If you implement Ad-Maven ads correctly (you can check it here). You need to make sure the JS code is set on the <head> section.
Also, if you are using Ad-Block server make sure the ads are not blocked- if it's still not solved please contact our support to get a code for Ad-Block solution.
Did you check all the implement and set them right – leave the JS code on site and contact our live support, make sure you send them all the information to fix it.
What details do we need?
- What browser are you using/device/country are you using?
- When did you place it/ the ads stop working?
- Did you make any changes in the implementation/ on site?
- Where did you place the codes?
**usually takes 15 -30 minutes until you start seeing ads.