power failure; mechanical breakdown
Refers to a failure or malfunction in a power system or machinery, often in technical or industrial contexts.
The elevator stopped due to a power failure.
We are investigating the cause of the power failure.
停電 is a general power outage, while 動力故障 specifically refers to a failure in a power system or machinery.
故障 is a general breakdown or malfunction, while 動力故障 specifies a failure related to power or motive force.
Compound of 動力 (power, motive force) and 故障 (breakdown, failure).