What does it mean when Fault and Bypass indicators and diagnostic LED A & C are illuminated on Liebert UPS?
When the Fault and Bypass indicators and diagnostic LED A & C are illuminated on your Liebert UPS, it means the UPS failed the battery test and the batteries should be replaced.
General| Battery Type | Sealed Lead-Acid (SLA) |
|---|---|
| Topology | Double Conversion Online |
| Frequency | 50/60 Hz |
| Display | LCD |
| Form Factor | Tower/Rackmount |
| Output Voltage | 120V, 208V, 230V, 240V |
| Input Voltage | 120V, 208V, 230V, 240V |
| Communication Interface | RS-232, USB |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Operating Humidity | 0% to 95% (non-condensing) |
| Dimensions | Varies by model |
| Weight | Varies by model |
Covers essential safety warnings and guidelines for product installation and operation.
Step-by-step guide for installing the UPS in a tower configuration.
Procedures for converting and installing the UPS in a rack-mount configuration.
Details how the UPS functions during standard utility power conditions.
Explains operation during utility failure and the battery recharge process.
Provides detailed, step-by-step instructions for replacing UPS batteries.
Lists specific audible alarms and their corresponding conditions and meanings.
Provides guidance on identifying and resolving common UPS problems and error indicators.
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