# How do I update the running hours?

To calculate maintenance tasks that are linked to running hours, you must first determine the running hour status of the running hour machines.

1. Click on **Counters.**
2. Click on **Update.**
3. Enter the running hours per machine.
4. Click on **Save & close.**

On board, the input window will appear as a pop-up every 7 days when you log in to MXSuite.

<p class="callout info">If the calculated weekly average is higher than 168 hours, you will not be able to save new running hours. If you are sure about the entered running hours, manually change the average to a value between 0 and 168. You will then be able to save the running hours.</p>