To reset a tankless water heater, turn off the power and gas supply, then press and hold the reset button for at least five seconds. Tankless water heaters are an excellent option for those who want to reduce energy consumption while enjoying hot water on demand.
However, like all appliances, these heaters need maintenance and occasional repairs. One issue that homeowners may encounter is the need to reset the unit. Resetting the tankless water heater is a simple process that requires following a few easy steps.
In this article, we will guide you through the process of resetting a tankless water heater, so you can continue to enjoy your hot water without any interruptions. With our step-by-step instructions, you’ll be able to reset your tankless water heater in no time.
Signs That Indicate Your Tankless Water Heater Needs A Reset
Tankless water heaters are a great way to have an uninterrupted supply of hot water. However, like any other appliance, a tankless water heater may need a reset from time to time. This blog post will guide you through the resetting process of your tankless water heater.
In this section, we will discuss the signs that indicate your tankless water heater needs a reset, which will help you identify when your tankless water heater needs your attention.
No Hot Water
If there is no hot water coming from your tankless water heater, it could be an indication that the unit needs a reset. Other reasons for no hot water could be:
- Broken or damaged heating elements
- Electrical faults
- Improper installation
If the reset doesn’t solve the problem, you may need to call a professional to diagnose the issue.
Insufficient Hot Water
If your tankless water heater is not producing enough hot water, it may need a reset. Additionally, a few other reasons could cause insufficient hot water, such as:
- Clogged water supply
- Scale buildup
- Incorrect temperature settings
A reset could be the solution, but if it’s still an issue, it’s advisable to have a professional evaluate your system.
Continuous Blinking Of The Red Or Temperature Light
If you notice that the red or temperature light on your tankless water heater is blinking continuously, it could be a sign that your unit needs a reset. Blinking lights could also indicate:
- Power supply issues
- Clogged air intake or exhaust
- Blocked vents or flues
If the reset doesn’t work and the light continues to blink, it’s wise to contact a technician for a thorough checkup.
Error Codes Displayed
Modern tankless water heaters are equipped with error code displays that inform you if something is wrong. These error codes can mean a reset is needed, but it could also be an indication of more serious issues. For instance:
- Code 11 means there is no ignition or a failed ignition
- Code 12 means a flame is detected, but it is unstable
- Code 13 indicates that the oxygen depletion sensor is faulty
- Code 14 shows that the thermal fuse is blown
If you see an error code on your tankless water heater’s display, study the manufacturer’s manual or contact a plumber for help. A reset may solve minor issues, but significant problems require professional attention.
Remember that resetting your tankless water heater is no guarantee that the unit will function correctly. Should the problem persist, it would be best to contact a professional plumber to diagnose and repair your tankless water heater.
Precautionary Measures Before Resetting The Tankless Water Heater
Tankless water heaters are a great investment for homeowners who want endless hot water at their disposal. However, there comes a time when you may need to reset the water heater. Before you proceed with resetting your tankless water heater, take the necessary precautionary measures to prevent any accidents and damages from happening.
Here’s what you need to do:
Turn Off Power Supply To The Heater
Turning off the power supply to the water heater is essential to avoid any electrical injuries when resetting the water heater. Follow these steps to turn off the power supply:
- Locate the circuit breaker or fuse box that controls the power supply to your tankless water heater.
- Flip the circuit breaker or remove the fuse to turn off the power supply to the water heater.
- Once the power supply is turned off, it is safe to proceed with the next step.
Turn Off Water Supply
Once you have turned off the power supply, you need to turn off the water supply to the tankless water heater. This step is vital to prevent any water from leaking out of the heater during the resetting process. Follow these instructions to turn off the water supply:
- Locate the main water supply valve to the tankless water heater.
- Turn the valve to the right or clockwise to shut off the water supply to the tankless water heater.
- Once the water supply is turned off, move on to the final step.
Allow Heater To Cool Down
Before you proceed with resetting your tankless water heater, make sure to allow the heater to cool down completely. The heater may remain hot even after turning off the power supply and water supply, hence the need to be cautious.
Follow these instructions to cool down the heater:
- Wait for at least 15-20 minutes to allow the heater to cool down.
- During this time, be sure not to touch any part of the water heater as it may still be hot.
- Once you are confident that the water heater has cooled down completely, you can proceed with resetting it.
Precautionary measures are necessary when you need to reset your tankless water heater. Turning off the power supply, turning off the water supply, and allowing the heater to cool down are essential steps to prevent accidents and damages from happening.
Following these steps will help you reset your tankless water heater without any hitches.
Steps To Reset Your Tankless Water Heater
Tankless water heaters are increasingly popular for their energy efficiency and endless supply of hot water. However, they also require troubleshooting, like any other appliance. If you experience issues with your tankless water heater, resetting it may be a simple solution.
