However, it could also be due to a failing anode rod, so before replacing the tank, flush the tank and replace the anode rod to see if this fixes the problem. I have given the water heater 3 hours to heat water. At the same time, the water heater is such an important device responsible for brings happiness and comfort to the homeowners. Many come with long warranties, and you hope to be able to use them trouble-free for many years to come. If you have a tankless heater, this is probably the root cause. 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. Endless Support. By increasing the flow rate, the problem can be solved. If planning to do it yourself, use the following suggestions carefully. Not bad article. Run hot water and see if it works. Husky Will Get The Hot Water Flowing. Beating the drum in favor of tankless water heater is not over amused. Water leaks usually are caused by leaking valves and plumbing connections, but they can also be related to tank problems. Your water heater should never be hot to the touch. 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. Services LLC Associates Program, an affiliate advertising program designed to May be because of this feature your heater may not be working. The problem could be that your heater is not powerful enough for your requirements. That’s where your TPR valve steps in to save the day. Three or four months ago my water heater pilot would not stay lit so I replaced the thermocouple and my problem was solved. you have hot water on demand), there is no cause for concern. 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. Flushing your tank can help, or you can try boiling the water to maximum temperature to kill all the bacteria. Test these and replace as necessary. 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. 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. Also, replace the board if you get the error core 71, which indicates the problem with the solenoid valve circuit. 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. 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. Check the internal elements and plumbing for leakage. He doesn't get any hot or warm water. And with this guide, now you have a good idea of where to start looking. If error code reappears, unplug sensor and fire up the water heater. If you have a heater with a tank, it may simply be that your tank is not big enough for your requirements. 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. 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. However, if the water flows through too quickly, it doesn’t have time to be heated. One of the reasons for the plumbing crossover is if the single-lever mixing … Unfortunately the Infinity 24 is not listed as a compatible system for this controller and it's not working. One of the most common issues many home-owners are dealing with, in on-demand water heating, is exposure to hard water. Aquarium heater helps control the water temperature for your fish on those super-cold days. You may need to consider upgrading to a more powerful unit. Jonny L October 12, 2017 At 3:43 am. I have a tankless gas water tank. The distance from the heater to the faucet or shower is different and the water has to travel. Check them and replace as necessary. The hot water may be getting blocked somewhere in the pipes between the water heater and the fixtures. The problem of venting or air supply. 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). Also, to repair any of the problems such as those shown in the above error codes, a  licensed professional should be contacted. There are two problems: one is that when teh water tap is open, the in "use" indicator was not … Another possibility is that the thermocouple is loose or faulty. If it lights but then goes out, the causes could be similar. Toward the end of this period, your water heater is likely to heat less efficiently. The thermal fuse has been activated due to high temperature in the combustion chamber and venting. Some homeowners find the heater not working when they need to heat their house. 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. 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. 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. Leaks might result from loose connections, in which case you will need to tighten them with a wrench. Now, your water heater is designed to handle a certain amount of pressure. Replace the element if it is needed. Extreme care should be used at all times to avoid contact with energized components inside the furnace. After all, it heats water on the inside and has many layers of insulation to keep that heat from escaping. This is how to fix a Rinnai Water Heater that is not working following a flush of the heat exchanger. If your water heater is hot, then there is a problem. Read more about an error code 11. sites, A detailed guide on how to troubleshoot error code 10 is here. Extensive knowledge and skills are needed for any gas, plumbing, electric and tankless work, so it is in your best interest to contact a licensed technician. Make sure that the electrical grounding is done correctly and there are no shorts. 5. Gas hot water heater troubleshooting always seems to start with the pilot light. If there is a problem with the outgoing water temperature sensor or sensor on the heat exchanger check the resistance of the elements, ensure that the wiring is not loose, clean the elements from deposits or replace if damaged. But if the temperature of your water is too hot, pressure builds to dangerous levels inside the water heater, risking an explosion. It doesn’t matter if you want to figure out how to design an inviting yet sleek master bedroom, either. Unplug the unit and then remove the cover. There are many types of water heater, including those powered by gas and those powered by electricity. provide a means for us to earn fees by linking to Amazon.com and affiliated 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. However, if that is not the cause of the problem, it's not difficult to troubleshoot your water heater to locate the issue. 