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3. DISPLAYS AND ALARMS
1. Load level and battery capacity is represented by 5 LEDs on the upper half of control panel (the 6th LED means FAULT).
(A). When the UPS is in the On-Line mode, the 5 LEDs represent load level. They denote 0%~35%, 35%~55%, 55%~75%,
75%~95% and 95%~105% (from buttom to top) of maximum load capacity. If the load amount reaches 105%~130%, the UPS
is in overload such that the 6 LEDs would illuminate simultaneously. The UPS will then switch to BYPASS mode10 seconds
later. In addition, if the load is over 130%, the UPS will switch to BYPASS immediately.
Figure 3.1-1 Inverter Mode
Figure 3.1-2 Bypass Mode
(B). During an AC line power failure, these 5 LEDs represent the remaining battery capacity. The LED’s will extinguish by the
sequence from bottom to top as the battery voltage level decreases.
Figure 3.1-3 Battery Mode
2. An alarm will sound continuously during inverter short-circuiting or an output overvoltage condition.
Figure 3.2-1 Line Mode
Figure 3.2-2 Battery Mode
3. An alarm will sound continuously during a bus overvoltage condition.
Figure 3.3-1 Line Mode Figure 3.3-2 Battery Mode