Case Studies

Case Study #116 | CS – NXL Battery DCUV

Case Study #116 | CS – NXL Battery DCUV

Case Study Product Liebert NXL Series UPS Application Healthcare / Datacenter Synopsis Client found the alarms / condition of unit as: UPS in bypass, Battery breaker 1 open, Low battery shutdown, Rectifier fault. Customer had a blip to the load and lost some of the...

Case Study #115 | AP600 Fire Panel EPO

Case Study #115 | AP600 Fire Panel EPO

Case Study Product Liebert AP600 Series UPS Application Healthcare Synopsis Customer called in with a report of the UPS being down and tripped off-line. Maintenance Bypass operation had taken place prior to arrival. Possible damage to equipment. Preliminary Actions...

Case Study #114 | Maintenance Bypass Mis-Operation

Case Study #114 | Maintenance Bypass Mis-Operation

Case Study Product APC Silcon 60kVA Maintenance Bypass Application Healthcare Synopsis Customer called in with a report of the UPS being in Bypass. Additionally reported that some circuits had gone out and it tripped the UPS unit to Bypass mode with an Internal...

Case Study #113 | Failed Inductor

Case Study #113 | Failed Inductor

Case Study Product Powerware 9315 80kVA Application IT – Datacenter Synopsis During regular preventive maintenance, found the input currents to be imbalanced as opposed to being balanced on previous preventive maintenance visit. Preliminary Actions In performing...

Case Study #112 | Non-Functional Fans

Case Study #112 | Non-Functional Fans

Case Study Product Liebert Nfinity 12kVA Maintenance Bypass Panel Application IT Data Room Synopsis Unit fans were non-functional. Smoke was reportedly seen emanating from an outlet receptacle. Preliminary Actions The Maintenance Bypass receptacle needed to be...

Case Study #111 | Load Loss Prevented Maintenance

Case Study #111 | Load Loss Prevented Maintenance

Case Study Product Liebert NPower 130 kVA Application Hospital Data Operations and Phone Center Synopsis Load loss prevented during a complete power capacitor and fan replacement. Preliminary Actions The critical load in this case was transferred to the existing...

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...

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November 30, 2018

"Tobias was very professional. I felt comfortable leaving him unattended in our server room while he did the Preventive Maintenance."

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