V-Drums is a variety of electronic drums, drum brain modules, and related electronic percussion product manufactured and trademarked by Roland Corporation. The primary V-Drums products are complete electronic drum kits. Each V-Drums kit is composed of the following: Triggers which serve as an electronic alternative for acoustic drums, acoustic cymbals, and other acoustic percussion instruments. A module, the central processing unit to which all triggers connect. And a stand, upon which the triggers and module are mounted via clamps.
Enter the Roland TD-15 drum sound module. This kit features Roland’s acclaimed SuperNATURAL sound engine for sounds that are so real you’ll have to look twice. This is the same technology found in their top-of-the-line kits. It’s a powerful-yet-affordable module for the live stage and recording studio.
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To restoring the Roland TD-15 Drum Sound Module to it’s factory settings, first press the MENU button, press the (∨) cursor button to scroll the screen until the SYSTEM icon appears and then press the F3 button. Select “Factory Reset” by using the (∧∨) cursor buttons and then press the F3 button. Use the value dial to select the type of data that you want to reset (ALL KITS, SYSTEM, or ALL DATA), and press the F3 button. When a confirmation message appears, press the F3. Once again, a confirmation message will appear. Please, press the F3 button again to confirm and to start the Factory Reset operation. The Factory Reset procedure is complete.
Note: This operation cannot be executed if “Write Protect” is ON. Follow the procedure below to turn off the Write Protect.
Press the MENU button, Press the (∨) cursor button to scroll the screen until the SYSTEM icon appears and then press the F3 button. Select “Option” by using the (∧∨) cursor buttons and then press the F3 button. Select “Write Protect” and use the value dial to change the value.
Warning! When you execute “Factory Reset”, all data and settings in the TD will be lost. Be sure you want to erase the memory and return the TD-15KV to its factory default state before continuing with this procedure. This procedure also applies to the TD-11, TD-11K, TD-11KV, TD-15, TD-15K, TD-15KV drum module units. Hopefully the article of “Reset a Roland TD-15KV Drum Sound Module” can help you.
Reference: Roland TD-15 manual