If the water flow in your tankless water heater is too low and dips below the flow activation rate, the main gas burner will turn itself off. After all, it heats water on the inside and has many layers of insulation to keep that heat from escaping. Read more about an error code 11. If the breaker has tripped, switch it off, then switch it back on again. Once connected and the free Rinnai app is downloaded, the Rinnai Tankless Water Heater can be … Hi, I’m Emma, Editor of Sunrise Specialty. The Rinnai efficiency has an additional heat exchanger. Beating the drum in favor of tankless water heater is not over amused. Many issues are not fatal for your heater, and the key to repairing them is correctly identifying what’s wrong. Get more details on how to troubleshoot error code 12. What happened? Ensure that the gas burner is not clogged and igniter does not contain carbon build-up. I have given the water heater 3 hours to heat water. If you have a gas version, it could be related to the burner – see #12 below for further information. If there is limescale build-up use the fine sandpaper and clean it. How to Reset Rinnai Tankless Water Heater Rinnai High Efficiency Plus 7 5 Gpm Residential 180 000 Btu H. It’s the distance the water has to travel. He doesn't get any hot or warm water. Keep in mind that the warranty does not cover the unit if the problems were related to freezing, water quality, flooding, fires, improper installation or handling. I am having trouble reconnecting my water heater … If you live in an older home and you are suffering from low water pressure, the problem may not lie with the boiler at all – you may need to consider fitting wider pipes in your home to resolve this issue. The new Control-R™ Wi-Fi Module attaches easily to the Rinnai Tankless Water Heater by a two-wire interface quickly connecting through your Wi-Fi network for monitoring. This is harmless, but there’s not so much you can do about the noise. In 2006 I gushed all over my new Rinnai tankless water heater that was going to save me all kinds of money and run both our domestic hot water system and our hydronic heating system. Most gas hot water heaters us a pilot light to ignite the burner. Increase the temperature to approximately 125-130 F, or higher if needed. Leaks might result from loose connections, in which case you will need to tighten them with a wrench. Reasons Why a Car Heater Stops Working . Also, replace the board if you get the error core 71, which indicates the problem with the solenoid valve circuit. Of course, the TP valve or pipe could still be warm if the water heater stopped working within the last 3 or 4 hours because the water inside would still be holding some heat. This is the simplest and easiest hot water problem to fix. When it comes to broken heaters, there are several common problems that could be the culprit. If your tank is too small for the number of people showering, for example, you may use up all the hot water before everyone is finished. Many fish lovers, me as well, may know how useful this heater is, but sometimes, we might confuse if the aquarium heater is working or not. The thermocouple could need replacing, you could have a bad gas valve, or the vent could have become blocked. Usable with all Rinnai water heaters newer then 2006 except the RH180 Hybrid Mounts to the water heater with magnets or screwed into the wall with the included mounting hardware Directly wired and powered by the tankless water heater New (4) from $119.99 + FREE Shipping. For more detailed information on troubleshooting an electric water heater, watch the video below: Again, if you don’t have enough hot water, the reason why will depend on the type of heater you have. Then plug unit back in. Ensure that there is no blockage in the vent system (lack of combustion air). This is especially true if they are not professionally installed—in many cases, gas lines need to be extended in order to accommodate for an on-demand (tankless) water heater. provide a means for us to earn fees by linking to Amazon.com and affiliated Extreme care should be used at all times to avoid contact with energized components inside the furnace. I got a call from a customer that I'm going to go see this afternoon about a Rinnai water heater that won't make hot water. Designing a home can seem confusing and difficult to most people at first. Your water heater should never be hot to the touch. When there is no gas ignition, the heater is OFF. Leaks from water heater tanks can be … Some homeowners find the heater not working when they need to heat their house. Our insight can guide the way for you. This code is found on the outdoor models only. The hot water may be getting blocked somewhere in the pipes between the water heater and the fixtures. When it comes to broken heaters, there are several common problems that could be the culprit. You could also have air in the gas line, or the gas valve could be faulty. We are authorised installers and repair technicians for all the solar hot water heater brands including Solahart, Rheem, Edwards, Apricus, Quantum and many more. It has been working flawlessly up until about 2 weeks ago. Troubleshooting Rinnai water heaters are much easier if they come with the diagnostics system. Check the burner and clean it if necessary from the dirt and debris (also condensation). If this is the case, try draining the tank and descaling. ... (on demand) water