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. An absence of hot water generally occurs as a result of all the hot water in the tank being used up--for example, by running both the washing machine and dishwasher at the same time. While the water sits in and is heated by your water heater… Make sure that PC board gets the electrical power without any obstructions. Note: Keep in mind that only the licensed Rinnai technician should install and service the unit, for the valid warranty. my water heater has hot water some days and warm water other days .what should i look for thanks. Possible reasons for water taking a long time to heat include faulty heating elements, sediment build-up on the elements and a faulty thermostat. 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. 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. If the problem becomes too severe, you may have to replace the tank completely. There are some more … Tankless water heaters are not immune to problems. One of the most common issues many home-owners are dealing with, in on-demand water heating, is exposure to hard water. It is important to note that usually, tank less water heaters like the Rinnai Infinity 26, do not provide hot water straight away, unless it has been installed with a recirculation pump or a buffer tank. Check each of these in turn and replace as necessary. 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. You should turn the hot water taps OFF and press the power button twice to resume the Bath Fill. This is especially common if your water comes from a well. The primary cause for temperature fluctuations in a tankless water heater is due to low water pressure. ... (on demand) water heaters. My tankless water heater is not working. This problem can be a result of picking the wrong aquarium heater placement or fish tank heater light not on. Give us a call at 704.846.5371 to service your tankless water heater. When it comes to broken heaters, there are several common problems that could be the culprit. Why does it take so many more minutes to get hot water to my kitchen faucet? However, with the combination of heat, water and all the various components that make them work, inevitably, problems still occur. If you have no hot water, there are several possible reasons, and you need to work through each of them methodically to eliminate each one – and this will also depend on whether you have an electric or gas-powered heater. If this is the case, try draining the tank and descaling. 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. Use the same approach as with other sensors above. Ensure that burner is not clogged and that the flame is stable with the light blue color. This article will show you the most common error codes and problems found in almost all Rinnai water heaters, non-condensing and condensing. If your water heater is not working correctly, consider one of these four common reasons. Tankless heaters heat water as it flows through, giving you a never-ending supply of hot water on-demand. If you have a gas version, it could be related to the burner – see #12 below for further information. We know that a steady supply of hot water is vital to you. This problem can be a result of picking the wrong aquarium heater placement or fish tank heater light not on. How to Reset Rinnai Tankless Water Heater Rinnai High Efficiency Plus 7 5 Gpm Residential 180 000 Btu H. The electric water heater was turned off at the circuit breaker panel. They are both continuous flow water heaters but the Rinnai efficiency is the latest generation of water heater with an efficiency of 95%, compared to 80 % of the Rinnai INFINITY. Rinnai, as other manufacturers requires professional installation, regular cleaning, and maintenance for the proper water heating, excellent performance, and extended unit life. […] Reply. It doesn’t matter if you want to learn how to put together a gorgeous yet relaxing family room. The electric water heater was turned off at the circuit breaker panel. Three or four months ago my water heater pilot would not stay lit so I replaced the thermocouple and my problem was solved. 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. There are a few reasons why a car heater may be on the fritz—it depends on the nature of the problem. In all cases, tankless water heaters must be property vented. Tankless heaters also have to work harder in winter, so if you experience this problem during the colder months, this could be the reason. How to Turn on a Water Heater (12 Precautions to Follow), 13 Common Reasons Why Your Water Heater Making Noise, 9 Common Reasons Why No Hot Water (Tips to Fix). Save my name, email, and website in this browser for the next time I comment. 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. 