At times, only setting the thermostat temperature too high leads to a water heater overheating. Make sure to check all four sensors. Side 1/2" NPT water connections. Rheem error codes 92 and 93 are typically found on condensing units. Rheem Tankless Water Heater Error Codes P1, 02. A temperature of 32F means the thermistor that does not make a good connection, and 199F means a direct short. Free shipping for many products! While troubleshooting, Rheem error code 65, confirm the unit receives enough water and all wiring connections are in good working condition and tight. Ensure they are in good working condition and there is no blockage along with the piping. Protect Your Home u0003With Mobile Leak Alerts. Error Code 15 When there is any problem with the unit, it will pop up an error code on the display. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. Dirty Air Filter 4. Then, turn on the water heater again, which will reset the heater. Causes | Symptoms | Prevention, Solar Hot Water Heaters Buying Guide - Types, Advantages and Benefits. These water heaters may help you qualify for insurance discounts 2. Draining and flushing out the tankless water heater is quite straightforward and you can do it by yourself. If necessary, replace the remote control, remote control wiring, or the PCB. Its a device that transfers heat from one source to another. If the code persists, call a licensed contractor. What does E5 mean on my Rheem tankless water heater? Next, inspect the ODS thermocouple to see whether it functions properly or not. But before that, dont forget to inspect the combustion chamber as well. Remove and clean any buildups and blockage in the condensate drain system. If not, the problem could be caused by the blower motor and the PCB. We recommend you check the heat exchanger fins first for blockage. Also, make sure the gas flow valves are open and they dont get clogged with dirt or residue buildups. must have a pressure of 10.5 w.c. or 2.6 KP for natural gas and 14 w.c./3.5 kPa for LP gas. It helps us diagnose and determine the exact problem with the water heater. Error code 92 is displayed during operation, and when the unit is switched off, error code 93 is shown. 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. A clogged heat exchanger, venting system, and air intake filter are responsible for making the ODS thermocouple defective. Ensure the unit is properly grounded and its wiring is in good condition. Continue with Recommended Cookies. Head to the electric panel and locate the water heater circuit. An example of data being processed may be a unique identifier stored in a cookie. Also, dont forget to check the breather box for debris and use a vacuum cleaner or a lightly damp rag to clean the box. Get FREE quotes from licensed Plumbers in your area today. High Efficiency Tankless Water Heaters. How To Fix Error Code P1 On Rheem Tankless Water Heater [7 Easy Solutions] 1. Remove the panel cover and locate the reset button behind the insulation. If they get blocked by dirt, debris, and carbon buildups, this may cause a problem with the combustion. If its incorrect, you should adjust it. Step #2: Remove all the screws that are securing thefront coverof the unit. > Clean out the combustion chamber using an air compressor. Error Code 14 If there is no information, you should measure the sensors resistance, and the sensor should be replaced if not within specifications. The Rheem error code 31 can be caused by scale buildup on the inlet water supply filter or any thermistors, damaged or bad wiring, and short circuits. Troubleshooting John Wood tankless water heaters. On some Rheem units, error code 29 can indicate a clogged neutralizer. e. Common symptoms, problems, and fixing tips. Just follow the below few phases to clean the combustion chamber: if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-netboard-1','ezslot_22',116,'0','0'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-netboard-1-0');Phase #1: Start by unplugging the electrical cord from the power outlet or at the circuit breaker. E4 on your Rheem tankless water heater indicates an issue with the flow meter sensor. If the readings are looking good, the PCB may be at fault. If the heat exchange fins get clogged, release the blockage. More about us. Your Rheem tankless water heater will trigger the P1 error codes if there is a lack of sufficient water flow to activate the unit. If this sensor is at fault, it will not send a signal to the computer, which starts the tankless unit. On the PCB, all the Molex connections go to one location and fit one way. When this error code will pop up, understand there is no ignition on your tankless water heater. Every water heater including Rheem Tankless Water Heater uses natural gas or liquid propane gas as its fuel. Check the flame rods condition, wiring, and voltage. Test the Molex connector at the PCB and replace it if needed. You should do a flushing service every two to three years to remove carbon buildup and keep the hot water flowing. Measure the high and low-pressure readings and compare them with the manual. But this task requires a lot of elbow grease. You cant use both these fuel types together. Ensure no unit parts are blocked, clogged, or obstructed by debris, foreign objects, or dirt and scale build-ups. If it gets broken, cracked, or covered by dirt buildup, it will get too hot and throw the error message 14. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Rheem error code 12 indicates a flame failure. Next, check the resistance of the heat exchanger thermistor. 8kW Model Flow Rate: up to 1.95 GPM. From this chapter, you can learn about the most common error codes the tankless water heater shows. Below, we will break down each of the culprits that cause the Overheat Film Wrap to get activated. * All pros listed are independent dealer-owned . These are: Check the resistance readings of each sensor wiring and replace the sensors if not working correctly. 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. I am glad to help. If the fan doesnt move, then ensure it receives enough voltage. If the unit reaches 230F, however, it will again display an error code 15, shut down, but not start automatically on its own. Call the technician. Also, we broke down the troubleshooting steps to clear the message. Before doing so, remember to remove the Molex from the CB. Rheem Tankless Water Heater Code 14: Reasons & Solutions, Rheem Tankless Water Heater Code 13 [How To Fix], Basement Watchdog Battery Alarm Add Distilled Water, Basement Watchdog Battery Alarm [Corroded Terminals Or Bad Battery], Basement Watchdog Pump Was Activated Alarm. Ensure that the altitude is set correctly for your particular needs and the vents meet the necessary size requirements for safe operation and use. Did not see that error code here. You should follow the same troubleshooting steps as in error code 51. Also, turn off the gas shut-off valves. Getting a code 14 on Rheem tankless hot water heater. And this is how the blower motor looks like: Inspect the blower motor for broken fins or dirt or debris that gets stuck inside it. They are dirty or defective flame rods, faulty ODS thermocouples, and incorrect burner manifold pressure. Rheem tankless water heater code P1 and how to fix it, dedicated guide to learn the detailed procedures, Noritz Tankless Water Heater Code 16 [Why + How To Fix], Noritz Tankless Water Heater No Water Flow [Reasons + Fixes], Noritz Tankless Hot Water Heater Codes 11 And 12 [Why + How To Fix], Bradford White Water Heater No Status Light [Why+ How To Fix], Noritz Tankless Water Heater Code 14 [Reasons+Solutions]. Rheem error code 15 means the heat exchanger is overheating. Cracked or broken heat exchanger. . Inspect the gas valve wiring harnesses for loose or damaged terminals2. Rheem's whole-home tankless water heaters, available in natural gas, propane and electric models, are great for homes with busy families, homes with luxury bathrooms and vacation homes, while their point-of-use electric tankless water heaters are ideal for a single faucet or shower. You can find data about the water flow in the maintenance information. However, if it doesnt, you should measure the thermistors resistance, and the thermistor or the PCB may need to be replaced. Press it inwards until it clicks in place and then releases. Take a vacuum cleaner and insert it through the venting port. Error Code 14 An overheat wrap fault. If there is no information, the unit should be working correctly. The resistance should be 50k-500k ohms. Hire a plumber and tell him to clean the inlet filter at the cold water connection to the unit. Check the vent terminal and exhaust venting and ensure nothing blocks the airflow near or around the unit. At the same time, the display of the Main Remote Control starts to flash. The flow meter sensor is also referred to as a water temperature sensor. If there is no pulse output, you should replace the fan. If you fail to start the water heater after replacing the remote control or its wiring, we are 100% sure the culprit is the PCB or control board. If you find any blockage, run a plumbing snake to get rid of the clog. Step 1 and 3 plus b. Theaverage cost for the replacement of the heat exchanger is around $500-$1500. > Inspect the Molex connections at the PCB. Solution: If your tankless water heater is using natural gas, make sure that there is no interruption in gas supply from the distributor. Another problem that might occur when the water flow is reduced is the excessive temperature of the heat exchanger. Also, this warning message indicates that the unit has detected a false flame. #2- Turn on the water valve and open all the hot water faucets to create the hot water demand. The water shutoff valve and hot water tap need to be fully open. A defective or loose wire connection between the water control and the connector B on the PCB is the main culprit that causes your heater to pop up with this error message. Error Code 13 Call the service if none of the steps taken above works. To troubleshoot the Rheem error code 10, check the air intake condition, exhaust flue inlet, heat exchanger, fan blade, and fins. He has practical skills in fixing smoker & heating appliance issues. If the flow meter sensor gets defective, the unit fails to send a signal to the computer that is responsible for starting the device. Rheem error code 03 is found on units with MIC-180 or EZLink. Tankless Electric Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. 