Make sure that there is power getting to the unit. Garbage disposals have an independent cord that is plugged into a wall socket beneath the sink. Unplug the disposal unit and plug another small appliance, like a desk fan, into the wall socket. Turn the appliance on to see if it works. If it doesn't work, check the breaker panel. If the breaker is flipped to the "On" position, there is an electrical problem on that circuit, and an electrician must be called in.
I bought this two years ago when planning a kitchen remodel for our retirement home. Since I was doing the remodel myself, it took two years, working part time. During that period I managed to lose the instructions for this air switch. Thank you for providing them. Now I can install it on the front of my Ikea kitchen sink cabinet. When/if I ever am in a wheelchair or walker, I will still be able to easily reach the disposal switch. WARNING: If you have a toddler, mount this where they can't easily reach it and send a matchbox car down your sink disposal in an imaginary carwash.
InSinkErator is a brand name that is well-known for their design and manufacturing of waste disposal systems and instant hot water dispensers. John Hammes founded the company in 1927 in Racine, Wisconsin, where their headquarters remain today. Hammes is credited with designing and producing the first “in sink” waste disposal system, and the InSinkErator is a play on the word “incinerator”. Currently, InSinkErator produces and markets garbage disposal systems under the Evolution and Badger Series brand names.