Coolant system stopped at reactor 4 again, back-up turned on




Tepco reported an alarm sounded for secondary cooling water pump at 20:00 6/4/2012, the pump automatically stopped.
They found burn marks on the terminal of the pump’s cable to the motor. The reason is not verified yet.
Back-up pump was turned on 25 minutes later. They report the temperature of SFP4 did not increase significantly.

福島第1原発4号機プールでポンプ停止 温度に変化なし
2012.6.5 11:48



Categories: Spent Fuel Pools

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