Three phase ups systems 5. lcd display – OnLine Power Battery Backup System User Manual
Page 48
OLP
Three Phase UPS Systems
5. LCD DISPLAY
5-4
The inverter should be shut off under a short circuit condition. Since the CPU will
detect a short circuit, and in order to avoid unnecessary tripping and damage to
the breaker, the static switch remains connected to the inverter (will not transfer
to reserve).
Listed below are all the warning conditions that can be displayed (arranged in
order of priority, starting with the highest priority):
1st row : BYPASS ON / RECT AC FAIL / RECTIFIER PHASE ERROR /
RESERVE FREQ. ERROR
2nd row : 170% OVERLOAD / 150% OVERLOAD / 125% OVERLOAD /
110% OVERLOAD
3rd row : BATTERY LOW STOP / BATTERY LOW / BATTERY BAD /
BATTERY GND FAULT / BATTERY TESTING
Lists below are all the fault conditions that can be displayed:
1st row : HIGH DC SHUTDOWN
2nd row: SHORT CIRCUIT! / FUSE/OVERHEAT / OVERLOAD
SHUTDOWN / EMERGENCY STOP / INVERTER ABNORMAL
3rd row : BYPASS ON SHUTDOWN
The UP (↑ ) or DOWN (↓ ) key has no function in this menu. The screen will
go back to MENU 1 – the SELECT menu, when ENTER (← ┘ ) is pressed.
5.4. Menu 3 – Real Time Data Menu
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