News Article

How important is it to have regular UPS Maintenance performed?

Mar 21, 2017 | Industry

UPS Systems are complex pieces of highly technical electronic equipment and need regular preventive maintenance (PM). The maintenance intervals can vary from one to four PM inspections per year or in some cases, even monthly.

The top main causes for UPS equipment failure are:

  • Batteries – the main component of any UPS. Batteries require at least an annual inspection and maintenance regardless of their age or warranty status.
  • Capacitors – electrical devices that stores and releases electrical energy. Similar to batteries, capacitors will degrade over time.
  • Fans – some run on their own electrical or mechanical restrictions.

Why is it important to your business?

Regular preventive maintenance is the single most cost-effective method to optimize the life expectancy and performance of UPS equipment. It is just as important in choosing the right maintenance company to oversee the ongoing condition of the UPS equipment and components. Look for a well-qualified and trained service company with a well-documented track record and reputation and one that specializes in servicing UPS equipment and components. Clearly define the maintenance tasks to be completed by trained and experienced UPS Field Service Engineer.

Regular serviced and managed UPS maintenance will:

  • Maximize Uptime
  • Reduce outages and accidents
  • Improve energy efficiency
  • Decrease operating costs
  • Prolong the life of the UPSs
  • Avoid common risks

Recommended Preventive Maintenance for UPS Components*

Batteries Standby use: Inspect semi-annually
Replace VRLA batteries every 3 to 5 years
Replace wet cell batteries as needed
Cycle use: 1200 cycles at 30% of discharge
550 cycles at 50% of discharge
250 cycles at 100% of discharge
Capacitors Inspect annually
Replace every 5 to 7 years
Fans Verify annually
Replace every 7 years
Air Filters Inspect monthly
Replace as needed
Lug Terminals For all mechanical power lugs, have an annual visual and thermal inspection

*Every UPS contains high-wear consumable components that must be replaced according to the manufacturer’s specifications.

A UPS system has many electrical and mechanical components. It’s important your critical equipment should be serviced regularly and maintained by a skilled and trained technician. Regular preventive maintenance practices reduce the risk of downtime, outages and accidents.

When was the last time your UPS system was serviced and maintained? If it’s been more than 12 months, then it’s time to have your UPS inspected.

Need Preventive Maintenance?

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