Manual for DPA 250 S4

Brand: ABB

Category: Power Supplies

Document Type: Manual

Language: EN

Uploaded: April 20, 2026, 7:49 p.m.

Manual Publish Date: 2018-12-11

Warranty Information

Refer to warranty documentation for specific warranty terms and conditions.

The DPA 250 S4 UPS system provides a continuous and high-quality power supply for sensitive equipment. It operates in double conversion mode (VFI-SS-111) and can be configured with up to six 50kW modules in a single frame. The system supports standalone or parallel configurations to increase power capacity up to 1500kW. Various operating modes are available, including Double Conversion, Xtra-VFI, Bypass, and Battery modes. The system is designed for ease of use with a central graphical display and local control panels on each module. It offers features like remote monitoring, alarm handling, and automatic redundancy to ensure maximum uptime and reliability.

Troubleshooting and error codes

Trouble	Possible Cause	Remedy
UPS not starting	No AC input power	Check AC input connection and voltage.
	Battery low	Check battery status and charge.
	Internal fault	Contact service personnel.
Overload alarm	Load exceeds UPS capacity	Reduce the load or add more UPS modules.
	Faulty load	Check and remove faulty load.
Battery test failure	Old or faulty batteries	Replace batteries.
	Incorrect battery configuration	Verify battery settings.
Communication error	Network cable issue	Check network cable connection.
	SNMP card fault	Reinstall or replace SNMP card.