Sydney T Roswell , GA October 02, 2017 Appliance: General Electric Microwave JNM1541DM5BB Ge Microwave Jnm1541dm5bb: Apartment microwave was missing turntable coupler. How to replace Microwave Turntable Coupler. Quick and easy fix, I just inserted it into the rotate motor and it was fixed! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes