Troubleshooting Guide: Fixing Your Coleman Hot Tub Heater That Isn’t Working

Troubleshooting Guide: Fixing Your Coleman Hot Tub Heater That Isn't Working

If you’re like me, there’s nothing more frustrating than finding your Coleman hot tub heater not working. Just when you’re ready to sink into that warm, relaxing water, you’re met with a cold shock. But don’t worry, I’ve got your back.

In my years of experience, I’ve faced and fixed this issue more times than I can count. Whether it’s a simple fix or a complex problem, I’ll guide you through the process. You’ll be back to enjoying your hot tub in no time.

Remember, it’s not always a major issue when your heater stops working. Sometimes, it’s just a minor glitch that’s easy to sort out. So, let’s dive in and figure out what’s going wrong with your Coleman hot tub heater.

Key Takeaways

  • Faulty thermostats, problems with the fuse and circuit breakers, corroded heater elements, and a malfunctioning pressure switch are common causes for a Coleman hot tub heater not working.
  • To troubleshoot, start by testing the thermostat, checking the fuse and circuit breaker, inspecting the heater element, and examining the pressure switch.
  • Another crucial step is to evaluate the power supply of the hot tub heater. Make sure it is connected to a power source and the GFCI breaker is functioning properly.
  • The heating element should be examined using a multimeter to check for electrical resistance. A resistance reading between 9-12 ohms indicates a healthy heating element, while an infinity sign signifies that the heating element is faulty.
  • Regular inspection of the hot tub’s heater element is necessary for optimal performance. If the issue persists, reach out to a professional for assistance.

Common causes for a Coleman hot tub heater not working

Right off the bat, it’s essential to mention that not all problems are created equally. In my experience, several common issues can result in your Coleman hot tub heater giving up the ghost. I’ll walk you through these, shedding light on the possible reasons why your heater’s conked out.

The most blatant culprit to look out for? Faulty Thermostats. Yeah, that’s right. Poor wiring or a defective thermostat can mess up your heater’s functioning. In some cases, a wonky thermostat might even shut off your heater prematurely. And let’s be honest here, nobody likes a lukewarm soak when you’re after a steamy dip.

Don’t overlook the importance of the Fuse and Circuit Breakers, which often tend to throw tantrums. An overload or short circuit can trip the breaker, and there goes your hot water! Undeniably a headache, but often, the remedy is as simple as resetting the breaker.

Solving Your Coleman Hot Tub Heating Problems: A Comprehensive Guide

Heater Elements, they can be a pain in the neck too. With time, these elements can corrode or get covered in mineral deposits, which can hamper their efficiency. So what you get is less-than-toasty water, not what you signed up for, right?

Also, let’s not forget the Pressure Switch. If it’s faulty or out of adjustment, it’ll stop the heater from lighting up, even when there’s sufficient water flow.

So, now you’ve got an overview of some common issues. Here’s a handy markdown table to help you get a grip on things:

Problem AreaPossible Issue
Faulty ThermostatsPoor wiring or defective thermostat
Fuse & BreakersOverload or Short-circuit
Heater ElementsCorrosion or mineral deposits
Pressure SwitchFaulty switch or out of adjustment

Remember, understanding the root cause of your heater’s malfunction is half the battle. In the upcoming sections, we’ll venture into the strategies to solve these issues, and before you know it, you’ll be back in your cozy, hot-tub cocoon.

Troubleshooting steps for a Coleman hot tub heater not working

Deciphering the cause of your Coleman hot tub heater’s malfunction doesn’t have to feel like solving a complex puzzle. I’m here to guide you step by step.

Test the Thermostat
Faulty thermostats are often an invisible culprit. They can give off false readings, leading the heater to think it’s working when it’s not. Here’s a simple step you can take:

  • Set a thermometer inside the tub for accurate temperature readings. If the readings don’t align with the thermostat, it’s likely a faulty thermostat throwing the heater’s operation off track.
U-MAX Outdoor Hot Tub Unboxing And Set Up (Never done this before)

Check the Fuse and Circuit Breaker
Electrical issues can be another hidden cause. A blown fuse or tripped circuit breaker could cut the power supply to your heater.

  • Inspect the fuse by locating the tub’s electrical panel: a blown fuse will have a scalloped or clouded appearance.
  • Check on the circuit breaker, and make sure it’s set to “on”. If it’s tripped, reset it by flipping the switch.

Inspect the Heater Element
The heater element is a key component in your tub’s heating system. If it’s defective, the heater won’t function properly.

  • Check for signs of wear or corrosion on the heater element. If spotted, a replacement may be in order.

Examine the Pressure Switch
Remember that a malfunctioning pressure switch can also disrupt heater operation. It senses the flow of water and triggers the heater to warm up.

  • Note the pressure switch’s behavior when the jet pump is turned on. If it doesn’t respond to changes, it’s possibly faulty and may need a replacement.

As we delve deeper into the specifics of these steps with more focused approaches, problems become less intimidating. I’ll guide you through these approaches shortly. Information is empowerment and I’m here to empower you every step of the way.

