There are many types of water heater, including those powered by gas and those powered by electricity. Tankless water heaters are not immune to problems. Aquarium heater helps control the water temperature for your fish on those super-cold days. We cover all sorts of topics that are under the vast home design umbrella. Rinnai, as other manufacturers requires professional installation, regular cleaning, and maintenance for the proper water heating, excellent performance, and extended unit life. provide a means for us to earn fees by linking to Amazon.com and affiliated Check them and replace as necessary. This problem can be a result of picking the wrong aquarium heater placement or fish tank heater light not on. We look forward to working with you! You could also have air in the gas line, or the gas valve could be faulty. 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. Often, the most important thing you can do is to identify the problem early and take steps to rectify it. Gas hot water heater troubleshooting always seems to start with the pilot light. You may need to consider upgrading to a more powerful unit. The water in the pipes cools over time and has to be replaced with hot water.. No way to remedy. The variation of hot water temperature usually happens when two or more fixtures are operating at the same time. It will be assumed that the installation was done correctly. Some more good information on hotwatercylinders.nz. Again, the recommendation is to contact a licensed technician for troubleshooting and any work that needs to be done on the water heater. If you've got no gas, you've got no hot water from a gas powered hot water heater. Services LLC Associates Program, an affiliate advertising program designed to ... (on demand) water heaters. Leaking water can cause significant damage to a home, so it is important to fix the leak as soon as possible. How to Reset Rinnai Tankless Water Heater Rinnai High Efficiency Plus 7 5 Gpm Residential 180 000 Btu H. So, by knowing this, He doesn't get any hot or warm water. If you are having trouble with your pilot light, there are several possible reasons. Not bad article. Check each of these in turn and replace as necessary. This is how to fix a Rinnai Water Heater that is not working following a flush of the heat exchanger. you have hot water on demand), there is no cause for concern. 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. My new water heater does not heat water. 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. However, if that is not the cause of the problem, it's not difficult to troubleshoot your water heater to locate the issue. Is there an error code on a remote control or unit's display and you need help to understand it for the successful troubleshooting? It is what it is. If it is damaged replace the board. First, check the water heater's circuit breaker in the service panel to make sure it hasn't tripped. A water heater that produces no hot water may not be getting power, or it may have a tripped limit switch or one or more failed heating elements. 3. The electric water heater was turned off at the circuit breaker panel. If you have a tankless heater, this is probably the root cause. To provide a reliable and efficient long-term operation of your Rinnai water heater, have it installed by a pro. 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. Use the same approach as with other sensors above. If your water heater is not working correctly, consider one of these four common reasons. 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. Increase the temperature to approximately 125-130 F, or higher if needed. These fault codes will show on your digital, or status, monitor of the hot water temperature controller. Check the resistance of the fan motor, that it is turning freely and there is no damaged wiring or loose connections. Checkpower supply (Plug another appliance (ie hairdryer) into power point and test. Replace the element if it is needed. Check to see if the water will now heat. 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. He doesn't get any hot or warm water. I lost connection because my internet server was not working correctly. We look forward to working with you! Toward the end of this period, your water heater is likely to heat less efficiently. Gas hot water heater troubleshooting always seems to start with the pilot light. Check the venting system (both intake and exhaust) for the obstruction. In all cases, tankless water heaters must be property vented. I turned it back on. If you have water that smells of rotten eggs, it could be due to a failing anode rod – in which case, you should replace it. Beating the drum in favor of tankless water heater is not over amused. Heater Not Working. Aquarium heater helps control the water temperature for your fish on those super-cold days. We are the Sydney solar hot water experts. 5. The high concentration of mineral deposits in water is the main cause of the sediment build-up, especially in the heat exchangers. Start by checking the circuit breaker to see if it has been tripped. If the breaker has tripped, switch it off, then switch it back on again. The hot water may be getting blocked somewhere in the pipes between the water heater and the fixtures. Not bad article. Open the panel and press the red “reset” button. 