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1520 SIGNAL/Service and Maintenance/About


The company 1520 Signal consistently expands the network of service centers in Russia and beyond to provide a high level of maintenance of the supplied systems. The maintenance of the computer-based interlocking systems is carried out during the entire operating lifespan.The service is available 7 days a week (24/7) and can be provided by the regional service centers on the territory of the Russian Federation located in Moscow, Rostov-on-Don, Saratov, Ekaterinburg, Chelyabinsk, Novosibirsk, Krasnoyarsk, Irkutsk, Khabarovsk and Chita. Moreover, there are service centers of 1520 Signal in Baku (Azerbaijan), Nur-Sultan (Kazakhstan), Karshi (Uzbekistan) and Ulaanbaatar (Mongolia). It allows providing engineering support to the railway operational staff at all the stations and sections equipped with our computer-based systems.


Hotline phone number

The specialists of the service centers are highly qualified engineers who constantly attend upgrade training courses in the company headquarters to maintain CBI and other systems supplied by 1520 Signal. They perform the whole range of maintenance works for our computer-based systems and carry out corrective maintenance if there are any failures in the system operation and if the operating staff is not able to eliminate them.

1520 Signal Ltd. gives a 3-year warranty for all the equipment supplied by the company. During the warranty period, the company undertakes to replace all the failed equipment free of charge unless the failures have arisen due to bad operation conditions.


Together with our customers we maintain our products and provide the highest level of reliability and serviceability of our systems. Depending on the requirements of our customer we will find the optimal package of services that may vary from remote technical support by phone up to the constant presence of our service engineer on the customer’s site.

1520 Signal has developed and supplies a multi-level maintenance system that takes into consideration the customers’ interests, the maintenance capabilities of the company and the required level of operational capability of the computer-based equipment. When signing a maintenance contract, the customer can choose one of the several levels of technical support that are offered by 1520 Signal:

Level 1

Technical support 8/5: on weekdays from 9.00 to 18.00 Moscow time

Level 2

Technical support 24/7: round-the-clock technical support 7 days a week

Level 3

Technical support 24/7 and  routine maintenance

Level 4

Technical support 24/7, routine and emergency response and remedial maintenance


Covers preventative maintenance, analysis of the system operation, giving recommendations on the equipment operation and on operational staff training.


Covers equipment repair, an obligation to arrive at the site to carry out corrective maintenance and unscheduled on-site visits to investigate the failures in the system operation.