There are several reasons why your pool timer may be malfunctioning.
Pool filter timer not working.
Usually your filter system will be plugged directly into a power source.
Check the electrical supply to the swimming pool timer.
There are many reasons why your pool timer may not be working.
You ll also need to check your skimmer basket.
For extra safety shut off the pool breaker on the main home panel as well and lock the panel or place a large note to prevent someone else from turning the breaker s back on while you are working.
Also note the position of the on pin and the off pin.
If there is air in the system it s probably coming in one of two ways.
A pool timer becomes an intermediary between the system and that source.
Timer pins can be missing or the timer could be defective.
Remember each electronic pool timer is a little different but this quick explanation should cover the most common pull open the door to the box watch for spiders.
You plug your system into the automatic pool timer and then the pool timer into your wall outlet.
Check out the diagram below or see the wiring diagram which comes with a new timer or is printed on the door of the timer box.
So what you will need to do next is to troubleshoot your intermatic timer with a few steps.
In order to find the issue of your pool timer troubleshooting must be done to determine the problem.
For automatic timers check to see if the lcd panel shows that the timer is set.
Your timer could be set incorrectly or the timer may not be getting power.
If your timer is 240v or the t104 model it will have 5 brass screws terminals underneath the plastic insulator cover.
Through the skimmer because of low pool water levels or clogs blocking the flow of water or through an o ring that is leaking.
How does a pool timer work.
For dial timers look at the timer and note the position of the dial.