Service manual

Always On UPS Systems Inc
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
RECTI FI ER DATA OTHER DATA
RESERVE DATA
OUTPUT DATA EXI T
Figure 14.4.1
R
eal Time Data Menu Dis
p
la
y