Easy, quick and cheap fix. If your planer is shutting down or off midway through a run then this might help solve the problem. Often, the cause can be a faulty circuit breaker.
Note: there can be other causes for DeWalt planers shutting off, but this is one of the most common issues and how you can fix it on your own / DIY, in just a few minutes.
Disclaimer: I’m not a technician—just a hobbyist who has dealt with this frustrating issue
Step by step tutorial on how to replace the trigger (power) switch on this unit and others like it.