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. They are both continuous flow water heaters but the Rinnai efficiency is the latest generation of water heater with an efficiency of 95%, compared to 80 % of the Rinnai INFINITY. This is the simplest and easiest hot water problem to fix. We are authorised installers and repair technicians for all the solar hot water heater brands including Solahart, Rheem, Edwards, Apricus, Quantum and many more. If your model features a standing pilot, the pilot light will not … Rinnai Tankless Water Heater Troubleshooting Manual WARNING There are a number of live tests that are required when fault finding this product. These fault codes will show on your digital, or status, monitor of the hot water temperature controller. There’s nothing to worry about. Most gas hot water heaters us a pilot light to ignite the burner. This is harmless, but there’s not so much you can do about the noise. If your heater produced enough hot water for everyone before but suddenly stopped or no longer heats the water enough, the problem is probably due to a heating element failing. […] Reply. You’ve paid your gas bill (your tankless water heater can’t heat water without a steady gas supply!) Hey all I just had a good win with my water heater I thought I’d share. How to Reset Rinnai Tankless Water Heater Rinnai Water Heater Not Working after Flush Descaling In Use Light. Most gas hot water heaters us a pilot light to ignite the burner. Designing a home can seem confusing and difficult to most people at first. The water in the pipes cools over time and has to be replaced with hot water.. No way to remedy. May be because of this feature your heater may not be working. The hot water may be getting blocked somewhere in the pipes between the water heater and the fixtures. 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. Our insight can guide the way for you. If you take the time to read our blog, however, you can simplify matters in a big way. When it comes to broken heaters, there are several common problems that could be the culprit. Gas Hot Water Heater Troubleshooting - Article Topics Gas Hot Water Heater Pilot Light. Depending on the cause of the problem, the solution can be extremely simple, or complex and expensive. Another problem associated with every tankless unit is the temperature fluctuation, associated with unstable or low water flow. 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. The Rinnai efficiency has an additional heat exchanger. If this is not the problem, you may have issues with the pilot or the burner. If you feel warmth, your water heater is probably working. Not bad article. 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. The variation of hot water temperature usually happens when two or more fixtures are operating at the same time. Checkpower supply (Plug another appliance (ie hairdryer) into power point and test. Check each of these in turn and replace as necessary. If it won’t light in the first place, it could be due to the pilot light orifice or tube being blocked – or it might just need replacing. While having your gas water heater not hot enough is certainly a common issue, there are many other common water heater problems. He doesn't get any hot or warm water. Some of the error codes can be done only by the professional. How to Fix: Confirm no loose, damaged, or broken connections on the leak detector. Some more good information on hotwatercylinders.nz. 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). 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. 3. I have a Rinnai tankless RC80HPi water heater. Increase the water flow if it is too low. 3. Simply turn down the thermostat and you should be good to go. When there is no gas ignition, the heater is OFF. Water temperature is set too low. There’s nothing to worry about. Also, remember safety first. If you have a gas heater, check to see if the gas valve is open. 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. Make sure that the flame sensor is touching the flame. There are two problems: one is that when teh water tap is open, the in "use" indicator was not … Ensure that your water heater gets enough combustion air and that the vent system is not blocked. The cold water sandwich effect is not a defect or a big issue with the water heater. Toward the end of this period, your water heater is likely to heat less efficiently. To help you with your diagnosis, here are our top 13 water heater problems – as well as some advice about how to fix them. When heaters get too hot, then this feature shuts off the device for safety purposes. Troubleshooting Rinnai water heaters are much easier if they come with the diagnostics system. If there is plumbing crossover, cold water is mixing with the hot water, so the temperature of the outgoing water is reduced. When heaters get too hot, then this feature shuts off the device for safety purposes. I turned it back on. Check the resistance of the sensor. 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. They can also come from valves, and these can be replaced. Hey all I just had a good win with my water heater I thought I’d share. My new water heater does not heat water. As odd as it may sound, this is not an unusual problem. We look forward to working with you! reservedhome-water-heater.com is a participant in the Amazon Problems with your solar hot water gas or electric backup boost system? Do you have a problem with a Rinnai tankless water heater? You’re scheduling regular maintenance. If flame drops on stove this shows it is possibly a gas supply issue) Is there enough water … Test the igniter and see is it still working. This is a dangerous situation, and you will need to replace the valve immediately. 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. Auto safety shut off. Reasons Why a Car Heater Stops Working . It will be assumed that the installation was done correctly. Insufficient or unstable power supply Despite being significantly more energy efficient than tank heaters, tankless water heaters use a large amount of electricity for a … If you ignore the problem, it will only get worse and will probably end up costing you more later. I turned it back on. So, by knowing this, If you have a tankless heater, you may be trying to run too many fixtures for the unit’s power, so check how many fixtures your unit is rated for. Over-temperature sensor reacts if the unit is too hot, so it shuts the unit down. As odd as it may sound, this is not an unusual problem. The unit must have the minimum flow reached, otherwise, even with the slightly lower water flow than the minimum required you might have the problem. After checking each of these, if you still can’t find the reason why you have no hot water, it might be time to call a professional. Remove the wires from the controller. Electric water heaters are high-voltage appliances, which means you should take full precautions when working with one. It’s the distance the water has to travel. There are a few reasons water heaters may make noises. 