In this blog post, we will discuss how to reset your tankless water heater in a step-by-step guide under the subheading “steps to reset your tankless water heater. “
Step 1: Turn Off Power Supply To The Heater
Before resetting your tankless water heater, make sure to turn off the power supply to ensure your safety. You can do this by switching off the breaker or disconnecting the electricity supply to the heater. Once the power is off, move on to the next step.
Step 2: Locate The Reset Button And Press It For Five Seconds
Most tankless water heaters come with a reset button that you can find on the front or side of the unit. Once you have located the button, press and hold it for five seconds or until the display shows a reset message.
Step 3: Wait For The Heater To Start Up
After holding the button, give your tankless heater time to restart. The duration of this process will depend on the model and manufacturer of the heater. It can take anywhere between a few seconds to a few minutes.
Step 4: Check For Normal Operation
Once the heater has restarted, check for normal operation by turning on a hot water tap and making sure that you have hot water flowing. Observe the heater for any unusual noises or error codes on the display panel. If everything looks normal, you have successfully reset your tankless water heater.
Whether it’s due to a power outage, overheating or another issue, resetting your tankless water heater can save you time and money. However, if resetting your unit does not solve the problem, don’t hesitate to contact a professional plumber for assistance.
We hope that our step-by-step guide has helped you reset your tankless water heater safely and efficiently.
Troubleshooting Tips If Resetting Fails
Sometimes, resetting your tankless water heater alone may not fix the problem. Don’t worry, though, because in this section, we’ll be discussing the potential causes of the issue and what you can do about it. Check out the following tips:
Check The Power Source
- Make sure that your tankless water heater is connected to a power source that’s functioning correctly.
- Check if the circuit breaker is in the “on” position. If not, flip it on and see if your unit starts working again.
- If your unit still won’t work, test the outlet by plugging in a different device to see if it’s functional.
- If none of these steps work, you might need to call in an electrician to look at the electrical system in your home.
Check For Gas Supply
- Ensure that your gas valve is, in fact, open and supplying gas to your tankless water heater.
- Check that your gas line is still properly connected and free from any damage.
- If you smell gas, leave the area immediately and call your gas provider’s emergency line.
Check For Loose Connections
- Ensure that all the connections between the water heater and the main lines, electrical system, and gas supply are tight.
- Look for any signs of damage or wear on hoses or pipes, which might indicate a need for replacement.
Check For Water Flow
- Inspect all faucets in your home that use hot water to make sure they all work and aren’t clogged.
- Confirm that the filter screens in your tankless water heater are free of debris.
- Check if the water pressure is right by using a pressure gauge.
Call An Expert If Issues Persist
- If you tried resetting your tankless water heater and the tips above with no success, it’s time to call in an expert.
- Qualified plumbers, electricians, or hvac technicians will have more advanced knowledge and tools to diagnose any electrical, gas, or water flow issues and resolve them — safely and in a speedy manner.
By following these troubleshooting tips, you may be able to identify the root cause and fix your tankless water heater quickly. Remember to consult an expert if any issues persist to prevent any further damage or safety hazards.
Frequently Asked Questions On How To Reset Tankless Water Heater
How Do I Reset My Tankless Water Heater?
To reset a tankless water heater, turn off the power source and wait for 10-15 minutes before turning it back on. You can also unplug the unit or turn off the breaker to reset it.
Why Is My Tankless Water Heater Not Working?
A tankless water heater may not be working due to several reasons, including a power outage, gas supply disruption, clogged air inlet filter, or malfunctioning heating elements. Check for these issues to identify the problem.
How Often Should I Reset My Tankless Water Heater?
You only need to reset your tankless water heater when it shows error codes or stops working. Otherwise, it should operate normally without needing constant resets.
Can Resetting A Tankless Water Heater Fix The Problem?
Sometimes, resetting a tankless water heater can fix the problem. If the issue is minor, like a power surge or a heating element malfunction, a reset may fix the issue.
How Long Does It Take To Reset A Tankless Water Heater?
It takes only a few minutes to reset a tankless water heater. However, you should wait for 10-15 minutes before turning it back on to allow the system to cool down and reset properly.
What Should I Do If Resetting My Tankless Water Heater Does Not Work?
If resetting your tankless water heater does not solve the problem, try troubleshooting the issue. Contact the manufacturer or a licensed technician to diagnose and repair the underlying issue.
To sum it up, resetting your tankless water heater can seem like a daunting task, but with proper guidance, it can be done easily. It is crucial to note that before resetting, you should identify the root cause of the problem and follow the manufacturer’s instructions.
You should also turn off the power and water supply before commencing the process to avoid causing any damage or injuring yourself. Remember to perform regular maintenance checks to prevent the need for frequent resets and prolong your tankless water heater’s lifespan.
It is crucial to prioritize safety and consult a professional in case of any doubts or complex issues. Following the steps in this guide will help you reset your tankless water heater and ensure it is functioning at its optimal level.