Skip to Content

Everything You Need To Know About Your Hot Tub Control Panel

Everything You Need To Know About Your Hot Tub Control Panel
This article may contain links from our partners. Please read our Disclaimer for more information.

The hot tub control panel is a fundamental component of any hot tub or spa, providing users with the means to manage and customize their hot tub experience.

Understanding how this control panel operates is essential for making the most of your relaxation time and maintaining your hot tub effectively.

In this guide, we will delve into the functionalities, components, and operation of hot tub control panels, helping you navigate the world of hot tub technology with confidence.

Whether you’re a hot tub owner or considering becoming one, this exploration page will shed light on the inner workings of this crucial interface.

What Is a Hot Tub Control Panel?

hot tub control panel

A hot tub control panel is a user interface or device used to manage and adjust various functions and settings of a hot tub or spa.

It typically includes a digital or analog display, buttons, and knobs that allow users to control features such as water temperature, jet and pump settings, lighting, filtration, and more.

The control panel is the central hub for customizing and regulating the hot tub experience to meet the user’s preferences and needs.

The hot tub control panel serves as the central interface for operating and managing various functions and settings of the hot tub.

How Does a Hot Tub Control Panel Work

A hot tub control panel is the interface that allows you to operate and control various features and functions of your hot tub. Here’s how it works:

  1. User Interface: The control panel serves as the user interface for the hot tub. It’s where you interact with the tub to adjust settings, turn components on/off, and monitor the hot tub’s status.
  2. Digital Display: The digital display on the control panel shows you important information like the current water temperature, the status of jets, lights, and other features, and any error messages or diagnostic information.
  3. Buttons or Touchscreen: Depending on the type of control panel, you’ll either have physical buttons or a touchscreen. Buttons are used to navigate through menus, make selections, and adjust settings. Touchscreens offer a more intuitive and direct interaction with the hot tub’s functions.
  4. Navigation: You can navigate through the control panel menus to access various functions, such as adjusting the water temperature, turning on and controlling the jets, setting a filtration schedule, activating lights, and more.
  5. Setting Adjustments: You can use the control panel to set and fine-tune parameters like water temperature, filter cycles, and water sanitation levels. The specific options and customization available can vary depending on the hot tub model and its features.
  6. Safety and Lock Features: Some control panels offer safety features like child locks to prevent unauthorized access and accidental changes to settings.
  7. Error Messages and Diagnostics: If there are any issues with the hot tub, the control panel may display error messages or diagnostic codes to help you identify and address problems. This can be essential for troubleshooting and maintenance.
  8. Communication with Hot Tub Components: The control panel is connected to the hot tub’s internal control system. When you adjust the panel, it sends signals to the various components like the heater, pump, jets, and lights to carry out your commands.
  9. Remote Control: In some cases, modern hot tubs may also have remote control capabilities, allowing you to control the hot tub via a smartphone app or other remote devices.

Key Features of a Hot Tub Topside Control Panel

A hot tub control panel is the hub of a hot tub that allows the user to control various features of the hot tub. Here are some of the key features of a hot tub control panel:


The blower feature on a hot tub control panel controls the airflow to the jets. It allows the user to adjust the intensity of air control the massage provided by the jets.

The blower feature can be turned on or off, and the intensity of air control the airflow can be adjusted using the control panel.

Temperature Control

The temperature control feature on a hot tub control panel allows the user to adjust the water temperature as needed. The temperature can be set to a desired level, and the hot tub will automatically maintain that temperature.

The temperature control feature is essential for ensuring that the hot tub water is at a comfortable temperature for the user.

Jet Control

The jet control feature on a hot tub control panel allows the user to control the intensity and direction of the water jets.

The jets can be turned on or off, and the intensity of the water flow can be adjusted using buttons on the control panel. Some hot tubs also have a feature that allows the user to adjust the direction of the jets.

Lighting Control

The lighting control feature on a hot tub control panel allows the user to control the lighting in the hot tub.