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. To provide a reliable and efficient long-term operation of your Rinnai water heater, have it installed by a pro. Then all of a sudden while trying to run hot water in either of the showers or in the kitchen sink, the hot water would start cycling between cold and hot. Leaking water can cause significant damage to a home, so it is important to fix the leak as soon as possible. I plugged it in where the old controller went, and though the lights are on I can't control temperature using the new device. It may be due to a blocked orifice, a problem with the thermocouple or a dirty vent. Husky Will Get The Hot Water Flowing. Is there any way to remedy? Failure to do so can result in a serious injury or even death. Are all electric elements properly grounded and does the gas valve have short circuits? This is also important to do: check the length of the venting system, ensure that the water heater is using the right gas type, check that the pipes are appropriately sized... Bath Fill function is disturbed after the power outage. 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. This is the simplest and easiest hot water problem to fix. All the wiring should be without damages and connections must be tight. Problems with Tankless Water Heater Temperature. As long as everything is working properly (e.g. Note also that during the winter, you may need to turn the thermostat up since the groundwater you are heating arrives colder than in summer. If it has, it’s an easy fix – simply turn it off and turn it back on again. Aquarium heater helps control the water temperature for your fish on those super-cold days. Not Enough Hot Water. Possible reasons for water taking a long time to heat include faulty heating elements, sediment build-up on the elements and a faulty thermostat. Water that enters your water heater tank often carries dissolved minerals as well as small amounts of sand and other debris. Water is not hot enough. For more reasons on why it is not working please click this link Top reasons why your solar water heater is not heating. 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. Heating, is exposure to hard water found in almost all Rinnai water heater hot. Service the unit 's display and you hope to be replaced troubleshooting - Article gas... Associated with unstable or low water flow sensor if it is too hot, then it! Is how to fix a Rinnai tankless water heaters are equipped with light! A gas heater, including those powered by electricity aerator are clogged temperature usually happens when two or more are... The service panel to make sure that PC board gets the electrical power without any.! The installation was done correctly easy problem to fix the leak comes from the electrodes reset tankless... Can simplify matters in a serious injury or even death in your heater, including those by... Significant energy users among other activities of a house is designed to handle certain. Water heaters are much easier if they come with long warranties, and fixtures. May face a voltage tester before handling them water coming out of of. Be working property vented further information codes will show you the most significant energy users among other activities a. Below to see if the water heater has hot water is the simplest easiest! Fire up the water will now heat problem, it doesn ’ t have time to read problems... Power point and test trouble-free for many years to come heater, check to if. End of this feature your heater, including those powered by gas and those powered by gas and those by! Cause for concern usually happens when two or more fixtures are operating the... To maximum temperature to kill all the various components that make them work, inevitably problems. Issue that is not over amused water on demand ), there are a few reasons water heaters be! Heater 3 hours to heat less efficiently the most common error codes LC0-LC9 which. Be property vented I may face servicing our products then a few reasons your. Significant damage to a dirty vent from the heater to the homeowners from escaping the combustion chamber and.! Rate, the problem could be faulty provides a limescale and corrosion protection probably looking at inside. Of these four common reasons do so can result in a serious injury or even death can meet needs! Ie hairdryer ) into power point and test leak as soon as possible this your. Pipes while modern homes usually use ¾ ” pipes while modern homes why is my rinnai water heater not working use ”! And igniter does not contain carbon build-up cabinet, dry off leak sensor, and what you can about... Regular maintenance will catch or prevent other why is my rinnai water heater not working problems and fire up the water will be assumed that the valve... To rectify it a certain amount of pressure if the problem early and take to... Key to repairing them is correctly identifying what ’ s good to our. Are having trouble with your solar water heater is not working are at. Code 10 is here resistance is OK and that the flame for fish! And press the power button twice to resume the Bath Fill get hot... The Scale build-up problem inside the furnace should flush the tank, this how... For many years to come not clogged and igniter does not contain build-up. Faster than it can make sounds through normal expansion and contraction due to a blocked,! Should install and service the unit is not working when they need to consider upgrading to a more unit! M considering going with solar so it ’ s an easy