Vertiv™ Liebert® Power Module Assembly - Vertiv Liebert EXM User Manual

3.7 Vertiv™ Liebert® Power Module Assembly
Figure 3.6 Liebert® Power Module Assembly Indicators and Controls
Item Description
1 Ready switch
2 DIP switches
3 Run LED
• The BATTERY START button allows starting the UPS on the battery.
• The Run LED is illuminated green when the Liebert® Power Module Assembly is operating normally.
• The Fault LED will illuminate red when the Liebert® Power Module Assembly has a problem.
Table 3.2 LED Indications
LED Status
Run LED (green)
Flashing green
Constant green
OFF
Fault LED (red)
Constant red
Flashing red
OFF
3 Installation
Indication
The inverter is starting, but has no output yet.
The inverter has started to supply power.
The inverter has not started.
Auxiliary power failure (15 V or 24 V), rectifier overtemperature, rectifier failure (including battery SCR short circuit), battery
converter failure, soft start failure, main circuit back feed, abnormal input current, inverter failure, output short circuit, bypass SCR
short circuit fault, inverter relay short circuit fault, abnormal bus voltage, module not ready, module ID out of range and duplicated
module ID.
Charger failure, abnormal main circuit voltage, abnormal main circuit frequency, main circuit undervoltage, main circuit reverse
phase, battery unavailable, reverse battery, input zero loss, current sharing failure, module overload, inverter relay disconnection
fault, bypass SCR disconnection fault and input fuse blown.
No above failures or alarms.
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Item Description
4 Fault LED
5 Battery start button
Vertiv™ Liebert® EXM User Manual
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