发生故障用英语怎么说？

发生故障

例句

• She put diesel fuel, instead of petrol, into the tank causing the motor to seize up. 她往油箱里加了些柴油而不是汽油，致使发动机发生故障。
• They are trying to repair a breakdown in the refrigerating system. 他们正在全力失修发生故障的冷却系统.
• But something was malfunctioning in the equipment due to human error. 但由于人为的错误,设备发生故障了.
• Results have been delayed owing to a malfunction in the computer. 由于电脑发生故障,计算结果推迟了.