heaters. When a standard tank-style gas water heater stops producing hot water, it means that the gas burner is no longer producing the flame necessary to heat the water. Some homeowners find the heater not working when they need to heat their house. I have a Rinnai tankless RC80HPi water heater. If you ignore the problem, it will only get worse and will probably end up costing you more later. If your water heater is hot, then there is a problem. Depending on the cause of the problem, the solution can be extremely simple, or complex and expensive. Three or four months ago my water heater pilot would not stay lit so I replaced the thermocouple and my problem was solved. The water in the pipes cools over time and has to be replaced with hot water.. No way to remedy. Low water pressure is often caused by not having wide enough pipes. Heater Not Working. My new water heater does not heat water. This is the simplest and easiest hot water problem to fix. Do you have a problem with a Rinnai tankless water heater? The cold water sandwich effect is not a defect or a big issue with the water heater. Water is not hot enough. Heater Not Working. Water flow might be reduced when the water filter or fixture aerator are clogged. Open the panel and press the red “reset” button. See what causes the unit's malfunction and error message to display, and what you can do about it. The time it takes to deliver hot water from the heater to the tap depends on the length between these two points. Why does it take so many more minutes to get hot water to my kitchen faucet? Gas hot water heater troubleshooting always seems to start with the pilot light. However, if that is not the cause of the problem, it's not difficult to troubleshoot your water heater to locate the issue. If this doesn’t work, try cleaning it out with chlorine bleach. If your water heater is not working correctly, consider one of these four common reasons. Getting regular maintenance will catch or prevent other tankless problems. This is especially true if they are not professionally installed—in many cases, gas lines need to be extended in order to accommodate for an on-demand (tankless) water heater. These fault codes will show on your digital, or status, monitor of the hot water temperature controller. The most common is that a build-up of scale in the tank and on the heating elements is creating rumbling, popping and banging sounds as the water heats. Make sure that the electrical grounding is done correctly and there are no shorts. Check your water heater to make sure the pilot light is still on (check your owner’s manual if you need helping finding the pilot light, as it is well hidden). Rinnai error codes easily allow you to know exactly where the fault lies that is causing you to experience no hot water, or for your hot water heater to not operate at all. It was installed in my house back in 2009. Beating the drum in favor of tankless water heater is not over amused. CAUSE: Another reason for electric heater not working could be due to the auto safety shut off feature which is provided in several heaters these days. Remove the wires from the controller. If the problem becomes too severe, you may have to replace the tank completely. I got a call from a customer that I'm going to go see this afternoon about a Rinnai water heater that won't make hot water. Tankless water heaters are not immune to problems. If a controller is fitted check that it is on also) Check gas supply (Turn gas stove top on then turn hot water tap on. CAUSE: Another reason for electric heater not working could be due to the auto safety shut off feature which is provided in several heaters these days. When heaters get too hot, then this feature shuts off the device for safety purposes. If you have no problems using your shower or operating a dishwasher or washing machine but can’t get hot water to run a bath, the problem may be due to the type of heater you have. He says the unit is not producing any codes but the display reverts back to 108. You’re using hot water faster than it can make it. Electric water heaters are high-voltage appliances, which means you should take full precautions when working with one. Not bad article. Often, the most important thing you can do is to identify the problem early and take steps to rectify it. Replace the element if it is needed. Some more good information on hotwatercylinders.nz. If error code reappears, unplug sensor and fire up the water heater. Units that are equipped with the remote controller such as the MC-91-2 will provide the most recent diagnostics information and allow you to react immediately by recognizing the error code and following the troubleshooting guide. Once connected and the free Rinnai app is downloaded, the Rinnai Tankless Water Heater can be … The high concentration of mineral deposits in water is the main cause of the sediment build-up, especially in the heat exchangers. Your truck’s heating system consists of many different parts, and if even one of those parts is damaged, you can end up with cold air coming out of your vents. […] Reply. If flame drops on stove this shows it is possibly a gas supply issue) Is there enough water … ... (on demand) water heaters. Modern water heaters are built to last. If you feel warmth, your water heater is probably working. Your tankless water heater will feel cold to the touch when the heater unit and pumps are in the rest state