Case Studies

Case Study #109 | EPO Activated

Case Study #109 | EPO Activated

Case Study Product Liebert NX 30kVA Application IT Data Room Synopsis The client had a power outage, and the load was protected and switched to the generator. However, after the power was restored, the UPS would not come back online from bypass. Preliminary Actions...

Case Study #108 | “Maintenance-Free” Batteries

Case Study #108 | “Maintenance-Free” Batteries

Case Study Product “Maintenance-Free” VRLA Batteries Application Business Electrical Room Synopsis Customer had called for a trouble-shoot and possible shut-down of the UPS Preliminary Actions The Nationwide Power engineer was on-site to trouble-shoot a UPS unit that...

Case Study #107 | Rotation Alarm

Case Study #107 | Rotation Alarm

Case Study Product Eaton 9315 225kVA Application Restart Synopsis Alarms being generated: – “Phase Rotation” – “Bypass Over Voltage” – “UPS OFF” UPS is in bypass and will not return online. Preliminary Actions The technician found the rotation was correct and the “UPS...

Case Study #106 | Thermal Runaway

Case Study #106 | Thermal Runaway

Case Study Product VRLA Batteries Application Medical Facility Data Center Synopsis Some maintenance-free, rechargeable sealed Valve Regulated Lead Acid (VRLA) UPS batteries can experience Thermal Runaway conditions. Higher ambient temperatures, high charge/re-charge...

Case Study #105 | Malfunctioning Communications Board

Case Study #105 | Malfunctioning Communications Board

Case Study Product APC Silcon 30kVA Application Medical Facility Data Center Synopsis Customer had scheduled a shut down of the UPS to replace 128 batteries. After the battery replacement, the UPS would not come back up without an alarm. The alarm was: lost...

Case Study #104 | Intermittent Alarm

Case Study #104 | Intermittent Alarm

Case Study Product Eaton Powerware 9330 20kVA Application Banking Facility Data Center Synopsis Customer stating that UPS is going in and out of alarm intermittently Preliminary Actions Nationwide Power Engineer onsite to trouble shoot the UPS for intermittent alarms....

Case Study #103 | Bad Battery Module

Case Study #103 | Bad Battery Module

Case Study Product APC Symmetra PX 80kVA Application Medical Facility Data Center Synopsis Customer received a bad battery module notification. A replacement module was ordered over the internet and installed. Battery alarm did not clear with the replacement module....

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May 09, 2019

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