Liebert 30-130kVA manual This is a summary event based on

Operation

Table 7	Alarms, functions, and corrective actions (continued)
Actual
Alarm/fault
Name
Displayed		Description	Fault
On Front		of Alarm/	Or	Latch	Dial	Freeze	Event Log
Panel		Fault	Alarm	Mask	Mask	Mask	Mask	Meaning and Corrective Action(s)
								This is a summary event based on the
								detection of at least one of these faults
								being active: Battery Overcharge; DC
								Overvoltage Steady State; DC Overvoltage
Rectifier Fail		Rectifier Fail	Fault	YES	YES	YES	YES	Transient; DC Undervoltage Steady State;
								Delta-Wye Current Imbalance; Rectifier
								Fuse Fail; Rectifier Drive 1 Fail; Rectifier
								Drive 2 Fail. All actions are controlled by the
								causal fault.
								This is a summary event based on the
								detection of at least one of the following;
Inverter Fail		Inverter Fail	Fault	YES	YES	YES	YES	IDC Peak; IGBT Drive Fail; Output
								Overvoltage Transfer; Output Undervoltage
								Transfer; Inverter DC Offset. All actions are
								controlled by the causal faults.
								An Equipment Over-temperature condition
		Overtemp						has persisted for more than 10 minutes.
Ovtemp time-								The load is transferred to the bypass line
		Time-out	Fault	YES	YES	NO	YES
out Sd								and the UPS module is shut down. Check
		Shutdown
								the air intake, air exhaust, and filters before
								attempting to start-up the UPS.
								A transfer to Static Bypass was
Transfer		Transfer Failed	Fault	YES	YES	YES	YES	unsuccessfully attempted and power to the
Failed Sd		Shutdown						load was lost. Attempt to restart the system.
								Contact Liebert Global Services.
								Indicates that the unit has transferred to
								SBS without the knowledge of the UPSC. It
Ctrl Fault		Controller fault						occurs when the UPSC’s Watchdog Fail
			Fault	YES	YES	NO	YES	line is automatically asserted during a
SBS on		SBS on
								UPSC reset. This is a permanent (latched)
								condition which requires service. Contact
								Liebert Global Services at once.
								At least one of the following alarm
								conditions is present: Inverter Fault,
								Rectifier Fuse Blown, Reverse Power, Over
		Hardware						load Shutdown, logic power supply failure,
Hardware Sd			Fault	YES	NO	NO	YES	or inverter output symmetry failure. The
		Shutdown
								load automatically transfers to the bypass
								line. The UPS module is shut down and
								isolated. Contact Liebert Global Services at
								once. Do not attempt to reset the UPS.
Opt pwr		Option Power						The Option Power Supply has failed.
			Fault	YES	YES	NO	YES	Remote Alarm Status panels may be
supply Fail		Supply Fail
								disabled. Contact Liebert Global Service.

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