Earlier, one of the two cooling pump modules was automatically shut down because of some technical error on the International Space Station (ISS). The NASA officials said that their team was on its mission to investigate serious problem regarding stop of the cooling pump, when it reached pre-set temperature levels.

It has been revealed by NASA officials that the shutdown of the pump module did not caused any harm to any of the six crewmen on board. The NASA officials said: "The flight control teams worked to get cooling loop back up and running and they suspect a flow control valve actually inside the pump itself might not be functioning correctly".

The NASA officials added that the ISS was partially shut down because of one of its cooling pumps, which could have caused potentially serious problem. They said this could once again turn America to seek help from Russia.

Kelly Humphries, Johnson Space Center spokesman, said that it was not an emergency, but it could be a serious problem. Researchers said that some non-critical equipment aboard the massive orbital outpost was powered down. They said that it was good luck for the crew members that all were out of danger.

Bob Jacobs, NASA spokesman, said their team of engineers suspected an inside valve was faulty and ground controllers moved electrical power supplies to the other cooling loop.