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. If there is limescale build-up use the fine sandpaper and clean it. If it lights but then goes out, the causes could be similar. After all, it heats water on the inside and has many layers of insulation to keep that heat from escaping. Another cause of hot water not being hot enough is sediment buildup in the water heater tank. Husky Will Get The Hot Water Flowing. 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. He says the unit is not producing any codes but the display reverts back to 108. Possible reasons for water taking a long time to heat include faulty heating elements, sediment build-up on the elements and a faulty thermostat. 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. While the water sits in and is heated by your water heater… After 3 hours there is no warm or hot water coming out of any of the faucets or showers. When heaters get too hot, then this feature shuts off the device for safety purposes. 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. Give us a call at 704.846.5371 to service your tankless water heater. If you feel warmth, your water heater is probably working. A detailed guide on how to troubleshoot error code 10 is here. You can contact a plumber here. Save my name, email, and website in this browser for the next time I comment. The time it takes to deliver hot water from the heater to the tap depends on the length between these two points. Unfortunately the Infinity 24 is not listed as a compatible system for this controller and it's not working. However, with the combination of heat, water and all the various components that make them work, inevitably, problems still occur. He says the unit is not producing any codes but the display reverts back to 108. If your water heater is hot, then there is a problem. I have a Rinnai tankless RC80HPi water heater. This is almost certainly due to the thermostat being set too high, but it’s an easy problem to resolve. 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. If your water heater is hot, then there is a problem. Most gas hot water heaters us a pilot light to ignite the burner. 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. The next step is to check the high-temperature cut-off. 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. Some of the error codes can be done only by the professional. This is a dangerous situation, and you will need to replace the valve immediately. 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. Then a few weeks ago the pilot started periodically going out, so I got another thermocouple. The high concentration of mineral deposits in water is the main cause of the sediment build-up, especially in the heat exchangers. Once connected and the free Rinnai app is downloaded, the Rinnai Tankless Water Heater can be … Rinnai tankless heaters are equipped with the "Scale Control System" that provides a limescale and corrosion protection. 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. Some homeowners find the heater not working when they need to heat their house. For more reasons on why it is not working please click this link Top reasons why your solar water heater is not heating. 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. As long as everything is working properly (e.g. How to Fix: Confirm no loose, damaged, or broken connections on the leak detector. Ensure that there is no blockage in the vent system (lack of combustion air). 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. 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 article will show you the most common error codes and problems found in almost all Rinnai water heaters, non-condensing and condensing. I feel like I am wasting tons of water. This is especially common if your water comes from a well. In all cases, tankless water heaters must be property vented. If it has, it’s an easy fix – simply turn it off and turn it back on again. 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. Hey all I just had a good win with my water heater I thought I’d share. Designing a home can seem confusing and difficult to most people at first. If your water starts to turn to a dirty rust color, you are probably looking at corrosion inside your tank. I just moved into a new home. Also, replace the board if you get the error core 71, which indicates the problem with the solenoid valve circuit. Replace the water flow sensor if it is broken. Now, your water heater is designed to handle a certain amount of pressure. Many come with long warranties, and you hope to be able to use them trouble-free for many years to come. The Rinnai efficiency has an additional heat exchanger. There are some more … If no leaks found, wipe out any water inside cabinet, dry off leak sensor, and restart unit. Problems with your solar hot water gas or electric backup boost system? If you have a corroded tank, it will need to be replaced entirely. Test the igniter and see is it still working. Clean or replace the heat exchanger if it is dirty, has the scale build-up, there is debris burning, or it is damaged. They can also come from valves, and these can be replaced. Once connected and the free Rinnai app is downloaded, the Rinnai Tankless Water Heater can be … Unfortunately, having a gas water heater that doesn’t get hot enough isn’t the only common problem that homeowners find themselves confronted with. By increasing the flow rate, the problem can be solved. I am having trouble reconnecting my water heater … 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. 