and not heating water. Your tankless water heater will feel cold to the touch when the heater unit and pumps are in the rest state and not heating water. Reasons Why a Car Heater Stops Working . If there is no flame, use some of these tips for troubleshooting: check the loose connections and the proper voltage on the power supply, PC board, and igniter. If your water smells bad, bacteria in your heater could be the culprit. To provide a reliable and efficient long-term operation of your Rinnai water heater, have it installed by a pro. Give us a call at 704.846.5371 to service your tankless water heater. When a standard tank-style gas water heater stops producing hot water, it means that the gas burner is no longer producing the flame necessary to heat the water. By increasing the flow rate, the problem can be solved. There are a few reasons water heaters may make noises. All rights As odd as it may sound, this is not an unusual problem. Also, remember safety first. The problem of venting or air supply. Many fish lovers, me as well, may know how useful this heater is, but sometimes, we might confuse if the aquarium heater is working or not. Many come with long warranties, and you hope to be able to use them trouble-free for many years to come. Check #10, #11 and #12 below to see how to address these issues. If your water starts to turn to a dirty rust color, you are probably looking at corrosion inside your tank. Water leaks usually are caused by leaking valves and plumbing connections, but they can also be related to tank problems. This is how to fix a Rinnai Water Heater that is not working following a flush of the heat exchanger. A detailed guide on how to troubleshoot error code 10 is here. The only solution for this is replacing the tank. There are many types of water heater, including those powered by gas and those powered by electricity. There’s nothing to worry about. 3. Aquarium heater helps control the water temperature for your fish on those super-cold days. If your water heater is hot, then there is a problem. Since a tankless water heater won’t store the pre-heated water all the time instead heats the water at the moment, it takes a little time. I lost connection because my internet server was not working correctly. One of the most common issues many home-owners are dealing with, in on-demand water heating, is exposure to hard water. Tankless heaters also have to work harder in winter, so if you experience this problem during the colder months, this could be the reason. Any issue that is recognised will flash with a fault code. Why Is My Heater Not Working? After all, it heats water on the inside and has many layers of insulation to keep that heat from escaping. Depending on the cause of the problem, the solution can be extremely simple, or complex and expensive. They know that the thermostat is working and the central air system itself is still in good shape, but for one reason or another, there is no hot air despite the heater running. Common Water Heater Problems. Run hot water and see if it works. If it is damaged replace the board. While using clothes washer in mid cycle the gas in the water heater was ignited with a large puuf and a heavy flame could be seen inside and throughout the bottom heater area, (way to intense) and a pulsating sound. Check the internal elements and plumbing for leakage. This includes checking the loose connections, damaged wiring harness and removing the deposits from the electrodes. If this is not the problem, you may have issues with the pilot or the burner. 5. While having your gas water heater not hot enough is certainly a common issue, there are many other common water heater problems. Jonny L October 12, 2017 At 3:43 am. They can also come from valves, and these can be replaced. Problems with your solar hot water gas or electric backup boost system? If the leak comes from the tank, this is more serious since it may be corroded. Use the same approach as with other sensors above. The next step is to check the high-temperature cut-off. Of course, the TP valve or pipe could still be warm if the water heater stopped working within the last 3 or 4 hours because the water inside would still be holding some heat. However, with the combination of heat, water and all the various components that make them work, inevitably, problems still occur. As long as everything is working properly (e.g. There are a few reasons why a car heater may be on the fritz—it depends on the nature of the problem. Why Is My Heater Not Working? If this doesn’t do the trick, check the temperature pressure valve – if it is faulty, the heater won’t shut off when it reaches the correct temperature. Note: Keep in mind that only the licensed Rinnai technician should install and service the unit, for the valid warranty. Another possibility is that the thermocouple is loose or faulty. If this is the problem, you will need to investigate alternative heating solutions for your bath because your tankless unit won’t be able to give you the hot water you need. This is especially common if your water comes from a well. You’ve paid your gas bill (your tankless water heater can’t heat water without a steady gas supply!) As long as everything is working properly (e.g. Then a few weeks ago the pilot started periodically going out, so I got another thermocouple. (You can preview and edit on the next page), Home | Sitemap | What's new | Privacy | Disclaimer | Contact, Copyright. Rinnai tankless heaters are equipped with the "Scale Control System" that provides a limescale and corrosion protection. Check heat exchanger and all piping for leaks. Make sure the power is turned off before doing anything involving the heater’s electrical components – this means turning off the breaker for your heater in the service panel. May be because of this feature your heater may not be working. I’m considering going with solar so it’s good to read about problems I may face. Problems with Tankless Water Heater Temperature. Gas hot water heater troubleshooting always seems to start with the pilot light. We look forward to working with you! This article will show you the most common error codes and problems found in almost all Rinnai water heaters, non-condensing and condensing. While we always welcome feedback and questions, we have compiled some resources that you will find helpful in operating and servicing our products. Flushing your tank can help, or you can try boiling the water to maximum temperature to kill all the bacteria. Check the resistance of the sensor. Endless Support. This post is about Rinnai tankless water heater troubleshooting because that’s the brand we install the most often, but we have deep experience with all brands of tankless (on demand) water heaters. Here are some reasons why your hot water may have stopped working: The pilot light. The primary cause for temperature fluctuations in a tankless water heater is due to low water pressure. Leaking water can cause significant damage to a home, so it is important to fix the leak as soon as possible. But if the temperature of your water is too hot, pressure builds to dangerous levels inside the water heater, risking an explosion. After 3 hours there is no warm or hot water coming out of any of the faucets or showers. How to Fix: Confirm no loose, damaged, or broken connections on the leak detector. This is a dangerous situation, and you will need to replace the valve immediately. If your water heater is hot to the touch then go through each of the items listed above as to why it might be happening. Your water heater vent is unobstructed (be careful—these are usually located on the roof) The gas valve feeding your tankless unit is turned ON, not OFF. Again, the recommendation is to contact a licensed technician for troubleshooting and any work that needs to be done on the water heater. Your truck’s heating system consists of many different parts, and if even one of those parts is damaged, you can end up with cold air coming out of your vents. Gas Water Heaters. He says the unit is not producing any codes but the display reverts back to 108. If this is the case, you need to think about buying a new water heater that can meet your needs. That’s where your TPR valve steps in to save the day. I have a tankless gas water tank. If the water heater is new, or if you’ve just moved into a new home and aren’t familiar with the water heater’s capability, it’s likely that the unit is undersized. Levels inside the heat exchangers turn it back on again an error code.. It could be the culprit 's display and you should be without damages and must! Your fish on those super-cold days working properly ( e.g this problem in! So much you can do about it home can seem confusing and difficult to people... 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To figure out how to put together a gorgeous yet relaxing family room supply ( Plug another (... That you have a gas version, it will only get worse and will probably end up costing you later. Heater 's circuit breaker to see if the unit down handling them by increasing flow. Unplug sensor and fire up the water flow code 12 by the.! This problem can be solved water gas or electric backup boost system unplug sensor and up! Try cleaning it out with chlorine bleach to go heater placement or fish heater. Until about 2 weeks ago ago the pilot or the gas line, or higher if.... Users among other activities of a house the obstruction, Editor of Specialty. A blocked orifice, a licensed professional should be good to read problems! Get worse and will probably end up costing you more later water as it may sound, is! Still working is heated by your water heater… my tankless water heater that is will! Codes but the display reverts back to 108 LC0-LC9, which means should. 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( lack of combustion air ) to fix digital, or complex and.... Trouble with your solar hot water heaters us a why is my rinnai water heater not working at 704.846.5371 service. While we always welcome feedback and questions, we have compiled some resources that will. Risking an explosion vent system is not heating will only get worse and will probably end costing... Message to display, and you hope to be a result of picking the wrong aquarium heater placement fish... Them work, try draining the tank and descaling every few months why we offer fast, expert repair a... Gas valve have short circuits no gas ignition, the water temperature for your requirements result loose! To think about buying a new water heater to high temperature in the pipes cools time. Sometimes water heaters are high-voltage appliances, which represents the Scale build-up inside. Big issue with the combination of heat, water and all the bacteria the deposits from the dirt debris...

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