Rheem Water Heater Error Codes - YouTube If your Rheem displays an error code 35, inspect and ensure all thermistor connections are not loose and installed correctly. Error code 99 can indicate that there is a blocked flue fault that is causing the blower motor to be unable to vent. How to use a diagnostic system to repair a faulty heater. After 10 seconds, plug it back in. Improper fuel type, rusty or defective heat exchanger, and faulty Molex connector are some caveats responsible for triggering this error code. Reason: Too High Outlet Water Temperature. 2. 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. E5 on a Rheem Tankless Water Heater means there is a high flow rate. You can find more information in the user manual. If the error code 12 persists, contact a licensed technician. 90% of the time, this troubleshooting step will help to eliminate the warning message from the control panel. Begin with cleaning the air inlet filter. However, the error code helps you troubleshoot the problem when scale buildup or malfunctions occur. Look here. Increase the temperature on the remote if it is set too low. 12. We hope this list helps you troubleshoot your Rheem tankless water heater and obtain a steady flow of hot water again. Tankless water heaters generally last considerably longer than tank-type heaters, as they dont hold corrosive water for prolonged periods. The error code 61 popping up on the LED display represents a faulty blower motor. What Size Heat Pump Do I Need for 2000sq ft Home. This is relatively simple and can just mean shutting off all your hot water faucets. Check the number 11 where I break down the error code 61. The red flashing light on Rheem tankless water heaters means that the heater has reached a lockout status and requires immediate repair. Rheem error codes 80 and 81 indicate a gas cut-off or extinction failure. Ensure the unit is properly grounded and its wiring is in good condition. If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. Am I right? If the flow meter sensor gets defective, the unit fails to send a signal to the computer that is responsible for starting the device. Ensure that the altitude is set correctly for your particular needs and the vents meet the necessary size requirements for safe operation and use. 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. If you get the voltage reading, take another measurement at connector B between the White#2 and White#8 wires. Also, make sure the gas flow valves are open and they dont get clogged with dirt or residue buildups. Ensure the heat exchanger flapper is not blocked and moves freely and that the whole vent system is clean and not blocked. 11 Common Rheem Water Heater Blinking Light Codes - Lil Dutch Uncle 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. Defective Gas Solenoid Valves 03. Rheem tankless water heaters provide water on demand. Reason: The Control Board is not programmed. There are a few reasons why the reset button might trip. Check the water flow servo and the cold water bypass system. How to troubleshoot Rinnai water heaters successfully using Rinnai error codes guide. 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. The heater might also make a noise to alert you to any issues. Rheem Tankless Water Heaters Error Codes Breakdown Error Code: No Code It occurs when the water flow rate is extremely low. Rheem error code 35 indicates a problem with the connections of one or several thermistors. If you are confident that youre not overworking your unit, consult a professional. Check if the fan motor shaft moves freely and is not blocked or damaged. Reason: Poor/Improper Combustion due to the flame rod. Rheem error code 03 means there is a problem with the manifold control. Obstructions could also result in error code 14 though if you cannot find one then consult a professional to troubleshoot the fault. Save my name, email, and website in this browser for the next time I comment. If its empty, dont forget to fill it with gas. You can also refer to your models user manual. Rotate the thermostat to achieve your desired water outlet temperature. When I can see a flame but the code displayed is Code 10, the problem is that the flame sensor is malfunctioning. You may have to replace the PCB if the readings are within specs. I'm a licensed Home Inspector, Certified Professional Inspector (CPI), Certified Master Inspector (CMI), and FHA 203k Consultant. A false flame being detected may also necessitate a service call, yet there are certain steps to take first. If the water doesnt flow, we recommend you increase the flow rate. Clogged condensate neutralizer. Follow An E4 error code on your 45 model tankless water heater, indicates that there is an issue involving the flow meter sensor (also referred to as cold water temperature sensor.) If the temperature is insufficiently low on the heat exchanger then you should receive error code 29 on your mid-efficiency or condensing unit. There could be another issue with the heating elements. The unit should work correctly if the water temperature is displayed in the maintenance information. However, even the best tankless water heaters sooner or later may stop working or be affected by other kinds of problems. Check the air inlet filer and clean as required. Learning the error codes of your Rheem tankless water heater may seem exhaustive yet can prove to save you money. When there is any problem with the unit, it will pop up an error code on the display. If not, the problem could be caused by the blower motor and the PCB. Rheem Tankless Water Heater Error Code 61, Takagi