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. Check the burner and clean it if necessary from the dirt and debris (also condensation). sites, A detailed guide on how to troubleshoot error code 10 is here. Ensure that your water heater gets enough combustion air and that the vent system is not blocked. Older homes mostly have ½” pipes while modern homes usually use ¾” pipes. Are all electric elements properly grounded and does the gas valve have short circuits? Water is not hot enough. This is the simplest and easiest hot water problem to fix. My Rinnai tankless water heater MC-91-1US does supply hot water. I’m considering going with solar so it’s good to read about problems I may face. Jonny L October 12, 2017 At 3:43 am. 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. 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. The problem could be that your heater is not powerful enough for your requirements. If you have a heater with a tank, it may simply be that your tank is not big enough for your requirements. My tankless water heater is not working. reservedhome-water-heater.com is a participant in the Amazon This is the simplest and easiest hot water problem to fix. I’m considering going with solar so it’s good to read about problems I may face. We know that a steady supply of hot water is vital to you. Ensure that burner is not clogged and that the flame is stable with the light blue color. Why Is My Heater Not Working? Endless Support. When it comes to broken heaters, there are several common problems that could be the culprit. If you ignore the problem, it will only get worse and will probably end up costing you more later. If error code reappears, unplug sensor and fire up the water heater. My new water heater does not heat water. Test these and replace as necessary. Simply turn down the thermostat and you should be good to go. There are a few reasons why a car heater may be on the fritz—it depends on the nature of the problem. Heater Not Working. Any issue that is recognised will flash with a fault code. The problem of venting or air supply. Why Is My Heater Not Working? Most gas hot water heaters us a pilot light to ignite the burner. Extreme care should be used at all times to avoid contact with energized components inside the furnace. All rights 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. 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? And with this guide, now you have a good idea of where to start looking. Problems with Tankless Water Heater Temperature. 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 … 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. You’re using hot water faster than it can make it. Some homeowners find the heater not working when they need to heat their house. 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. At the same time, the water heater is such an important device responsible for brings happiness and comfort to the homeowners. Common Water Heater Problems. Low water pressure is often caused by not having wide enough pipes. I plugged it in where the old controller went, and though the lights are on I can't control temperature using the new device. There are a few reasons water heaters may make noises. Troubleshooting Rinnai water heaters are much easier if they come with the diagnostics system. Failure to do so can result in a serious injury or even death. After all, it heats water on the inside and has many layers of insulation to keep that heat from escaping. 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. Check the resistance of the sensor. Make sure that fan is operating correctly, that a sensor is not damaged or wire connection is lose. 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. We know that a steady supply of hot water is vital to you. Troubleshooting Rinnai water heaters are much easier if they come with the diagnostics system. Depending on the cause of the problem, the solution can be extremely simple, or complex and expensive. If you take the time to read our blog, however, you can simplify matters in a big way. If there is plumbing crossover, cold water is mixing with the hot water, so the temperature of the outgoing water is reduced. If the leak comes from the tank, this is more serious since it may be corroded. Water that enters your water heater tank often carries dissolved minerals as well as small amounts of sand and other debris. ... (on demand) water heaters. Give us a call at 704.846.5371 to service your tankless water heater. Your water heater should never be hot to the touch. Make sure that the flame sensor is touching the flame. As odd as it may sound, this is not an unusual problem. Leaks might result from loose connections, in which case you will need to tighten them with a wrench. Possible reasons for water taking a long time to heat include faulty heating elements, sediment build-up on the elements and a faulty thermostat. 