If you have the manual open, here is how to perform a basic capacitance test.
Common error codes (e.g., "1" on the display = overload/out of range). dm6013l manual
If you purchased the unit from a retailer like Mouser, Digikey, or even Amazon, check the product page. Retailers are legally required to provide documentation for electrical safety equipment and often keep PDF archives for years. If you have the manual open, here is
Whether you are an HVAC technician diagnosing a failed motor capacitor, an electronics hobbyist building a power supply, or a student learning component testing, keep this guide handy. And if you ever misplace your original booklet, remember that the principles above—discharge, zero, range, and read—are the heart of every DM6013L manual ever printed. If you have the manual open