Fred S Salt Lake City , UT November 04, 2015 Appliance: Gaggenau ED220-630 Error code f24 Basically have rebuilt the electronic portion of this fine appliance. this entailed removal of the oven then disassembly to remove circuit boards. very helpful to take pictures of the process as you go so you get the wires back to the right place. Read More... Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes Tools: Nut Drivers