Customer satisfaction is a high priority at AT Engine Controls and our quality control and customer support service reflects this. Built on over 40 years experience, qualified engineers provide a comprehensive service applying their knowledge and practical experience across the following areas:

• Inspection
• Functional Testing (individual to complete systems)
• Bench testing digital & analogue
• Automatic testing (in circuit and functional ATE)
• Environmental Testing
• Commissioning & setting to work
• Repair and Overhaul support for the DIGICON®/ SEQUEL® range of equipment currently installed in the oil & gas and power generation industries.

AT Engine Controls Ltd provide repair and overhaul support for the DIGICON®/ SEQUEL® range and associated fuel valves of AT Engine Controls Ltd’s policy is to ensure that long-term support for the hardware and software is available for the foreseeable future.


A T Engine Controls are qualified to perform continuing site service support for both onshore and offshore installations as AT Engine Controls Ltd have retained the experience that was formerly with HSDE/VTC.

AT Engine Controls provide the following services: Specification design & development Electrical engineering Electronic engineering Mechanical Engineering Build to Print Component obsolescence management Project management.

AT Engine Controls ensures the longevity of its DIGICON®/ SEQUEL®, Gnome and T-55 DECU markets by providing strong aftermarket capabilities, in terms of repairs, software upgrades and obsolescence management. A complete customer service is provided, comprising of: Customer support Manufacture Full Repair Software Upgrades Obsolescence management services