We received a directive document*1 "Maintenance of Unit 1 Alarm Typer at TEPCO Fukushima Daiichi Nuclear Power Station (Direction)" from the Nuclear and Industrial Safety Agency (NISA) of the Ministry of Economy, Trade and Industry today.
In accordance with the direction received with sincerity, we will promptly investigate on the maintenance of Unit 1 Alarm Typer*2 at Fukushima Daiichi Nuclear Power Station and submit a summarized report to NISA.
*1 Directive document
"Maintenance of Unit 1 Alarm Typer at TEPCO Fukushima Daiichi Nuclear Power Station (Direction)" (August 22, 2012 NISA No.3)
*2 Alarm typer
Type of data output from the process calculator which indicates records of time of abnormality occurrence, responsive actions taken on the plant system side, etc. Basically the data is printed out and kept as record.
The aforementioned document is available only in Japanese. We apologize for the inconvenience this may cause.