Improper fuel type, rusty or defective heat exchanger, and faulty Molex connector are some caveats responsible for triggering this error code. To resolve the issue, try the following steps: Turn off the power to the water heater for 10 seconds and then back on. The alarm sounds every 60 seconds when the tap is open. Error code 76 on Rheem Tankless Water Heater is an indication of faulty communication with the remote control. there's a good chance that a change or two have taken place. This neutralizer is specially designed to keep the drain condensate away from the water heater. If your Rheem tankless water heater has been running continuously for over an hour you should look to reset the system. You can use 100-grit sandpaper to remove the carbon buildup from the flame rods. 12. Call for service when your unit is showing this code. More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. } Tankless water heaters generally last considerably longer than a tank-type heater, as they don't hold corrosive water for prolonged periods. The most common Rheem codes are found here on Rheems official website (click on the first drop-down FAQ section). Get FREE quotes from licensed Plumbers in your area today. Technicial Manual SVC810 Second GenerationPV, X and DV, RTG2-42, RTG53, RTG66 and RTG74.pdf. Knowing that the ignition has failed is straightforward enough yet finding out why can prove difficult. Follow the descaling procedure to remove the scale build-up in the heat exchanger (there should be an error code). If you have a Rheem tankless water heater, you may be wondering what all the codes on the control panel mean. You can also check that the ohms are correct though your sensor may need to be replaced. You may even want to take out the flame to check it and clean it with some steel wool. If this drainage system gets clogged, your tankless water heater will flash the error code 29 to prevent the burner from being flooded. If you get the voltage reading, take another measurement at connector B between the White#2 and White#8 wires. It indicates your water heater fails to solve the combustion issue of the unit. After you see a code on a tankless water heater, a common first step is to reset the device. Head to the electric panel and locate the water heater circuit. Cycle your water heater two times by turning off- then turn on- at 10 seconds intervals. Why is my Rheem tankless water heater beeping? window.mc4wp = window.mc4wp || { This can be due to a problem with your homes wiring or plumbing, or it could be an issue with the gas line itself. Error Code 29 indicates that the temperature is too low on the heat exchanger. If you encounter this, heres what you can do: These are the most common error codes, as well as the most common fixes for said codes. What does E4 mean on a Rheem tankless water heater? Error Code E3: This code indicates that the temperature of the outgoing hot water is too high. Code 01: This indicates that the water heater is in standby mode and is not currently heating water. Learning the error codes of your Rheem tankless water heater may seem exhaustive yet can prove to save you money. An error code E4 on your Rheem Tankless Water Heater indicates that the flow meter sensor gets faulty. To troubleshoot this error code, confirm that the water bypass solenoid has the right voltage going through it. The specific codes might also differ slightly depending on your specific model of Rheem. Error Code E4: This code signals that there is a problem with ignition or flame detection. See an examplehow to descale a Bosch tankless heater. Loose connections may still result in the code 76 error. Instead, go for non-electrolytic capacitors like ceramic or film capacitors. The error code c7 stands for a defective communication between the remote control and the tankless unit. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. Again, there should be no obstructions to the airflow and the vent terminal should be clear. Error code 99 can indicate that there is a blocked flue fault that is causing the blower motor to be unable to vent. Before you do ask for extra help, find out what the error code means and you may be able to solve it without making a service call. Nov 16, 2014 Rheem Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm Next, access maintenance information to determine the flow rate. The minimum temperature for most tankless units is around 55 degrees Fahrenheit. Besides, your water heater will throw the error code P1 if the water flow sensor goes bad. Here faulty means either the blower motor itself gets defective or its housing gets clogged with dirt or debris. If the water doesnt flow, we recommend you increase the flow rate. It will likely be red and/or have a picture of a triangle with an exclamation point next to it. Finally, unplug the water heater, disconnect the remote control then plug the heater back in and test it without the remote control. You can confirm if the filters capacitor is at fault by checking the water heaters control board. Err07, 08, 09 - RHW42 model only, this indicated a problem with the water shutoff valve. Call the technician. Loose remote control wiring or the remote control itself gets defective. If you do not feel comfortable performing this yourself then you can contact a professional to do it for you. Rinnai fault code 11 - No ignition. Like other water heaters, the Rheem tankless water heater has a venting system. Use our quick reference guide to find answers to common questions or for more detailed information use the search form to search for a specific question. Takagi T-K-Jr2-IN-LP Indoor; Rinnai RL94iP HE+ Tankless Hot Water Heater; Rheem RTGH - 95XLP Prestige Propane Outdoor Whole House; Camplux 5L 1.32 GPM Outdoor Portable; Eccotemp Fv112-LP Liquid Propane; TAKAGI TH30SLP; Rinnai RUC98iP Ultra Series; Rheem RTG-64XLP 6.4 GPM Low NOx; Eccotemp L10 2.6 GPM water heater 1. Once you clean or change the blower motor, follow the steps in reverse to reinstall the blower motor. We have an in-depth guide on Rheem Tankless Water Heater