Before doing anything, you need to make sure you turn off the power to your Tesla home wall charger, because safety is your top priority. You ensure that your Tesla is not plugged into your charger. At the same time, you need to confirm that the electrical circuit breaker for the charger is not tripped and, if it is, you should reset it.
Moreover, you need to look for any visible damage on the charging cable. If you find any cuts or frays, it might be time for a replacement. Rebooting the charger can be another great idea. Thus, you should turn off the charger, wait a minute, and then turn it back on.
Also, you have to ensure that the wall outlet is working, and you can do that by plugging in another device, such as a lamp or a phone charger, in order to confirm that the outlet is live. If it is possible, you can try plugging your Tesla charger, because this can help you determine if the issue is with the charger or the electrical connection. You should check if there is a software update available for your Tesla charger. Updating the software might resolve any bugs. Be sure to have an experienced electrician Denver has in the area do an electrical and inspection to make sure it is safe for further diagnosis of everything.