TEPCO believes a faulty pressure gauge may be behind higher readings . Problems in Unit 2 at the power plant have been steadily rising . What happens if the temperature gauge is correct and the reactor is heating up ? The plant was reported to be in ` ` cold shutdown '' on December 16 . Earthquake and tsunami caused nuclear chaos in Japan last March .
TEPCO believes a faulty pressure gauge may be behind higher readings . Problems in Unit 2 at the power plant have been steadily rising . The plant was reported to be in ` ` cold shutdown '' on December 16 . Earthquake and tsunami caused nuclear chaos in Japan last March .