Eat the cost, educate yourself, and then you can help the tenant trouble-shoot the issue if it happens again.Many tenants will report that they've checked the breakers and none of them are tripped.

Expenses tend to go down each year as we do major work in first few years of each property (roofs, generators, landscaping, troubleshooting). 

No delay with the pop up box.Jon Holdman thank you for helping with the troubleshooting!

That would help me troubleshoot.

I haven't been able to recreate the issue locally, so it has been difficult to troubleshoot.

I am having trouble reproducing the error and was hopping to get a little more information to help me troubleshoot.

Here's a breakdown on a recent job from the management:"Changed out 1 receptacle in bedroom, was able to get other receptacles back working with troubleshooting.

If a company has in-house maintenance, they are far less likely to try to walk tenants through basic troubleshooting - they need to keep the maintenance division fed.  

So just like you did I would inspect for leaks, and then possibly share trouble shooting support with them then stay out of it. 

As you slowly fix the property, you will learn hundreds of lessons about residential real estate - finance, troubleshooting systems, the cost of labor and materials, and if you are fortunate enough to live in an appreciating market you will forgo paying capital gains tax on your exit.