Malfunction
Out Of Order
noun, verbal noun
By some circumstance, the thing you're using is hindering you. Usually it works, but now it's out of order and has a malfunction.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
パソコンの故障で仕事ができない。
I can't work because of my computer malfunction.
あのファックス機は故障中だよ。
That fax machine is out of order.
コウイチが百万ドルをかけて制作したワニカニロボットは、起動してから十秒で故障してしまいました。
The WaniKani robot that Koichi spent a million dollars to create, malfunctioned within ten seconds of starting up.