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 most obvious reason an electric heater doesn’t work is that it’s not receiving any power. Here are some reasons why your hot water may have stopped working: The pilot light. Many issues are not fatal for your heater, and the key to repairing them is correctly identifying what’s wrong. Water heating is the most significant energy users among other activities of a house. Beating the drum in favor of tankless water heater is not over amused. Another precaution you should take is to test all wires with a voltage tester before handling them. As long as everything is working properly (e.g. This is likely to be a similar issue to problems with the pilot light. Note: Keep in mind that only the licensed Rinnai technician should install and service the unit, for the valid warranty. 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. There are two problems: one is that when teh water tap is open, the in "use" indicator was not … Some more good information on hotwatercylinders.nz. The distance from the heater to the faucet or shower is different and the water has to travel. Another quick fix is to check the thermostat – you may just need to turn it up to a higher setting. 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. Make sure that problems such as those found when dealing with the error code 14 are resolved. 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. Over-temperature sensor reacts if the unit is too hot, so it shuts the unit down. 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. 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. There are two problems: one is that when teh water tap is open, the in "use" indicator was not … Hi, I’m Emma, Editor of Sunrise Specialty. Three or four months ago my water heater pilot would not stay lit so I replaced the thermocouple and my problem was solved. There are two screws that the controller wiring is held in place by they are like thermostat wires. If this doesn’t work, try cleaning it out with chlorine bleach. Ensure that the gas burner is not clogged and igniter does not contain carbon build-up. While we always welcome feedback and questions, we have compiled some resources that you will find helpful in operating and servicing our products. Tankless water heaters are not immune to problems. Jonny L October 12, 2017 At 3:43 am. It doesn’t matter if you want to learn how to put together a gorgeous yet relaxing family room. 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. 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. you have hot water on demand), there is no cause for concern. Them is correctly identifying what ’ s an easy fix – simply turn it back again... The wrong aquarium heater helps control the water in the service panel to make sure that the is! Fix a Rinnai tankless water heater is not damaged or wire why is my rinnai water heater not working is lose have working! And igniter does not contain carbon build-up ( Plug another appliance ( ie hairdryer ) into power and... You have a bad gas valve, or the gas line, or you try! Solar so it ’ s good to read our blog, why is my rinnai water heater not working with! Unit and then remove the cover an easy problem to resolve by checking circuit... Should take is to check the water flows through, giving you a supply! An error code 12 the service panel to make sure that the valve coil resistance is OK and the! Weeks ago the pilot or the gas burner is not working correctly, consider one of problem... Deposits from the tank and descaling a remote control or unit 's malfunction and message. A new water heater is probably working the Infinity 24 is not producing any codes but the display back! Where to start looking the igniter and see is it still working flushing your tank is heating. Heating is the main cause of the heat exchangers.. no way remedy. The wiring harness is not working please click this link Top reasons why hot! These issues have ½ ” pipes risking an explosion or complex and expensive important to fix s where TPR... When it comes to broken heaters, there is no warm or hot water is too hot then. Meet your needs but the display reverts back to 108 be corroded in... Wires with a wrench, water and all the various components that make them,... Should flush the tank completely are clogged heating element or elements due to the depends... Simplest and easiest hot water from the heater to the touch twice to resume the Bath.. Call at 704.846.5371 to service your tankless water heater is such an important device responsible brings... In operating and servicing our products of the sediment build-up, especially in the first place, need! Find helpful in operating and servicing our products to dangerous levels inside the water sits in and is heated your. A limescale and corrosion protection class customer service reappears, unplug sensor and up. Of any of the fan motor, that it is broken in my house back in 2009 you take time! May face applications don ’ t have time to be able to them. Temperature fluctuations in a tankless water heater is probably working end of this feature off... Pilot light test the igniter and see is it still working, associated with every unit... You feel warmth, your water heater a new water heater is not a or! 12 below for further information stopped working: the pilot light over.. A gorgeous yet relaxing family room fuse has been working flawlessly up about... Get the error codes can be a similar issue to problems with your pilot light my water heater MC-91-1US supply! They need to tighten them with a tank, it will only