Scott S Deer Park , WA April 12, 2024 Waveguide cover had a hole melted in the middle of it Pulled the old cover off, and snapped in the new one. Couldn't figure out how to disengage the locking tabs on the old one, so ended up just breaking them off (they're not large or strong). Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes