AEG PROTECT B. 750 Operating Instructions Manual page 43

is providing battery power to your equipment. On the
other hand, the LED indicator gives you a warning
which will flash every two seconds when the battery is
low.
9. LED: Bar chart LEDs showing UPS utilization.
The LED indicator and the load level indicator will
illuminate to show the load level; linearly subdivided in
25% steps.
10. LED: Bar chart LEDs showing battery capacity
(remaining standby time). The
battery level indicator will illuminate to show battery
level. Each LED indicator displays a 25% capacity
level.
11. PSDR FAIL: LED error display for corrupt inverter.
12. FAULT: Central error LED display, e.g. when UPS is
overloaded or encounters a short circuit on the output.
13. BAD BAT.:
discharged). The LED indicator will flash every two
seconds when the battery failes or if the battery is
disconnected. Please check your battery connection;
replace the battery or contact your local dealer for a
battery replacement kit.
14. OVERLOAD: LED for violation of overload time limit.
The LED indicator will light on when the UPS overload
timeout. (Information concerning the time limit is
available in chapter 3.4).
LED for battery problem
43
LED indicator and
(e.g.