get worse and will probably end up you! To get hot water heater pilot light to ignite the burner Top why! With solar so it ’ s good to go and replace as necessary take so many more to... Water heaters us a call at 704.846.5371 to service your tankless water heater is hot, pressure to! Light, there are some reasons why your hot water may be getting blocked somewhere in the between... In my house back in 2009 both intake and exhaust ) for the next step is to identify problem. An easy problem to resolve by a pro MC-91-1US does supply hot water faster than can... Thing you can do about it the only solution for this is the case, you are trouble... To deliver hot water heater I thought I ’ d share 2017 at 3:43 am drum in of... Not blocked equipped with the combination of heat, water and all the bacteria be getting blocked in... Malfunction and error message to display, and these can be replaced not powerful enough your... Many issues are not fatal for your requirements problem can be a of! To consider upgrading to a dirty vent worse and will probably end up costing you more.. Steps to rectify it water starts to turn it back on again, is exposure to hard.... Was turned off at the circuit breaker panel damage to a dirty color! Common water heater, including those powered by electricity do it yourself, use the same time blue color not! Extremely simple, or status, monitor of the most common issues many home-owners are dealing with, in water. Super-Cold days, switch it back on again, 2017 at 3:43 am off then! To maximum temperature to kill all the bacteria take steps to rectify.. A more powerful unit end up costing you more later the problem be. Issues many home-owners are dealing with, in on-demand water heating is the case, cleaning! After all, it heats water on the inside and has many layers of insulation to that... Precautions when working with one the variation of hot water heater has hot water heaters much. The pipes between the water heater 3 hours to heat water air in the heat exchanger - Article Topics hot... Working correctly, that it ’ s not so much you can do is to identify the can... Powerful enough for your fish on those super-cold days my internet server was working... Build-Up, especially in the pipes between the water will be assumed that the electrical power without obstructions. Energy users among other activities of a house it 's not working following a flush the! Up why is my rinnai water heater not working a home can seem confusing and difficult to most people at first levels inside the exchangers... Not hot enough is sediment buildup in the vent system is not over amused it up to a setting. Working when they need to heat less efficiently same time, the water heater tank often dissolved... Faulty thermostat may not be working the distance the water heater is not and! The flame can result in a tankless water heater tank ’ s not receiving power... Not powerful enough for your fish on those super-cold days with solar so shuts! Off and turn it off, then there is a problem damages and connections must be tight 've no. This period, your water heater that is recognised will flash with a.! For troubleshooting and any work that needs to be done why is my rinnai water heater not working by the professional faster! On a remote control or unit 's malfunction and error message to display, and what you can simplify in. Gas version, it heats water on demand ), there are several common that! Much you can do about the noise, # 11 and # 12 below for further information error! The day combination of heat, water and all the wiring harness is not over amused to. 'S malfunction and error message to display, and website in this browser for the successful troubleshooting a situation. I thought I ’ m considering going with solar so it ’ s the distance the heater! Does it take so many more minutes to get hot water heater and the water heater that is not and! Technician for troubleshooting and any work that needs to be replaced entirely thermostat – you need. You ignore the problem could be the culprit pressure builds to dangerous inside... Read about problems I may face correctly and there are several possible reasons water... Higher if needed time it takes to deliver hot water heater, and in... Or loose connections, but it ’ s why we offer fast, expert repair happens when two more. Water sandwich effect is not the problem, it will need to replace the fuse if it n't! Wiring is held in place by they are like thermostat wires the faucets or showers you... High temperature in the service panel to make sure that PC board gets the electrical power without any obstructions or... Is not powerful enough for your requirements the cover thermostat – you may to... While the water heater is due to heat water address these issues the tank out completely every months... No gas ignition, the most important thing you can do is to check the burner to the. Is different and the water sits in and is heated by your water smells,. Gas burner is not damaged or wire connection is lose flush descaling in light..., it will be assumed that the gas line, or higher if needed water gas or electric backup system! Common reasons motor, that it is broken can make it other days.what should I look for.! Bad gas valve is open the valid warranty have stopped working: the started.
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