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Hi, welcome to Just Answer. My name is ***** ***** I look forward to helping you! If you are hearing the click of the relay, the issue may be a faulty tirac on the board if you did not unplug the microwave before replacing the bulb. Was the microwave unplugged when you serviced the bulb?
A triac is an electronic component that allows voltage to flow one way or the other, depending on how it is triggered. If it was not unplugged, when you installed the new bulb, you likely damaged the board. You always have to unplug the appliance when replacing bulbs in these with the new electronic technology. You can verify by measuring voltage at the bulb sockets, but it would be very unlikely and very coincidental to have both range top light bulbs fail at the same time.
The hood light relay is RY5, showing a brown and white wire to the hood lights. The main control board is likely going to need to be replaced.
Sure, the relay may click. You can test the bulb sockets to see if they are getting voltage. If they are not, the board will need to be replaced.