Hot tub throwing an error code? Take a look here and see what it means. Hot tub error codes help diagnose issues with a spa's heating, water flow, and electrical systems. These codes vary by …

Browse the full list of Hot tub error codes, the causes and possible solutions to identify the cause with trouble shooting and diagnostic steps.

With this list of hot tub error codes, you can immediately learn what’s behind the two- or three-digit error message, so that you can get the hot tub parts and repairs needed to fix the problem.

E0, EO, Er0, Err, Error 3, Error 4, Error 5, Error 6, Error 7, and Error 8 all represent different types of sensor faults or errors. They could indicate issues with temperature sensors, high limit …

Apr 17, 2025 · These codes are there to tell you what’s wrong so you can fix it fast and get back to relaxing. In this guide, we’ll go over the most common hot tub error codes, what they mean, …

This hot tub troubleshooting guide from Cal Spas of Minnesota walks you through the most common hot tub codes, what they mean, and when it’s time to call in a professional.

Dec 2, 2025 · Below is a list of common error codes from the top manufacturers of control equipment for hot tubs. Note: The control system brand name is usually different from the hot …

Feb 15, 2024 · One common way hot tubs communicate issues is through error codes. These error codes are your diagnostic tool to help you understand what’s wrong and how to fix it. In …

Sep 17, 2025 · Hot tubs are luxurious; however, when mysterious codes start appearing on your spa control panel, relaxation becomes perplexing. Error codes such as PR, LF, EC, or OHH …

While each hot tub manufacturer may have slightly different codes, most share similar types of error messages. Here’s a guide on how to decode and fix common hot tub error codes.