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Common pool equipment failures and diagnoses include pump failures, filter clogs, and heater issues that can impact the functioning of your pool. Pumps can lose prime because of air leaks, and dirty filters decrease water flow. Recognize these failures with the help of Big Easy Pool Builders.
Follow these tips to help you resolve issues quickly and safely, allowing for an enjoyable swimming experience. If things get tricky, don’t stress—our team is ready to help. Give us a call today, and let’s get your pool running smoothly again!

Pool pumps serve as the circulatory system of your pool. Catching the problem early can save you a lot in repair costs and keep your pool humming along.
Strange sounds coming from a pump usually indicate that something is wrong inside. Grinding or screeching sounds usually indicate a problem with the bearings or motor.
When a motor gets hot, it is a sign of inefficiency. Inefficiency in the fan system can be caused by restricted air movement or excessive run time in hot, humid weather, resulting in too much heat in the motor. A clogged impeller may also restrict water flow, which can cause the motor to work too hard. Electrical issues, such as loose connections, can also create overheating of the motor.
A pump that’s struggling to prime usually indicates a basket or skimmer clogged with debris. Air leaks in the suction line can disrupt water flow, making priming impossible. Check the pool’s water level; make sure it is high enough to cover the skimmer opening.
Water leaks can be caused by worn seals, cracked pump housing, or loose plumbing connections. Cold can break the housing, and corrosion gets to the fittings eventually.
When your pump won’t start, check the breaker and power source first. Worn-out wiring or corroded connectors can disrupt power. If those check out, check the capacitor — it’s a frequent suspect in startup failure. Timers or controls should be checked to see that they’re working properly.

Pool heaters serve an important purpose: keeping your water at an appropriate temperature and making sure it’s usable throughout cooler seasons and different weather ranges. If your heater acts up, this could leave you with potential issues throughout your pool system if not diagnosed quickly.
Electrical and mechanical failures are the two main culprits behind heater problems. Electrical issues are usually caused by tripped breakers, bad wiring, or fluctuating voltage. Common mechanical issues are also clogged burners and defective heat exchangers. Both will impact the heater’s efficiency and expose it to inefficiencies.
Gas heaters, for example, run on a constant pilot light. It could be that the gas supply line is blocked or leaking, which can cause the pilot to blow out. Blockages may be caused by dirt and debris in the pilot assembly impeding the flame. These can necessitate a thorough cleaning. To keep the heater running reliably, the thermocouple– which detects the pilot flame– needs to be adjusted properly.
Calcium deposits in the heat exchanger can be responsible for a heater that has a problem reaching or maintaining temperature. This decreases heat exchange efficiency, putting undue strain on the system. Second is the heater’s size — an undersized one won’t be able to keep up with the pool’s heating requirements. Low water flow resulting from dirty filters or pump issues may restrict the heater’s capacity.
A pool filter is very important when it comes to keeping your water sparkling clear and clean. It helps eliminate debris and impurities.
| Filter Issue | Potential Cause | Impact on Pool |
| Low Pressure | Clogged skimmers or air leaks | Inefficient filtration, cloudy water |
| High Pressure | Dirty filter media or blockages | Strain on equipment, reduced flow |
| Leaks and Cracks | Damaged tank or worn seals | Water loss, reduced efficiency |
Pool equipment helps keep the water flowing easily, but even the best systems can develop a little kink in them. Knowing what to look for when your pump, heater, or filter fails will save you lots of time and headaches.
If you’re staring down a hard repair or simply want some guidance, consult our pool pro at Big Easy Pool Builders. Maintaining your pool in tip-top condition is always a good payoff.