Shield M10U, User Manual

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Chapt
er 7 Operator Control and Display Panel
Shield M10U user manual 41
7.1.1 Mimic Current Path
The LEDs shown on the mimic current path represent the various UPS power paths and show the current UPS operating
status. The status description of indicators is shown in
table.7-2 .
Table.7- 2: Status Description of Indicator
Indicator State Description
Rectifier
indicator
Steady green Rectifier of all modules is normal
Flashing green At least one of module rectifier is starting
Steady red At least one Rectifier of module fault
Flashing red Main input of at least one module is abnormal
Off Rectifier is not working
Battery
indicator
Steady green Battery is charging
Flashing green Battery is discharging
Steady red
Battery is abnormal (battery failure, no battery or battery reverse) or battery
converter is abnormal (failure, over current or over temperature) , EOD
Flashing red Battery voltage is low
Off Battery and battery converter is normal, battery is not charging
Bypass
indicator
Steady green UPS is working in bypass mode
Steady red Bypass is failure
Flashing red Bypass voltage is abnormal
Off Bypass is normal and is not working
Inverter
indicator
Steady green Inverter is feeding the load
Flashing green Inverter is starting, or UPS is working in ECO mode
Steady red At least one module’s inverter is failure, and inverter is not feeding the load
Flashing red Inverter is feeding load, and at least one module’s inverter is failure
Off Inverter is not working in all modules
Load
indicator
Steady green UPS output is on and is normal
Steady red
UPS output is overload and time is over, or output is shorten, or output has no
power supply
Flashing red UPS is overload
Off No output voltage
Status
indicator Steady green Normal operation
Steady red Fault
7.1.2 Audible Alarm (buzzer)
There are two different types of audible alarm during UPS operation as shown in table.7-3 .
Table.7- 3: Description of Audible Alarm
Alarm Purpose
Two short, one long
when system has general alarm (for example: main input abnormal), this audible
alarm can be heard
Continuous alarm
When system has serious faults (for example: fuse or hardware fault), this audible
alarm can be heard
7.1.3 Functional Keys
There are 4 functional buttons on operator control and display panel, which are used together with LCD. The functions
description is shown in
table.7-4 .
Table.7- 4: Functions of Functional Keys
Functional key Functions
EPO
To cut off the load power to shut down the rectifier, inverter, static bypass and
battery
HOME To return the main menu
Left arrow and righ arrow
Select options in the mian menu, switch over secondary meun pages, upward
and downward roll the histrical log, add and subtract the intered number