Why Is My Heater Not Working? ... (on demand) water heaters. Some more good information on hotwatercylinders.nz. Any issue that is recognised will flash with a fault code. 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. Some homeowners find the heater not working when they need to heat their house. 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). […] Reply. When there is no gas ignition, the heater is OFF. 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. Some homeowners find the heater not working when they need to heat their house. Here are some reasons why your hot water may have stopped working: The pilot light. 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. If it has, it’s an easy fix – simply turn it off and turn it back on again. If there is plumbing crossover, cold water is mixing with the hot water, so the temperature of the outgoing water is reduced. If you have a gas version, it could be related to the burner – see #12 below for further information. Heater Not Working. I have a tankless gas water tank. Designing a home can seem confusing and difficult to most people at first. If planning to do it yourself, use the following suggestions carefully. 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. 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. You’re using hot water faster than it can make it. Then plug unit back in. Over-temperature sensor reacts if the unit is too hot, so it shuts the unit down. If there is limescale build-up use the fine sandpaper and clean it. Check each of these in turn and replace as necessary. Not bad article. Modern water heaters are built to last. Replace the element if it is needed. 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. My tankless water heater is not working. Check the venting system (both intake and exhaust) for the obstruction. Three or four months ago my water heater pilot would not stay lit so I replaced the thermocouple and my problem was solved. 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. Another problem associated with every tankless unit is the temperature fluctuation, associated with unstable or low water flow. This is how to fix a Rinnai Water Heater that is not working following a flush of the heat exchanger. provide a means for us to earn fees by linking to Amazon.com and affiliated To provide a reliable and efficient long-term operation of your Rinnai water heater, have it installed by a pro. Also, to repair any of the problems such as those shown in the above error codes, a  licensed professional should be contacted. Check the resistance of the fan motor, that it is turning freely and there is no damaged wiring or loose connections. If the problem occurs, you will notice the error codes LC0-LC9, which represents the scale build-up problem inside the heat exchanger. This article will show you the most common error codes and problems found in almost all Rinnai water heaters, non-condensing and condensing. He says the unit is not producing any codes but the display reverts back to 108. Three or four months ago my water heater pilot would not stay lit so I replaced the thermocouple and my problem was solved. Use the same approach as with other sensors above. There’s nothing to worry about. May be because of this feature your heater may not be working. This is harmless, but there’s not so much you can do about the noise. 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. By increasing the flow rate, the problem can be solved. Leaks from water heater tanks can be … 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. Tankless water heaters are not immune to problems. You may also have to replace the fuse if it has blown. Your water heater should never be hot to the touch. sites, A detailed guide on how to troubleshoot error code 10 is here. Check the resistance of the sensor. Check to see if the water will now heat. Older homes mostly have ½” pipes while modern homes usually use ¾” pipes. Some more good information on hotwatercylinders.nz. 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. Extreme care should be used at all times to avoid contact with energized components inside the furnace. Tankless heaters also have to work harder in winter, so if you experience this problem during the colder months, this could be the reason. 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. Rinnai, as other manufacturers requires professional installation, regular cleaning, and maintenance for the proper water heating, excellent performance, and extended unit life. For more reasons on why it is not working please click this link Top reasons why your solar water heater is not heating. If you have a heater with a tank, it may simply be that your tank is not big enough for your requirements. 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. 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. 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. 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. Not Enough Hot Water. That’s why we offer fast, expert repair. Leaking water can cause significant damage to a home, so it is important to fix the leak as soon as possible. Not Enough Hot Water. Start by checking the circuit breaker to see if it has been tripped. We look forward to working with you! 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. Flushing your tank can help, or you can try boiling the water to maximum temperature to kill all the bacteria. Another possibility is that the thermocouple is loose or faulty. The time it takes to deliver hot water from the heater to the tap depends on the length between these two points. We are authorised installers and repair technicians for all the solar hot water heater brands including Solahart, Rheem, Edwards, Apricus, Quantum and many more. When heaters get too hot, then this feature shuts off the device for safety purposes. I turned it back on. I have given the water heater 3 hours to heat water. One of the reasons for the plumbing crossover is if the single-lever mixing … When it comes to broken heaters, there are several common problems that could be the culprit. 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. Troubleshooting Rinnai water heaters are much easier if they come with the diagnostics system. Read more about an error code 11. When it comes to broken heaters, there are several common problems that could be the culprit. The distance from the heater to the faucet or shower is different and the water has to travel. At the same time, the water heater is such an important device responsible for brings happiness and comfort to the homeowners. 