I often thought it has something to do with the batteries of the remote but I’m not sure. And it’s applicable to most remotes too—TV, airconditioning, toys I had when I was a kid, etc.
In: Technology
The technique of fixing faulty electronics with a precise smack is known in the trade as an engineer’s knock or percussive maintenance.
In a remote is it most likely that corrosion on the battery terminal is preventing a good connection and the engineer’s knock shifts some of the corrosion so a contact can be made.
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