TSI provides scheduled maintenance activity performed to prevent future breakdown of the transmitting system of broadcast facilities. TSI immediately responds to all system outages occurring within the network, with the main objective of restoring the service at the shortest time possible.

TSI service engineers and riggers are specialists in the maintenance of broadcast equipment. Servicing broadcast transmitter ranging from 100 watts to 120 kilowatts power output.

Service maintenance engineers are organised into clusters and strategically based in different parts of the country.