error code 13 where we broke down the way of adjusting burner manifold pressure. You may need to flush the system using distilled white vinegar though do be careful as the water would naturally be hot. The filter capacitor may become clogged and damaged over time, hindering its capacitance capability. See if there is anything blocking the air vent on the device. local codes.The water heater requires 120 VAC/60Hz Visit Document 4. Check to see if the breaker has been reset. Find the most common problems and see how to fix issues. If it has flipped off, flip it on. As a concerned Rheem tankless water heater user, you may want to know what causes this error code and how to fix it. I was told to check the flue, gas, is it plugged in, who installed it. Close hot tap, cycle power on and off at GPO and open hot tap again. Check to make sure all gas connections are tight and there are no leaks. Now, you may ask- how can I understand whether the solenoid valves function correctly or not? Increase the temperature on the remote if it is set too low. A false flame being detected may also necessitate a service call, yet there are certain steps to take first. 10 Best Tankless Water Heaters. A list of AO Smith tankless error codes for easy and inexpensive troubleshooting. Now, remove the filter and wash it to eliminate sediment jammed in the inlet that is producing problems. By displaying a code on your tankless heater, you, or a professional, can read the code to understand what went wrong and how to fix it. This could be due to a faulty thermostat or an obstruction in the exhaust vent pipe. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. Reviewing ultra efficient Navien water heaters utilizing condensing and tankless technology. Press it inwards until it clicks in place and then releases. In that article, we described everything that causes your water heater to trigger the error message 12. Inspect the venting system for any blockages. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); How to Reset Rheem Tankless Water Heaters, How Do You Troubleshoot a Rheem Electric Water Heater Rheem Error Codes, 5 Common Paloma Tankless Water Heater Error Codes, Common Electrolux Dryer Codes (E64, E65, E66, EF1, E91), F5E1 Maytag Washer Error Code? What does E5 mean on my Rheem tankless water heater? Another problem that might occur when the water flow is reduced is the excessive temperature of the heat exchanger. Rheem tankless water heaters use a condensing technology to offer continuous hot water without the use of a large water tank. Continue with Recommended Cookies. Confirming that the remote controls wiring is the issue before fixing it will save you resources and time. If they are then you may want to contact a specialist to take a look. Press and hold the reset button for three seconds, then release it. 13 Common Rheem Tankless Water Heater Error Codes, 11. Hire a plumber and tell him to clean the inlet filter at the cold water connection to the unit. First off, turn the unit off at the remote controller or at the circuit breaker. Save my name, email, and website in this browser for the next time I comment. Part # 683034. When this process is completed, your water will be murky, because of the limescale that has been removed. If your water heater comes on, we bet the culprit is the remote control itself or the wiring between the remote control and the tankless unit. e. Rheem tankless water heaters have many error codes that make it challenging to pinpoint the exact cause of each error. If it doesnt erase the error message, fix the issues that cause the heater to pop up the error code. To clear this fault, you will need a pump and two hoses. Your water heater is the backbone of all you do inside the house, like doing chores, practicing good hygiene, and taking advantage of essentials that use hot water. This is another fault that you may want to check with a professional. Remove the access panel from the front of the unit. How do you clear the error code on a Rheem tankless water heater? This is a complete guide on Rheem Tankless Water Heater Error Codes. For every 5 gallons, there should be 2 gallons and 3 gallons of water, Put you pump into the bucket and run it for 30-45 minutes, Make sure that power is turned on to the unit and circuit breaker is powered on, Make sure that the safety device on your unit is not activated resulting in the water heater not operating, Sometimes errors are caused as a result of communication fault instead of any particular issue with a component on the unit. Should the heat exchanger keep a temperature of 207 F for a period of longer than 15 seconds then error code 15 may occur. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger fan. I guess the PA error code is a air conditioner related fault code. Code 1L indicates that there is a limescale build-up in the unit. If your Rheem water heater is flashing white light, it shows that your pilot light is out and the water will still be cold. Reason: Insufficient Heat Exchanger Temperature. Connect a jumper wire to the remote terminal on the printer circuit board and try powering on the water heater using the remote control. Also, check that the vent terminal was installed properly on the device. 3. This can be caused by a number of things, including a clogged filter or a problem with the water supply line. Tilt down the computer board, which will reveal the blower motor. Every Rheem tankless water heater, either non-condensing or condensing, utilizes the computer board to monitor the heating process, adjust the parameters, and help troubleshoot the potential problems. Secondly, take your eyes on the heat exchanger to see whether it gets dirty or not. 3. If nothing works for you, I suspect the PCB is the culprit. The Rheem tankless water heater allows you to access instant hot water. Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. Call the technician because the water heater is overheating. If you are still having trouble after trying these steps, then you may need to call a professional for help. 3. Check the pressure and adjust it accordingly. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . The most common cause of this problem is a build-up of soot or debris in the combustion chamber. Inspect the gas valve wiring harnesses for loose or damaged terminals2. user-manual-Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm Manual. Consult the guide and see whether you have a grasp on the problem indicated by the code. There are a few different codes that can be associated with Rheem water heaters. However, before you do that, confirm that the blower motor is turning freely as it may still operate with a small restriction. The causes of the E5 code appearing on your heater's display include too much water flow, incorrect gas pressure, blocked air intake, clogged exhaust, dirty air filter, lack of airflow in the room . Hotwatertalk.com is a participant in the Amazon Services LLC Associates Program and other affiliate advertising programs, designed to provide a means for us to earn fees by linking to the affiliated sites. Check the air intake and exhaust venting. If the temperature is insufficiently low on the heat exchanger then you should receive error code 29 on your mid-efficiency or condensing unit. All rights reservedDisclaimer:The content published on hotwatertalk.com is not professional advice. There may be a fundamental issue with your control board that it is not programmed properly or that the wrong gas type has been entered. First off, make sure there is enough fuel in your gas tank. Finally, if your Rheem tankless water heater is more than 10 years old, it may simply need to be replaced. Solution: If your tankless water heater is using natural gas, make sure that there is no interruption in gas supply from the distributor. In this guide, we will look at where you can find the most current information for your Rheem tankless water heater and look at the error codes (see also AO Smith Tankless Error Codes: Problems And Troubleshooting) in detail. One for the hot side and another for the cold side. Error code 12 means your tankless water heater fails to detect the flame. After that, connect the water heater directly to an electrical output source and test a hot water source like a shower. Tankless water heater problems and how to repair models from Noritz, Rinnai, Takagi using error codes. . The diagnostics become simpler since the Rheem tankless heaters use the electronic control board and advanced technology with an optional remote controller and control panel. However, like any appliance, they can sometimes experience problems. Protect Your Home u0003With Mobile Leak Alerts. Then, inspect the heat exchanger flapper valve and make it move freely at the vent connection of your water heater. Water volume control fault is what error code 65 indicates. As a basic inspection, start with verifying that there is water flow through the unit. If the unit comes on, the wiring of your remote control is at fault. On top of this, you must ensure the drain will not allow backflow. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Check the air filter. Cause: The blockage in the air supply pipe, exhaust vent, or connection/termination is loose or not correctly done. The vent exhaust can be a little more complicated to solve though you should start by simply checking and removing any obstructions to the exhaust vent. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. There could also be loose or damaged connections on the wiring harness for the gas control valve which could set off error code 71. If you have a Rheem tankless water heater, you may have received a code 13 error. Below, we will show you how to fix those issues to clear away the error message. If they get blocked by dirt, debris, and carbon buildups, this may cause a problem with the combustion. These steps will get fix the fault and restore your water heater back to working condition. There are certain steps you can take which include checking the high and low fire manifold pressures and that the right type of gas is used. What part of Australia are you from? Then, reset the Rheem tankless water heater again. The thermistor should also be free of any limescale build-up and may require a clean. Reason: A false flame has been detected. This code indicates that the unit is not getting enough water flow. If there are air flow restrictions surrounding the unit or obstructions at the vent terminal then this could also result in an error code 34. Apart from these, defective combustion systems, problems with the main burner or pilot, and faulty motor are other culprits responsible for throwing this error code. A defective flow meter sensor, broken wire, and poor connection are the culprits that trigger the error code E4. If its too low, the unit wont work properly. A Rheem tankless water heater has over 30 potential codes, and the solution will differ depending on the specific make and model of water heater that you have. emergency housing in dothan, al history of goffs manor water bird whistle history jobs at arsenal training ground hillsborough county high school athletics June 13, 2016 Read More Code 11 means that the ignition system has failed. If the venting system gets blocked by dirt, debris, or insects, the harmful gasses fail to go through the pipe. So, if you dont think you are up to the task, consult a professional. See if the fins on the heat exchanger are dirty and clean as necessary. Rheem is a trusted American appliance brand that is close to 100 years old. Begin with slowing down the flow rate of your water heater. The water heater will trigger the error code E5 if there is too much water flow. 3 Common Causes (and How To, Troubleshooting Electrolux Dishwasher Error Codes, 5 Common Problems with Camplux Water Heaters. It will be best to check the manual and use the fuel type recommended by the manufacturer. If you find any, clean them out so that air can flow freely. The circuit breaker for the unit may have tripped. On the other hand, if you can't turn on the unit, we bet the remote control gets defective.