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 … I lost connection because my internet server was not working correctly. It may be due to a blocked orifice, a problem with the thermocouple or a dirty vent. If your model features a standing pilot, the pilot light will not … Then a few weeks ago the pilot started periodically going out, so I got another thermocouple. Test the igniter and see is it still working. 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. Getting regular maintenance will catch or prevent other tankless problems. Replace the water flow sensor if it is broken. What happened? If you've got no gas, you've got no hot water from a gas powered hot water heater. Ensure that your water heater gets enough combustion air and that the vent system is not blocked. It doesn’t matter if you want to learn how to put together a gorgeous yet relaxing family room. Many come with long warranties, and you hope to be able to use them trouble-free for many years to come. Do you have a problem with a Rinnai tankless water heater? By increasing the flow rate, the problem can be solved. 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. As odd as it may sound, this is not an unusual problem. Services LLC Associates Program, an affiliate advertising program designed to Remove the wires from the controller. I feel like I am wasting tons of water. If the breaker has tripped, switch it off, then switch it back on again. Ensure that there is no blockage in the vent system (lack of combustion air). Beating the drum in favor of tankless water heater is not over amused. Sometimes water heaters and pipes can make sounds through normal expansion and contraction due to heat. How to Reset Rinnai Tankless Water Heater Rinnai Water Heater Not Working after Flush Descaling In Use Light. May be because of this feature your heater may not be working. And with this guide, now you have a good idea of where to start looking. He doesn't get any hot or warm water. 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, if that is not the cause of the problem, it's not difficult to troubleshoot your water heater to locate the issue. It will be assumed that the installation was done correctly. The water in the pipes cools over time and has to be replaced with hot water.. No way to remedy. 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. My Rinnai tankless water heater MC-91-1US does supply hot water. Check the internal elements and plumbing for leakage. There are two problems: one is that when teh water tap is open, the in "use" indicator was not … Husky Will Get The Hot Water Flowing. Why Is My Heater Not Working? Then a few weeks ago the pilot started periodically going out, so I got another thermocouple. The electric water heater was turned off at the circuit breaker panel. If you have a gas version, it could be related to the burner – see #12 below for further information. 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. The electric water heater was turned off at the circuit breaker panel. Possible reasons for water taking a long time to heat include faulty heating elements, sediment build-up on the elements and a faulty thermostat. Problems with Tankless Water Heater Temperature. One of the most common issues many home-owners are dealing with, in on-demand water heating, is exposure to hard water. Leaks might result from loose connections, in which case you will need to tighten them with a wrench. Make sure that the valve coil resistance is OK and that the wiring harness is not damaged and connections lose. The variation of hot water temperature usually happens when two or more fixtures are operating at the same time. 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. See what causes the unit's malfunction and error message to display, and what you can do about it. How to Fix: Confirm no loose, damaged, or broken connections on the leak detector. I have a Rinnai tankless RC80HPi water heater. Unfortunately, having a gas water heater that doesn’t get hot enough isn’t the only common problem that homeowners find themselves confronted with. Gas Water Heaters. I plugged it in where the old controller went, and though the lights are on I can't control temperature using the new device. Check them and replace as necessary. Once connected and the free Rinnai app is downloaded, the Rinnai Tankless Water Heater can be … Heater Not Working. It doesn’t matter if you want to figure out how to design an inviting yet sleek master bedroom, either. This is the simplest and easiest hot water problem to fix. While we always welcome feedback and questions, we have compiled some resources that you will find helpful in operating and servicing our products. Another quick fix is to check the thermostat – you may just need to turn it up to a higher setting. The error codes from the above were taken from the manufacturer instructions, so troubleshooting Rinnai becomes easier and convenient for readers of this website. Increase the water flow if it is too low. 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. Once connected and the free Rinnai app is downloaded, the Rinnai Tankless Water Heater can be … There are a few reasons why a car heater may be on the fritz—it depends on the nature of the problem. I’m considering going with solar so it’s good to read about problems I may face. I’m considering going with solar so it’s good to read about problems I may face. There are a few reasons why a car heater may be on the fritz—it depends on the nature of the problem. Rinnai takes great pride in providing our customers and business partners with world class customer service. You may need to consider upgrading to a more powerful unit. 3. […] Reply. 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. Give us a call at 704.846.5371 to service your tankless water heater. 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. you have hot water on demand), there is no cause for concern. Again, the recommendation is to contact a licensed technician for troubleshooting and any work that needs to be done on the water heater. The high concentration of mineral deposits in water is the main cause of the sediment build-up, especially in the heat exchangers. Possible reasons for water taking a long time to heat include faulty heating elements, sediment build-up on the elements and a faulty thermostat. 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