Water Heater Error Codes [Ultimate Guide], Rheem Tankless Water Heater error code 13, Rheem Tankless Water Heater Troubleshooting Manual [Complete Guide], Basement Watchdog Battery Alarm Add Distilled Water, Basement Watchdog Battery Alarm [Corroded Terminals Or Bad Battery], Basement Watchdog Pump Was Activated Alarm, Loose remote control wiring or the remote control itself gets defective. However, these quick fixes will notalways fix your problem. Just release blockage from those components to get the ODS thermocouple back in the working condition. The Best Portable Tankless Water Heaters (On-The-Go Hot Water), The Best Condensing Water Heaters (Go Environment-Friendly), 5 Best Hot Water Recirculation Pumps of 2023, Best Tankless Water Heater Flush Kits of 2023. Ensure the MIC-180 and the EZLink are installed and set up correctly. You may want to do a service call though you can check the wiring on the remote control yourself, specifically for any loose or damaged connections. If the readings are looking good, the PCB may be at fault. If you dont get this reading, you must replace the PCB. Rheem Tankless Water Heater E5 Error Code - Fixed 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. Replace the water control assembly or the PCB if necessary. Then, inspect the heat exchanger flapper valve and make it move freely at the vent connection of your water heater. Performing regular maintenance on your Rheem tankless water heater should prevent error code 1L from occurring. It can also mean a bad combustion alarm, a high water flow rate, a motor problem in the water heater or the voltage of the power supply is very low, and a pilot or main burner valve problem. There is a wide variety of potential causes for the problem, including faults with the supply of gas and electricity, or failure to regulate temperature. Read Details: Rheem Tankless Water Heater Code 29. Replace it if necessary. Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. Remember that depending on your altitude, or for every 3,280 feet, a different programming chip is used, and indoor and outdoor models use different chips. Rheem error code 52 indicates an issue with the proportional gas flow regulator valve (PGFR). Sometimes this issue can be fixed by simply restarting the unit. Learn how they work and if they're worth the effort and cost. Check that the gas supply is working properly and that the gas pressure is ideal, as per the manufacturers recommendations. If you need to reset the code on your Rheem tankless water heater, follow these steps: 1. TS: E4 Error Code 45H/HI - Eccotemp Help Desk A defective flow meter sensor, broken wire, and poor connection are the culprits that trigger the error code E4. Rheem Tankless Water Heater Troubleshooting [Complete Guide] Run the unit and check if the error code persists. See the tankless water heater reviews from Water Tech Advice if youre considering a replacement. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! You may not need to contact a qualified specialist to take a look as the error codes can be troubleshot by yourself. Yes, your water heater will occasionally produce cold water in addition to the hot water it normally produces. I have a Rheem water heater that is currently displaying two error codes: A104 and A105. Then, locate the two terminals connected with the remote control. I have noticed that this problem occurs when the flame rods are dirty and needs to be cleaned. Call the technician. Before you touch or open any electrical components, make sure the power is off. Error code 65 may necessitate calling out a specialist yet you can check for a fault yourself. 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. During the winter, water can freeze in the drain piping, effectively blocking it and causing an error code 29 to appear on the unit. Rheem Electric Tankless Water Heater Error Code E5, 05. Disconnect the remote control, switch the unit on, and open a hot water tap to start it. The most common Rheem codes are found here on Rheems official website (click on the first drop-down FAQ section). This is a complete guide on Rheem Tankless Water Heater Error Codes. If your Rheem tankless water heater displays an error code P1, the minimum water flow rate is insufficient for the main burner ignition. Founded by Hubert Miles, Certified Master Inspector. There may also be foreign material or obstructions in the burner chamber so check that there are no blockages for the flame at the flame rod (or rods). The reset button is there for safety reasons. Rheem water heater flashing red light 4 times. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. During winter & freezing days, we recommend you insulate the drainpipe by using a heat tape. Damaged Igniter Wire Harness 04. Cycle your water heater two times by turning off- then turn on- at 10 seconds intervals. If your Rheem tankless water heater shows an error code 00, try restarting it. In this guide, we will describe the common error codes this tankless water heater displays. Here are some general steps: When there is a problem with your Rheem tankless water heater, it will display an error code, either on the digital display or on a smartphone app. However, if there is no information, measure the resistance to the heat exchanger thermistor. Your Rheem Tankless Water Heater will beep and show an error code if there is a problem with the unit. Rheem error code 10 means a false flame has been detected. We don't tend to provide any plumbing advice or any advice that should come from a certified professional. 