If there is a recent power failure in your area - check for a reset button
A pump has to be full of water before it will work or pump water
A hole the size of a needle in the suction line will stop a pump from working
Ants and insects can cause a pump to fail
A pump situated in the shade will last longer than a pump in the sun
A fault located may not necessarily be the cause of the failure
Most times when you are trying to locate a fault you are spending more time testing areas that are working fine
