"Electrical malfunction" refers to a problem or failure in the functioning of electrical equipment or systems. It can happen when something goes wrong with the electrical components, leading to a disruption in their normal operation. Full definition
A bad battery can cause all sorts of electrical malfunctions. (yourmechanic.com)
Isolate and repair electrical malfunctions in system wiring, sub-assemblies and other components using technical manuals, wiring schematics and drawings. (jobhero.com)
Successfully completed all schedule projects from lighting / receptacle installations to entire electrical distribution systems and performed emergency services to troubleshoot and repair electrical malfunctions. (resumemycareer.com)