2. If there is no information, check the inlet thermistors resistance readings and replace the thermistor if they are not good. If the error code persists, contact a licensed technician. The repair guide provides info on how to deal with the heating problems. Restart the unit and adjust the high-altitude fuel type chip and DIP switch. It will detect the heat exchanger when it gets overheated. If nothing works for you, I suspect the PCB is the culprit. condition: new make / manufacturer: Rheem . A bad safety circuit or a gas problem might also be to blame, so calling a professional may be the best decision. Restart the unit and confirm the water control receives enough voltage. So, I highly recommend you to call a professional to handle this. You may need to replace the thermistor or the PCB. During troubleshooting the error code 31, check the water temperature according to the maintenance information isa temperature of 32F indicates a thermistor that is not making a good connection, and 199F indicates a direct short. I started HomeInspectionInsider.com to help people better understand the home inspection process and answer questions about homeownership and home maintenance. If the readings are not within specifications, you may be dealing with a faulty thermistor, which you should replace. We and our partners use cookies to Store and/or access information on a device. Then, inspect the heat exchanger fins for a clog and release the buildup. Now if any of the Molex connectors get loosened and detached from the PCB, it leads to the wrap sensor failure. Check the air inlet filter, clean it, and ensure the vent pipes are connected correctly. Check the vent terminal and exhaust venting. If it does, you should check if the pulse output is from it. Then as diagnostic information, the control panel or remote controller displays code 12. William is the founder of Fireplacehubs.com. If the waters temperature is too high, this should be indicated in the maintenance information. The gas control assembly, the main burner, the flame rod electrodes, or the PCB may need to be replaced. Step #6: In case the resistance is all ok to the connector, then the problem lies in PCB. Follow the same troubleshooting steps and procedures as in error code 51. However, if you are mechanically inclined, keep scrolling. Aside from the heat exchanger and venting issues, the defective Molex connection on the PCB is another root culprit behind the overheating film wrap at fault. Solution: Make sure that the gas shutoff valve provides enough gas to the main gas burner, and there is no obstacle. Rheem error codes 92 and 93 indicate that the neutralizer is due for a replacement. The best chances are either the heat exchanger fins have cracked or get separated from the connections. Your water heater will flash this error message on the control panel due to: Firstly, determine whether there is a problem with the remote control wiring or the remote control itself. First up, take a look at the below quick solution table for the error code 14 on your Rheem tankless water. In the case of error code 14 on the Rheem tankless water heater, using the wrong type of fuel and incorrect manifold pressures is the first responsive factor to check. Then you will expect to pay up to $200-$300 if youhire a professional for the replacement job. That means the flame sensor fails to detect any flame in the burner box. Rheem error code 99 can mean abnormal combustion caused by a blocked or obstructed fan, heat exchanger, air intake, faulty combustion air sensor, or exhaust venting. Rheem error code 14 means the overheat film wrap has been activated, usually caused by a hot spot. The alarm sounds every 60 seconds when the tap is open. If you had another question, feel free to ask it now and ill do my best to reply asap Otherwise, All I ask is that you take just a few seconds and remember to rate the question postively with the stars on the top left. However, if it isnt, check the resistance readings of the heat exchanger. Rheem error code 24 indicates a problem with an operational switch. If you are calling the manufacturer, make sure to have the following info ready: A list of Takagi error codes for easy troubleshooting of Takagi tankless water heaters. We and our partners use cookies to Store and/or access information on a device. Rheem error code 52 can be caused by loose or damaged wiring or terminals. Step #3: First off, check to see whether the Molex connector at location U get detached or loosened. Watch the following tutorial to learn how to replace the water flow sensor. Here faulty means either