The user can choose to turn the lights on or off and, in some cases, adjust the brightness of the lights as needed. The lighting control feature is essential for creating the right ambiance in the hot tub.


The LCD on a hot tub control panel provides vital information to the user. It shows the current water temperature, jet and blower status, and any error messages.

This feature is crucial for monitoring the hot tub’s performance and addressing issues promptly.

Troubleshooting Common Issues

troubleshooting hot tub control panel

Hot tub control panels are vital for managing hot tub functions, but they can encounter issues that require troubleshooting. Here are common problems and their solutions:

  • Display Errors: If the panel displays errors, reset it by turning off the power for 20 seconds before turning it back on. Check for visible damage on the circuit board; if there is none, seek professional repair.
  • Non-Responsive Buttons: When buttons don’t work, power off the tub, clean the keypad and control panel, then inspect the keypad for damage. If the issue persists, contact a professional for repair or replacement.
  • Temperature Inconsistencies: Reset the control panel by turning off the power for 20 seconds. If temperature inconsistencies persist, examine the thermostat and temperature sensor for visible damage. If there’s no damage, consult a professional for repair or replacement.

Maintaining Your Hot Tub Control Panel

Your hot tub’s control panel is crucial for its operation, and proper maintenance is key to keeping it in working order. Here are essential tips to ensure your control panel’s longevity:

  1. Regular Cleaning: Keep the control panel clean by wiping it with a soft cloth and a mild cleaner. Avoid harsh chemicals or abrasive materials that could damage it.
  2. Check for Damage: Periodically inspect the control panel for cracks or scratches. Address any damage promptly to prevent further issues. Depending on the extent of the damage, you may need to repair or replace it.
  3. Resetting: If your control panel malfunctions, try resetting it. Turn off the hot tub, wait a few minutes, and then turn it back on. This can clear errors or glitches causing problems.
  4. Professional Help: If you encounter persistent issues with the control panel, it’s wise to seek assistance from a qualified technician. They can diagnose and perform any necessary repairs or replacements.


What Are the Common Error Codes for Hot Tub Topside Control Panels?

Hot tub control panels may display error codes when something goes wrong.

Some common error codes include “OH” for an overheating hot tub, “FL” for a flow issue, and “SN1” or “SN2” for a sensor issue. Refer to the manufacturer’s manual for a complete list of error codes and their meanings.

What Is the Average Lifespan of a Hot Tub Control Panel?

The average lifespan of a hot tub control panel varies depending on the make and model of the hot tub and the frequency of use. Generally, a well-designed and well-maintained hot tub control panel can last between 5 to 10 years.

How Do I Replace a Damaged Hot Tub Control Panel?

Replacing a damaged hot tub control panel requires some technical skills and knowledge. It is recommended that you hire a professional technician to replace the control panel.

However, if you are confident in your skills, refer to the manufacturer’s manual for instructions on how to replace the control panel.

Can I Control My Hot Tub Remotely Through a Smartphone or Tablet?

Yes, some hot tubs come with a built-in Wi-Fi module that enables you to control your hot tub remotely through a smartphone or tablet. You can adjust the temperature, activate the jets and filters, and configure filtration cycles from your mobile device.

How Do I Properly Maintain My Hot Tub Control Panel To Prolong Its Lifespan?

Regular maintenance is critical to prolonging the lifespan of your hot tub control panel. Ensure you refer to our tips above, including keeping the control panel and circuit boards clean and dry, keeping the water balanced, and avoiding exposure to sunlight and extreme temperatures.

The Last Splash

The hot tub control panel serves as the central command for your hot tub, allowing you to customize and manage your spa experience. Understanding its functions, maintaining it properly, and considering an upgrade when necessary can greatly enhance your enjoyment of the hot tub.

Whether you’re a seasoned hot tub owner or thinking of becoming one, this guide has shed light on the inner workings of this vital interface, ensuring a relaxing and trouble-free experience.

Remember, regular care and a good match for your specific hot tub are the keys to a smoothly run operating control panel.