Let’s make pot brownies for your house party

Checking the power supply for a Coleman hot tub heater not working

One crucial step towards addressing your Coleman hot tub heater issue is evaluating the power supply. Don’t let the term ‘power supply’ instill fear in your heart. There’s nothing too technical here. So, let’s dive in and figure out what’s going wrong with your Coleman hot tub heater.. If it isn’t, well, that’s a problem we need to tackle straight away.

First off, make sure that the tub is connected to a power source. It might sound too obvious to even consider but believe me, sometimes the simplest solutions are the ones we overlook. Maybe the cord got unplugged or there was a brief power outage you didn’t notice.

Next, I’d suggest checking the GFCI breaker. It’s a specialized breaker designed for hot tubs to prevent electrical shocks. When I say ‘check’, I mean you need to see if it has tripped. To do this, push the test button on the GFCI. The breaker should trip and cut the power. Consequently, your hot tub’s power light should go dim.

If the light doesn’t dim, the GFCI could be faulty and need a replacement. Remember, handling electrical components can be risky. Hire a licensed electrician if you have to replace the GFCI breaker.

Additionally, it’s worth evaluating the wiring and the fuse. Malfunctioned fuse or faults in wiring often manifest in the form of power issues. If you find any discrepancies, it’s time to get hands-on or hire a pro.

You see, it’s not as intimidating as it seemed at the start, is it? Don’t worry if the power supply seems perfectly fine and still the heater isn’t working. These are but a few steps in the whole process. We still have other areas to explore. So, let’s move forward.

Examining the heating element for a Coleman hot tub heater not working

The next area that requires your eagle-eyed attention is the heating element. Often, the root of the problem of a Coleman hot tub heater not working may lie within the heating element. Needless to say, if the heating element fails, your hot tub isn’t going to give you those warm chills you adore.

So let’s understand how to evaluate the heating element, shall we? To do this, you’ll need a multimeter, also known as a multitester or VOM (volt-ohm-milliammeter). It’s a handy tool to measure electrical potential differences in your hot tub components.

Firstly, make sure you power off your hot tub and disconnect any cables from the heating element for safety. Then, set your multimeter to the ohms setting.

Connecting Filipinos to Home While Working Abroad

Next, you’re going to measure the electrical resistance. Connect the probes of your multimeter to the heating element terminals. Don’t panic if you see a resistance reading between 9-12 ohms. That’s completely normal and indicates a healthy heating element. However, an infinity sign (∞) indicates there’s no continuity and, therefore, that your heating element is faulty.

Always be mindful that this isn’t a one-and-done kind of check. Regularly examine your heating element to ensure its optimal performance.

Lastly, if troubleshooting your heating element appears too daunting or if you notice a constant issue despite repeated checks, don’t hesitate to call in the professionals. Saving a few bucks isn’t worth risking your safety!

The journey of troubleshooting a Coleman hot tub heater doesn’t end here. We will continue to dive into more intricate potential issues in the following sections. Keep your eyes peeled and continue enhancing your knowledge for a cozy and trouble-free soak in your beloved hot tub.


So, we’ve navigated through the maze of troubleshooting a non-working Coleman hot tub heater. From checking the power supply to assessing the GFCI breaker, we’ve covered all the bases. We’ve shone a spotlight on the wiring and fuse and took a deep dive into the heating element. Remember, it’s all about regular checks for optimal performance.

And don’t forget – if things get too complicated, there’s no shame in calling in the pros. They’re equipped to handle any persistent issues. Stay tuned for more in-depth troubleshooting guides to keep your hot tub in top shape. Here’s to many more relaxing soaks in your perfectly heated hot tub!


1. What is the first step in troubleshooting a non-working Coleman hot tub heater?

The first step is to check the power supply. Ensure the hot tub is connected to a power source and confirm if the GFCI breaker has tripped. If there’s an issue with the breaker, call a licensed electrician for replacement.

2. What should I do if the power supply isn’t an issue?

If the power supply isn’t the problem, inspect the wiring and fuse for potential issues. Any faults detected in these areas might cause a non-working hot tub heater.

3. What other component should I inspect if the heater doesn’t work?

Consider examining the heating element. The article provides a guide on how to assess the heating element using a multimeter.

4. How often should I check the heating element?

It is recommended to regularly check the heating element to ensure optimal performance. However, no specific timeframe is provided.

5. What should I do if I still can’t fix the problem?

If troubleshooting becomes too complex or if issues persist, consider hiring professionals to handle the situation.

6. Will the article provide more detailed troubleshooting steps?

Yes, the article concludes by promising to offer more detailed problem-solving methods in the upcoming sections.

Stay Connected , follow us on: Facebook: @creebhillsdotcom, Twitter: @creebhillsblog, Instagram: @creebhills, Pinterest: @creebhills Telegram: creebhills

Follow my blog with Bloglovin
To place an advert/sponsored post on our site, contact us via [email protected]