At Fukushima Daiichi Nuclear Power Station Unit 1, the investigation of the inside of the containment vessel by the robot was postponed due to a trouble on the 12th. I am.
TEPCO was planning to start investigating the inside of the containment vessel using a robot at Unit 1 of the Fukushima Daiichi Nuclear Power Plant on the 12th, but at the stage of preparatory work, data on the equipment that measures the radiation amount built into the robot. Was postponed due to some troubles such as not being displayed correctly.
According to TEPCO, we are investigating the detailed cause of the trouble, assuming that it occurred after the power was turned on not only the robot itself, but also the radiation level measuring device and the device that winds up the cable of the robot.
While there were no problems in the mock test at the factory in Ibaraki prefecture, when the robot was brought into Unit 1 on the 6th and 7th of this month, we did not check the operation with multiple devices turned on. about it.
According to TEPCO, the cause has not been identified at this stage, and there is no prospect of starting an investigation.