119

Maintenance

Table 57 UPS status messages (continued)

	Event Message	Description / Suggested Action (if any)

	DC Bus Abnormal	Shut off inverter due to abnormal DC bus voltage.
	DC Bus Abnormal	Contact Liebert Services at 800-543-2378 for assistance.
		Contact Liebert Services at 800-543-2378 for assistance.
	System Transfer	The whole paralleled UPS system transferred to bypass at the same time. This message will
	System Transfer	appear on the UPS which passive transfer to bypass.
		appear on the UPS which passive transfer to bypass.
		Rectifier, inverter and battery converter were shutdown because DC bus voltage is too high.
	DC Bus Overvoltage	Check whether there is a fault in rectifier side. If no, then check whether overload occurs.
	DC Bus Overvoltage	Restart the inverter after resetting the fault. If fault does not clear, contact Liebert Services at 800-

		543-2378 for assistance.
	LBS Active	The LBS setting is active. The UPS is acting as an LBS master or slave in a dual bus
	LBS Active	configuration.
		configuration.
	Battery ground fault	Battery ground fault from dry contact signal. Contact Liebert Services at 800-543-2378 for
	Battery ground fault	assistance.
		assistance.
	Inverter turned On	Manual Turn On via front panel
	manually	Manual Turn On via front panel
	manually
	Inverter turned Off	Manual Turn Off via front panel
	manually	Manual Turn Off via front panel
	manually
	EPO	Emergency Power Off
	Transfer Confirm	Interrupted Transfer Confirm

	Transfer Cancel	Interrupted Transfer is cancel

	Unit Off Confirm	Unit Turned Off Confirm
	System Off Confirm	System Turned Off Confirm

	Fault Reset	Fault Reset

	Alarm Silence	Alarm Silence
	Turn On Fail	Turn On Fail

	Alarm Reset	Audible Alarm Reset

	Bypass Mode	UPS in Bypass Mode
	Normal Mode	UPS in Normal Mode

	Battery Mode	UPS in Battery Mode

	Output Disabled	UPS Output Disabled
	Maint. Disconnect Closed	Maintenance Disconnect Closed

	Reserved

	Output Disconnect Open	Output Disconnect Open
	Battery Reverse	Connect the battery again and check the wiring of batteries.

	No Battery	Check the battery and the wiring of batteries.

	Auto start	After UPS was shutdown at EOD, inverter auto starts when utility is restored.
	BCB closed	BCB closed from dry contact signal.

	BCB open	BCB open from dry contact signal.

	Battery Float Charging	Battery is float charging.
	Battery Boost Charging	Battery is boost charging.

	Battery Discharging	Battery is discharging.

	Battery Period Testing	Battery is period self-testing.
	Batt. Capacity Testing	Battery is capacity self-testing.

	Batt. Maint. Testing	Battery is maintenance self-testing.

	Inverter in Setting	Inverter is in parameter setting.
	Rectifier in Setting	Rectifier is in parameter setting.

	Batt. Converter Fault	Battery converter output voltage beyond limits or battery fuse failed. Battery converter shuts
	Batt. Converter Fault	down. Battery backup not available.
		down. Battery backup not available.
	Operation Invalid	This record is registered following an incorrect operation.

119 115-600V, 115-208, 115-120, 115-50/60HZ, 115-480 specifications

The Emerson 15-90KVA series is a robust and versatile power solution designed for various applications including commercial, industrial, and data center operations. Operating at voltage ranging from 115 to 480 volts, and supporting frequencies of either 50 or 60 Hz, this series is engineered to meet diverse power requirements.

One of the standout features of the Emerson 15-90KVA is its exceptional reliability and performance under varying load conditions. This power system incorporates cutting-edge technologies that enhance operational efficiency while minimizing downtime. The robust design of the system enables it to maintain optimal performance even in harsh environmental conditions, providing power continuity and safeguarding critical operations.

The Emerson 15-90KVA is equipped with advanced protection mechanisms that ensure the safety of connected equipment. These include overload protection, short-circuit protection, and thermal protection systems, which work together to prevent potential damage from power surges or faults. Moreover, the unit features a user-friendly interface that facilitates easy monitoring and control, enabling operators to track performance metrics and manage power supply effectively.

Another significant characteristic of this power series is its modular design, allowing for scalability and flexibility. Users can easily add or remove capacity based on changing power demands without the need for extensive system overhauls. This scalability makes the Emerson 15-90KVA ideal for growing businesses that require adaptable power solutions.

Energy efficiency is a focal point for the Emerson power series. Utilizing advanced power electronics and intelligent control algorithms, the system minimizes energy losses, ensuring that more power is available for direct usage. This not only reduces operational costs but also aligns with growing sustainability initiatives by lowering the overall carbon footprint.

In summary, the Emerson 15-90KVA series is a high-performance power solution characterized by its reliability, advanced protection features, modular scalability, and energy efficiency. Its versatility across multiple voltage levels and frequency options makes it suitable for a wide range of applications, solidifying its position as a preferred choice in the industry. Whether for industrial facilities, data centers, or commercial spaces, the Emerson 15-90KVA is designed to meet and exceed power demands effectively and efficiently.

Emerson 115-50/60HZ, 115-120, 15-90KVA, 115-208, 115-600V, 115-480 user manual 119

Models: 115-600V 115-208 115-120 115-50/60HZ 115-480 15-90KVA

Table 57 UPS status messages (continued)

Event Message

Contact Liebert Services at 800-543-2378 for assistance.

115-600V, 115-208, 115-120, 115-50/60HZ, 115-480 specifications