Ray for Model Number Jvm1640bb 002 Changed the light bulbs under the microwave, now neither the lights or vent are working.
Answer Hello Ray. Check and make sure you did not knock a wire off the unit. If not, you may have a bad control board WB27X10257 and it will need to be replaced. Hope this helps. Read More... Answered by AppliancePartsPros.com | Friday, March 16, 2012