Service manual

Always On UPS Systems
M0704_NX_Series_Service_Manual V2.17 2012-06-12 27
Listed below are all the fault conditions that can be displayed:
1
st
row: HIGH DC SHUTDOWN – DC Bus voltage out of operating range.
2
nd
row: SHORT CIRCUIT! – a short circuit condition has occurred on the output.
FUSE/OVERHEAT – a fuse has blown or the system has shutdown due to
overheating.
OVERLOAD SHUTDOWN – system has exceeded the overload limit beyond the
operating window.
EMERGENCY STOP – user has activated the emergency stop feature.
INVERTER ABNORMAL – inverter is not operating within specified parameters.
3
rd
row: BYPASS ON SHUTDOWN – inverter failure, system operating in bypass mode.
The UP (↑) or DOWN (↓) key has no function in this menu. The screen will go back to
MENU 1, when ENTER(↵) is pressed.
14.4. Menu 3 – Real Time Data Menu
MENU 3 is reached by selecting REAL TIME DATA on MENU 1. The cursor(→) is used to
select what type of real time data the user would like to view, RECTIFIER DATA (MENU 6
– Section 10.7), RESERVE DATA (MENU 7 – Section 10.8), OUTPUT DATA (MENU 8 –
Section 10.9) and OTHER DATA (MENU 9 – Section 10.10). To select one of the different
menu options move the cursor(→) until it is pointing at the correct selection, by press the
UP (↑) key or the DOWN (↓) key. To confirm and select the menu option press the ENTER
(↵) key.
Selecting the ‘EXIT’ option (blinking instead of pointed by cursor) will return you to MENU
1.
REAL TI ME DATA
RECT I F I ER DATA OTHER DATA
RESERVE DATA
OUTPUT DATA EXI T
Figure 14.4.1
Real Time Data Menu