From Longman Dictionary of Contemporary Englishin running orderin running orderWORKING/NOT BROKENa machine that is in running order is working correctly → running
Examples from the Corpus
in running order• Keep the battery fully charged and the engine in running order.• Two isn't multiplicity and Castelfonte never was in running order, and now they were living in hotels.• A nightly news programme, involving late inclusions and enforced changes in running order, is bound to be frenetic. 