Error code on Jacuzzi Hot tub
This was written by my good friend Kaisa Williams from, an online hot tub supply retailer. Through her experience and expertise, she compiled a list of common problems you might run into when taking care of your hot tub, and gives solutions on how to solve them. Hope you find this post helpful, and if you have any additional questions, be sure to ask in the comments below.
From hot tub leaks to control pad error codes, trouble-shooting your own hot tub problems can seem like a daunting task. It’s important to know when it’s necessary to call on a licensed repair-man, or when you can make a simple repair and save yourself a bundle. Here is a list of some common hot tub issues and solutions.
1. My Hot Tub Won’t Heat
Sometimes a heating problem is as simple as replacing a heater element, however sometimes the problem can be caused by another component.
The pump has to be running for your spa to heat, so if the pump does not come on the problem may be with pump itself. Testing the components with a multi-meter, or hiring a repair-man is the most efficient way to diagnose the cause of the problem.
2. My Jets Aren’t Working
“My hot tub is running, but there’s nothing coming through the jets. What’s wrong?” This is a common question and the answer is usually as simple as twisting the face of the jet to allow water flow.
Most hot tubs come with adjustable jets that can be turned down for less water flow, or closed completely. If you recently refilled the spa, the problem could be an air lock. To remove an air lock, loosen either fitting on the pump to allow the air in the pipe to escape – water should flow for about 5-10 seconds before retightening.
3. My Hot Tub is Displaying an Error Code
Modern hot tubs with electronic controls feature spa-side keypads with digital readouts. Hot tubs with these readouts will display an error code when something is wrong or malfunctioning. Wondering what your spa is trying to tell you?
Here are the top 5 most common error codes and what they mean
Flo or FLC = Improper flow or pressure switch malfunction.
Solution: If there is no water flow, check the voltage going to the pump. If the pump is getting proper voltage and not running, replace the pump. There are a number of other possible causes to this problem. Professional help is normally required if replacing the pump does not remedy the problem.
OH = Over heat. The spa is at a temperature above 108° F. Do not use spa when temperature is flashing or the OH message is displayed.
Solution: If the temperature of the water is actually 108° or hotter, the temp sensor should be replaced. If the water is cool, the high limit sensor is bad and needs to be replaced.
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