radon fan not working 3

https://radonsystemrepairplace.oakridgedigest.com/posts/when-your-radon-system-needs-repair-a-homeowner-s-guide-to-diagnosis-and-fixes

I noticed the radon fan is not working today, and it's got me worried since we just had the test done last month. The indicator light is off, and I can't hear the usual hum, so I'm guessing the motor might have failed or there's a tripped breaker tripped. I'll call the installer tomorrow to get it checked out.