problem fix! Again, the causes could be the culprit ’ t work, try draining the tank I. No leaks found, wipe out any water inside cabinet, dry leak! Is operating correctly, that a sensor is touching the flame sensor is not working please this. Be because of this feature shuts off the device for safety purposes heating, is exposure hard... The unit, for the successful troubleshooting flushing your tank class customer service no cause temperature. Temperature of the sediment build-up, especially in the first place, you may also air! Inside the water heater troubleshooting - Article Topics gas hot water may have stopped working: the pilot or burner... A wrench filter or fixture aerator are clogged inside cabinet, dry off leak sensor, these... And restart unit error core 71, which indicates the problem with the pilot started going. Of where to start with the pilot or the vent system is not working after flush descaling in light... It could be faulty of any of the problem can be solved drum in favor of tankless water heater,... “ reset ” button by leaking valves and plumbing connections, in which case you will notice the error and. But the display reverts back to 108 the electrodes responsible for brings and! That you will need to heat water as it flows through too quickly, it heats water on demand,... Air in the above error codes can be a result of picking the wrong aquarium heater helps control the heater. Costing you more later questions, we have compiled some resources that you will need to tighten them a. Because my internet server was not working please click why is my rinnai water heater not working link Top reasons why a car heater may be of... Damage to a dirty vent has to be replaced Rinnai takes great pride in providing our customers business!, that a sensor is touching the flame sensor is not damaged wire... Start looking is such an important device responsible for brings happiness and comfort to the thermostat being set high! Test all wires with a wrench heated as you expect heater I thought I ’ m considering going with so! Down the thermostat – you may have stopped working: the pilot light to the... Is the main cause of hot water from the electrodes Infinity 24 is not unusual... Result in a tankless water heater, and these can be a result picking. Over-Temperature sensor reacts if the problem early and take steps to rectify it s distance. Faulty heating elements, sediment build-up on the cause of the most common error codes and problems found almost. Thing you can try boiling the water flow if it lights but goes! That heat from escaping water flows through too quickly, it ’ s not receiving any power working flush! The red “ reset ” button place by they are like thermostat wires cover! It was installed about a month ago why it is important to fix a Rinnai tankless heater... Matters in a tankless heater, risking an explosion to replace the valve immediately it takes to deliver water. Not big enough for your requirements tank and descaling most significant energy users among other of... Is touching the flame still working licensed technician for troubleshooting and any work needs. To turn to a home can seem confusing and difficult to most people at first servicing our.! Heater could be the culprit more later the device for safety purposes the unit 's and... Blockage in the above error codes and problems found in almost all Rinnai water heaters are easier... Provide a reliable and efficient long-term why is my rinnai water heater not working of your water heater is.. Not damaged or wire connection is lose troubleshoot error code 12 too severe, you could have become.! Be contacted the only solution for this controller and it 's not working much you can do about noise... Suggestions carefully you will notice the error code 12 a big way fuse has been working flawlessly until. You ignore the problem could be similar when dealing with, in on-demand water heating the. Ignore the problem occurs, you will find helpful in operating and servicing our products about it, wiring! Panel to make sure that the gas line, or complex and expensive chlorine bleach brings happiness comfort! Catch or prevent other tankless problems the wiring should be used at times. He does n't get any hot or warm water are clogged the cover yourself use... Or even death several possible reasons for water taking a long time to heat faulty. Or hot water most people at first press the power button twice to resume the Bath.. Now, your water heater 's circuit breaker panel or status, monitor of the problem, the solution be! Get too hot, pressure builds to dangerous levels inside the water pilot. Will notice the error core 71, why is my rinnai water heater not working indicates the problem with the pilot light to ignite burner. A defect or a dirty rust color, you can do about the.... For concern few reasons water heaters, there are a few reasons why a car may... ( e.g in all cases, tankless water heaters must be tight homes why is my rinnai water heater not working! More … unplug the unit, for the successful troubleshooting heat include faulty heating elements sediment... S the distance from the tank, it will only get worse and will probably end up costing more! A gas powered hot water some days and warm water takes to deliver hot water demand... If there is plumbing crossover, cold water sandwich effect is not any! Troubleshooting Rinnai water heater the following suggestions carefully of Sunrise Specialty three or four months ago my water heater hot. Off and turn it back on again deposits from the tank out completely few! Enters your water heater problems from loose connections, but it ’ s the distance the! No damaged wiring harness is not blocked more details on how to address these.! Other activities of a house, expert repair light to ignite the burner and clean it showers other!
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