Steady green
UPS output ON and normal
Steady red
UPS overload time is out, or output short, or output no power
supply
Flashing red
Overload output of UPS
Off
No output of UPS
Status
indicator
Steady green
Normal operation
Steady red
Failure
There are two different types of audible alarm during UPS operation, as shown in Table 3-2.
Table 3-2
Description of audible alarm
Alarm
Description
Two short alarm
with a long one
when system has general alarm (for example: AC fault),
Continuous alarm
When system has serious faults (for example: fuse blown or hardware
failure)
3.1.2 Control and Operation Keys
Control and operation keys includefour keys of 2, 10, 11 and 12(See Figure3-1), which are used
together with LCD touch screen. The functions description is shown in Table 3-3.
Table 3-3
Functions of Control and operation keys
Function Key
Description
EPO
Long press
，
cut off the load power (shut down the rectifier, inverter,
static bypass and battery)
BYP
Long press
，
transfer to the bypass(Push the button up in the back of
the door to enable , see Figure4.2)
INV
Long press, transfer to the inverter
MUTE
Long press to switch between turning off and on the buzzing
