UPS Maintenance –
Keep Your Critical Power Running

Carter Sullivan provides planned UPS maintenance agreements for commercial and industrial sites across the UK. With over 20 years in critical power, our NICEIC accredited engineers deliver tailored service plans to keep your power running all year round.

Rated 4.8 stars on Google

Why UPS Maintenance Matters

A UPS is not a “fit-and-forget” asset. Without proper maintenance, even the best equipment can degrade, leading to:

  • Battery failure – the most common cause of UPS downtime
  • Inverter or rectifier issues, reducing system efficiency
  • Missed alarms or untested bypass systems
  • Unexpected load drops during an outage

Regular service ensures your system is safe, compliant and fully functional in the event of a power loss.

Why it's critical

Regular UPS maintenance not only keeps your system operating at peak performance but also extends its lifespan. By proactively servicing batteries, components, and overall system health, you minimise downtime, prevent costly repairs, and ensure your UPS reliably protects your operations for years to come.

How it works

Our UPS Maintenance Agreement ensures your system stays reliable and efficient year-round. Experts carry out regular checks, servicing batteries and components, and addressing any issues proactively. This keeps your UPS operating at peak performance, extends its lifespan, and prevents costly downtime—giving you complete peace of mind.

What we maintain

Our UPS Maintenance Agreement covers everything your system needs to stay reliable and efficient. This includes battery checks, component servicing, firmware updates, and proactive issue resolution—ensuring your UPS operates at peak performance and continues protecting your equipment and operations.

Regular UPS maintenance not only keeps your system operating at peak performance but also extends its lifespan. By proactively servicing batteries, components, and overall system health, you minimise downtime, prevent costly repairs, and ensure your UPS reliably protects your operations for years to come.

Our UPS Maintenance Agreement ensures your system stays reliable and efficient year-round. Experts carry out regular checks, servicing batteries and components, and addressing any issues proactively. This keeps your UPS operating at peak performance, extends its lifespan, and prevents costly downtime—giving you complete peace of mind.

Our UPS Maintenance Agreement covers everything your system needs to stay reliable and efficient. This includes battery checks, component servicing, firmware updates, and proactive issue resolution—ensuring your UPS operates at peak performance and continues protecting your equipment and operations.

Bespoke Design

Bespoke UPS designs to deliver perfectly tailored systems for any scenrio.

20 Years Experience

Over 20 years’ experience ensures trusted, proven, and dependable results.

Trusted Partner

Recognised as a trusted partner, chosen by leading manufacturers worldwide.
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Les Ambassadeurs Club –
Data Centre Project
Challenge

The Les Ambassadeurs site at Hamilton Place, protected by English Heritage, brought unique challenges. The proposed data centre space was extremely limited, accommodating just four server racks of up to 15kW each, with the client also requiring chilled water and DX cooling for full redundancy.

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Les Ambassadeurs Club –
Data Centre Project
Solution

Completed in 12 weeks, the project included raised flooring, cooling systems, server racks, N+N power distribution, and 93PM 50kW UPS units. Carter Sullivan coordinated structured cabling and fire suppression while managing deliveries and design within strict English Heritage and space constraints.

2 / 3

Les Ambassadeurs Club –
Data Centre Project
Highlights

The Les Ambassadeurs data centre was completed on time and on budget, leaving both Eaton and the casino extremely satisfied. Despite the challenges, it was an enjoyable and memorable project.

3 / 3
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UPS Installation

UPS installation ensures reliable power power protection and long-term system performance.

UPS Hire

Short-term UPS hire provides flexible, reliable power without long-term commitment.

UPS Subscription

UPS subscription provides reliable power and maintenance with affordable monthly costs.

Advice from the team

Regular UPS maintenance is essential to keep your system running reliably and efficiently. Every installation has unique requirements, from battery health and component wear to environmental conditions and usage patterns.

A tailored maintenance plan ensures that all parts of your UPS are checked, serviced, and optimised. This proactive approach not only prevents unexpected downtime but also extends the lifespan of your system, keeping it operating at peak performance and giving you complete peace of mind.

Wider power protection solutions

Generators

Generators provide reliable long-term power during extended outages or failures.

Learn more

Batteries

Batteries ensure clean, uninterrupted power to protect data and equipment.

Learn more

““We are continually impressed by the service levels delivered by Carter Sullivan. The attention to detail and technical expertise of their engineers and management team provides us with a first class service. This commitment has ensured a continued and successful relationship.””

Eaton


FAQs

What does a maintenance agreement cover?
A typical agreement includes battery checks, component servicing, firmware updates, performance testing, and proactive issue resolution to keep your system fully operational.
How often should UPS maintenance be carried out?
Maintenance frequency depends on system type and usage, but most systems benefit from at least one to two scheduled visits per year, with additional checks as needed.
Will maintenance cause downtime?
No. Our technicians plan visits carefully to minimise disruption, and most checks and servicing can be done without interrupting your operations.
Can maintenance extend the life of my UPS?
Yes. Proactive maintenance keeps all components healthy, helping your UPS last longer and operate more efficiently.
Can maintenance detect problems before they cause failures?
Absolutely. Regular inspections and testing identify potential issues early, reducing the risk of costly downtime or damage.

Get in touch

Get in touch today for a free consultation to discuss your project requirements.

Get in touch