the blower motor itself gets defective or its housing gets clogged with dirt or debris. Disconnect the vent structure from the unit. Rheem error code 66 indicates a problem with the water bypass control. Rheem error code 79 means there is a problem with the current of the fan motor. Like other water heaters, the Rheem tankless water heater has a venting system. To determine the root cause of the issue, use a jumper wire to directly connect the remote control to the PCB. This mainly happens due to the rising temperature of the heat exchanger. If it is so long to inspect and clean our tankless unit, it is confirmed that it is the reason for this error code. If not, you should replace the flow meter sensor or the flow control valve of your Rheem Tankless Water Heater. You should consult with a licensed professional and check local permit requirements before starting any project. A gas unit either uses natural gas or liquid propane for the ignition. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. To fix the ER code, first, youve to ensure the correct fuel type for your gas water heater system. When the problem occurs, the error code is displayed on the LCD screen of the remote or user interface, so by understanding the meaning of the code, the troubleshooting gets easier. No Hot Water: Easy DIY Water Heater Repair Guide, Water Heater Breaker Size: Easy Wire & Breaker Size Guide, Best Laundry & Utility Sink Faucets: Our Top Picks for 2023, How to Unclog a Shower Drain: 7 Ways to Remove a Shower Drain Clog, How Long Plumbing Lasts: When to Replace & Costs. We don't tend to provide any plumbing advice or any advice that should come from a certified professional. 3. At the same time, some water heaters recommend a specific gas type like natural or LP. Rheem Tankless Water Heater Error Code 11, 07. Consequently, the heater displays the error code 14. Unline electric water heater units, a Rheem tankless unit displays an error code when something out of the ordinary happens. Ensure there are no loose connections. Rheem error code 32 means there is a problem with the heat exchanger thermistor. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger fan. Rheem error code 90 indicates a blocked flue. If you do so, it will cause a combustion issue, heat the water intermittently, and throw the error code 14. See an examplehow to descale a Bosch tankless heater. Why is Your Water Heater Leaking From Overflow Pipe? Takagi Water Heater Error Codes [Ultimate Guide]. Rheem Tankless Water Heater Error Code 12, 10. When you turn on the hot water faucet, the activated heat exchanger heats the incoming water which rises the temperature. Check the wiring, the Molex connections, and ensure no scale buildups or debris. Cause: The gas shutoff valve is not open completely. Replace the PCB or the communications cable if necessary. You may have to replace the PCB if the readings are within specs. To fix the Rheem error code IL, drain and flush the heat exchanger as recommended in your owners manual, which Rheem has provided. You should also measure the Molex connections resistance. Then, locate the two terminals connected with the remote control. A temperature of 32F means the thermistor is not connected correctly, and 199F indicates a direct short. Check the gas pressure; it might be too low, or the gas valve is not fully open. Replace the water control assembly or the PCB if necessary. If the unit starts, the problem is either with the remote control or wiring. Check the number 11 where I break down the error code 61. Once you repair the damaged wiring, run the hot water tap to see whether the unit works or not. If the remote control works, we bet the wiring is at fault. I have just updated this article as per your request. Error code 14 means Overheat Film Wrap gets activated. Other Troubleshooting Tankless Water Heater Error Code Guides, Error Code 00: One Hour of Continuous Combustion, Error Code 05: Imperfect Combustion Alarm, Error Code 13: Flame Rod: Poor or Improper Combustion, Error Code 21: Malfunction of Air Intake Filter Switch, Error Code 29: Temperature is Too Low on the Heat Exchanger, Error Code 35: Improper Thermistor Connection, Error Code 52: Modulating Solenoid Valve Fault, Error Code 66: Water By-Pass Control fault, Error Code 72: Flame Sensing Device fault, Error Code 76: Communication Fault with Remote Control, Error Code 80 and 81: Gas Cut-off Failure / Extinction Failure, Error Code 82: Gas Type Control Data Failure or PCB Data Failure, Error Code 92 and 93: Neutralizer Abnormality, Error Code 99: Fan Motor is not Creating Enough Ventilation, Error Code IL: Scale Buildup Inside the Heat Exchanger, Troubleshooting Tankless Water Heater Error Codes: Rinnai, Troubleshooting Tankless Water Heater Error Codes: Rheem, Troubleshooting Tankless Water Heater Error Codes: Navien, Troubleshooting Tankless Water Heater Error Codes: Noritz, Troubleshooting Titan Tankless Water Heater Problems, Troubleshooting EcoSmart Tankless Water Heater Error Codes, Troubleshooting Tankless Water Heater Error Codes: Bosch. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Most tankless water heaters are operated by natural or LP gas. Make the switch to sustainable living and harness the power of the sun! Whenever you are encountering this error code, look for the cracked or broken heat exchangers as it is the leading factor for the faulty film wrap sensor. 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. * All pros listed are independent dealer-owned . First up, figure out the all responsive factors for the code and fix those. Insufficient fuel or restricted gas flow, faulty gas solenoid valves, defective igniter wire harness, and a problem with the igniter are some caveats that trigger the error code 11. Secondly, take your eyes on the heat exchanger to see whether it gets dirty or not. Increase the temperature on the remote if it is set too low. Check the heat exchangers resistance reading as part of the troubleshooting process. Rheem error code IL indicates a possible scale buildup in the heat exchanger. However, if the resistance seems good, the PCB may need to be replaced. If the resistance is not according to specifications, it should be replaced. Ensure the condensate line is installed correctly and is within specifications. If the readings are not right, replace the thermistor; if they are within specs, you may have to replace the PCB. According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. Well! It functions as the heat limiter which monitors the heat exchanger temperature. Now, remove the three side screws of the blower motor and take out the blower motor. If your Rheem displays error code 99, ensure nothing blocks or obstructs the heat exchanger fins, exchanger flapper valves, vent termination, and clean air intake filter. Any help you could provide or resource you can point me to would be greatly appreciated. Then, keep reading till the end. Rheem's tankless hot water heater error code P1 signals an issue with a low flow of water through your heater system, usually due to debris of some kind. Close the hot water taps and remove or turn off the circulation pump, if any installed. Check if the maintenance information displays the ambient air temperature. However, even the best tankless water heaters sooner or later may stop working or be affected by other kinds of problems. If the error code 12 persists, contact a licensed technician. Press and hold the reset button for 3-5 seconds. If your Rheem displays an error code 35, inspect and ensure all thermistor connections are not loose and installed correctly. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. Rheem Tankless Water Heater Error Code 29, 11. Replace the PCB or fan if needed. Improper Fuel Type 02. Phase #3: First up, remove the screws that keep the burner to the combustion chamber in place as you can see in the picture below. Several reasons are responsible for the heater to throw this error message. Professional Classic tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications. Learn what to do, repair, and how to stay safe in this guide. A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. d. Remove outlet pipe bracket and ceramic heater plug. Check the thermostat on the remote control; it might be set too low. If there is any damaged wiring, your water heater will be unable to send a signal to the control board. Rheem error code 51 indicates a problem with the gas inlet solenoid valve. Besides, your water heater will throw the error code P1 if the water flow sensor goes bad. If needed, clean the inside of this motor. You can use 100-grit sandpaper to remove the carbon buildup from the flame rods. The average water heater flood claim is $4,440 1. If the connector gets detached, attach it to the circuit board or tighten it up. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. Rheem error code 79 can be caused by condensation or moisture accumulation over the fan motor or damaged or loose wiring. If needed adjust the manifold gas pressure by pressing theminimumandmaximumbuttons. c. Remove one ceramic heater plug. I'm a licensed Home Inspector, Certified Professional Inspector (CPI), Certified Master Inspector (CMI), and FHA 203k Consultant. Resetting your tankless water heater will help you clear the error code from the control panel. Disconnect the front cover and set it aside. Rheem error code 13 indicates a problem with the flame rod, typically accompanied by poor or improper combustion and found on indoor units. Basically, it is determined through the manufacturers recommendation. If it does, the unit should be good and restarted. 13 Common Rheem Tankless Water Heater Error Codes, 01. Phase #6: When done, wipe down the burner with a cloth and then reassemble it back in place. Water flow is below the minimum required. We recommend you check for a broken wire or poor electrical connection. In this case, you can hand over the task to a professional plumber. Otherwise, use the LP gas to power your water heater.

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