Case Study

 Case Study # 138 | Powerware 9315 Repair (End of Life)

Mar 10, 2020 | Case Study


Nationwide Power™ is the leading provider in the critical power supply industry. Our core business is the sales and service of uninterruptible power supplies and UPS batteries, along with supporting other critical power components such as emergency generators, switch gear, and HVAC. We publish critical power related case studies, highlighting best practices and quality standards.

In this case study, we highlight a service call for a Powerware 9315 that has reached its end of life, per the OEM. As the Powerware 9315 is no longer in production and deemed obsolete, very few UPS service providers have the ability to continue support.

Nationwide Power houses over $10 million in equipment and parts inventory. Combined with a state-of-the-art testing and repair lab, Nationwide Power is equipped to service a wide variety of UPS units that have passed their OEM stated end of life, including the Powerware 9315.

Product Powerware 9315 UPS (end of life)
Application Regional Hospital

Nationwide Power was on site for a regularly scheduled UPS preventive maintenance (PM) call. Upon restarting the Powerware 9315 after the major PM from maintenance bypass, the bypass contactor began chattering open and closed while applying bypass input.

After standard troubleshooting, it was confirmed that the following parts required replacement due to age:

  • 3-phase relay for K5
  • Bypass control board
  • Aux switch for K5

These parts were ordered through the Nationwide Power Corporate Warehouse on a Friday and arrived on site on Monday.

The Critical Power Professional™ arrived back on site to install the parts, and the Powerware 9315 UPS unit was placed back in service as fully functioning.

Preliminary Actions Once the parts needed to service the Powerware 9315 were identified, those parts were immediately shipped to the site, which arrived the next business day. This was only possible due to Nationwide Power’s expansive stock of parts inventory for all major UPS makes and models, including obsolete equipment.

Per the OEM, the Powerware 9315 has reached end of life. Many service providers would recommend a full equipment replacement, due to not having access to parts inventory to resolve issues on obsolete units. However, Nationwide Power was able to assist the customer and further extend their unit’s end of life.

Note: Nationwide Power customers have the option of selecting a full-service contract where all emergency calls and time & material rates are covered under the annual contract price.

When customers hire Nationwide Power for preventive maintenance checks without a full-service contract, all time & material rates and/or emergency calls are billed separately.

Full-service contracts have many benefits to the customer, including priority service, expedited order processing and shipping, and guaranteed parts inventory.

On obsolete equipment, securing a full-service contract becomes increasingly more important. Nationwide Power is diligent in ensuring that all units under contract have the ability to be reasonably serviced. By electing a full-service contract, customers have a sense of security knowing that there is ample parts inventory to service their unit as long as the contract is in place. Priority service is given to customers under full-service contracts.

Not only does a full-service contract provide an extra level of security and comfort for the customer, it is often more cost effective as well. In this example, the itemized preventive maintenance appointments and time & material rates for the above repairs would equate to roughly two years of a full-service contract.

Root Cause As UPS units age, various parts require replacement or maintenance over time. The items mentioned in this case study required replacement due to normal use over time.
Additional Reading Case Study #136: Emergency Service on MGE EPS 6000 UPS


Nationwide Power provides 24/7/365 technical support to ensure that everything operates and transitions successfully before, during, and after any power outage.

Request a quote Call | 800-868-2780 E-Mail

We are your critical power infrastructure partner!

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February 23, 2021

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