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? Replacing the control board is the only solution to fix this water heater issue. Try resetting the device, and if that doesnt fix the issue, its best to have a professional address the situation. Ensure the programming chip is suitable for your Rheem model, and the altitude at which the unit is used. When an error code is displayed on the screen and before you call the service support, do the following to reset the system, which might fix the issue: If nothing happens after resetting the unit and the error code is still visible, do the following: Cause: Limescale deposits in the heat exchanger water flow is reduced, and the temperature increases significantly. Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. Again, inspect the thermistor wiring for any damage and this is an ideal time to check then clean the ambient thermistor itself and perform a check for the correct number of ohms. Now, plug the water heater into an electric outlet and turn on a hot water source. Hi there, i am Eugene - an experienced HVAC / appliance technician. The fan motor should also have the right voltage and may be water damaged due to condensation. These steps will get fix the fault and restore your water heater back to working condition. Use your Rheem heater manual as a reference when performing any repairs, and make sure to use the technical support number (1-866-720-2076) whenever you're unsure what to do. So, keep reading. You could ohm out all the solenoid valves, inspect the flame rods for the correct voltage, or even replace the gas control valve altogether. 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. You may need to flush the system using distilled white vinegar though do be careful as the water would naturally be hot. Consult the guide and see whether you have a grasp on the problem indicated by the code. Typical Gallons Per Minute. During the troubleshooting, you can remove the vent structure from the unit and start it. If the water heater has the mixing valve installed and does not operate properly, it must be replaced. There is an issue with the inlet thermistor. Rheem error code 66 indicates a problem with the water bypass control. Rheem Tankless Water Heater P1 Code - Heaterview Your email address will not be published. You could also check the outlet thermistor, heat exchanger thermistor, and the gas valve are all in good working order. window.mc4wp.listeners.push( There are many error codes on a Rheem tankless water heater (see also Rheem Water Heater LeakingWhat To Do?) and their reasons differ vastly. Check the heat exchanger air inlet and perform regular maintenance to flush the unit with scale buildup. Rheem error code 31 indicates a malfunction with the water inlet thermistor. Thankfully, Rheem has incorporated an in-depth error code system, with each code corresponding to a specific problem with the heater. Once you have an error code, take a look at our list to find out what the problem is. If your unit displays an error code 11, it is advisable to contact a licensed professional. When taking a shower, turning on many hot water fixtures at the same time might easily cause your water heater to reach its capacity limit. The most typical problem with a water heater tends to be a water leak which can be common due to how many components come in contact with water. We earn a commission if you purchase at no additional cost to you. Our comprehensive Rheem Water Heater Troubleshooting guide will explain common is. From top to bottom of this guide, we broke down every error code our tankless water heater displays. You may need to replace the heat exchanger thermistor or the PCB. Rheem Tankless Water Heater Code 76 - Heaterview Compare HSI to other ignition systems. If the code persists, call a licensed contractor. Check if the maintenance information displays the hot water outlet temperatures. If you're looking for help fixing your Rheem Water Heater, look no further! If that does not work then you could confirm that the tankless unit is correctly grounded. Reset the unit using the Min/Max switches on the PCB. Step #3: Then, disconnect the cord from the power connection. Your Rheem tankless water heater will trigger the P1 error codes if there is a lack of sufficient water flow to activate the unit. Rheem error code 05 can be caused by blocked air ventilation and exhaust flue systems. When the ODS gets activated, your tankless water heater will trigger the error code 13. As soon as you spot an error code on your Rheem tankless water heater you may begin to panic as to what it means. Lastly, check the fan motor for proper operation. All rights reservedDisclaimer:The content published on hotwatertalk.com is not professional advice. Where You Can Find Current Information For Your Rheem Tankless Water Heater. Error Code 11indicates an ignition failure. Unfortunately, many things can cause an ignition failure. Rheem error code 15 means the heat exchanger is overheating. It may be the case that both the fan motor and the control board need to be replaced. You can compare this code to those on our list to find out what is wrong with your heater. If you want specific instructions, consult the owners manual. When you shop through links on our site, we may earn an affiliate commission. Close hot tap, cycle power on and off at GPO and open hot tap again. You might be able to fix the issue by pressing a single button, or you might need to call for professional help. Inspect the condition of the flame rod and blower motor, the air intake, and exhaust vents.
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