- Test and troubleshoot instruments, components, and assemblies, using circuit testers, oscilloscopes, or voltmeters.
||Wind Turbine Service Technicians
- Troubleshoot or repair mechanical, hydraulic, or electrical malfunctions related to variable pitch systems, variable speed control systems, converter systems, or related components.
||Mobile Heavy Equipment Mechanics, Except Engines
- Diagnose faults or malfunctions to determine required repairs, using engine diagnostic equipment such as computerized test equipment and calibration devices.
- Troubleshoot equipment, electrical components, hydraulics, or other mechanical systems.
- Identify and correct malfunctions of geothermal plant equipment, electrical systems, instrumentation, or controls.
||Bus and Truck Mechanics and Diesel Engine Specialists
- Diagnose and repair vehicle heating and cooling systems.
- Diagnose problems with installed equipment.
||Stationary Engineers and Boiler Operators
- Analyze problems and take appropriate action to ensure continuous and reliable operation of equipment and systems.
||Maintenance and Repair Workers, General
- Diagnose mechanical problems and determine how to correct them, checking blueprints, repair manuals, or parts catalogs, as necessary.
||Automotive Service Technicians and Mechanics
- Troubleshoot fuel, ignition, and emissions control systems, using electronic testing equipment.
||Librarians and Media Collections Specialists
- Troubleshoot problems with audio-visual equipment.
||Aircraft Mechanics and Service Technicians
- Accompany aircraft on flights to make in-flight adjustments and corrections.
||Telecommunications Equipment Installers and Repairers, Except Line Installers
- Diagnose and correct problems from remote locations, using special switchboards to find the sources of problems.