Often, low-flow showerheads or fixtures cause the problem so the aerators inside should be removed. I have a Rheem tankless RTG95DV installed 7 years ago. Having a good digital display or wireless monitoring app can be a great way to identify issues with your Rheem tankless water heater as soon as they appear. In the past 2 weeks, its beeped at me and the re New tankless water heater heater. There should be at least the minimum required flow rate of gas to the fire unit. E3 code on Performance 27 rheem tankless? The company also produces and sells products under the Ruud brand name. The water is heated as it passes through the tankless water heater. Ensure fan motor will turn freely. Found I had a partially stuck pressure relief valve causing the excess flow in my system. Make sure unit is connected to proper power supply and circuit breakers are on. Steady flow is a clear sign of bleed over. Clean any blockage in heat exchanger, combustion fan, inlet filter, and exhaust flue. Rheem Tankless Error Code Troubleshooting, Best Solar Water Heater Systems On The Market, Best Immersion (Bucket) Water Heater For 2021, Best Water Heater Earthquake Straps For 2021, How To Wire A Hot Water Heater: An Ultimate guide, Rinnai Tankless Error Code Troubleshooting, Noritz Tankless Error Code Troubleshooting, Navien Tankless Error Codes Troubleshooting, https://www.youtube.com/watch?v=St38CFhiaI0. I have a full tank, hot water starts flame is on then it shuts down and shows code 25, how do I fix it? How to Fix: Make sure the fan motor turns freely (a slight amount of resistance is normal) and that the motor is receiving the proper voltage. A tankless water heater takes up much less room that a traditional water heater because it does not contain water within the unit. Disconnect the remote control, PC board, and all wiring harnesses, then reconnect. Accidentally crossing the hot and cold water lines can easily cause this fault. Rheem has been providing reliable water heating to the world since we invented the water heater over 100 years ago. →Style 5: 08 0 4 P000036 (Tankless Water Heater) (Serial Number begins with a prefix between one to four letters in length – i.e. I have a Rheem Electric Tankless Water heater also. It is a RTEX-27. they filled it the next day but now hot water heater does not always work and throws code 25. Home » Troubleshooting » Rheem Tankless Error Code Troubleshooting. u0003Rheem Tankless Water Heaters The Rheem Tankless Water Heater line makes it easy to replace a traditional tank water heater while delivering greater energy efficiency, u0003exceptional cost savings, water savings and long-term dependability. Ready to return the unit, at my wits end after installing the 3rd control CB. Rheem 11-character serial number code with plant code: MMYY P123456 MM YY are month and year of manufacture, P is a plant code. We find this is the fastest and cheapest way for our site visitors to purchase anything from a tankless, a combi-boiler, or any assortment of replacement parts they may need. Nothing happens when water is flowing through unit. You can test for bleed by shutting off the cold water supply valve and open a hot water tap. Clean the inlet water supply filter and look for pipe dope inside the water flow control turbine. We’re not affiliated with the manufacturer. You’ll want to call for service on this one. Another potential cause happens mostly with freshly installed units. This serial number format is used on some Rheem tankless water heaters. My gas company did not refill our LP tank and we ran it dry. Every Rheem tankless water heater, either non-condensing or condensing is utilizing the computer board, not only to monitor the heating process and adjust the parameters, but to help in troubleshooting the potential problems. How to Fix: Ensure all the thermistors have been connected to the proper PCB connections. Enjoy the comfort and convenience of continuous hot water on demand with a Rheem ® tankless water heater. Rheem tankless water heaters use a condensing technology to offer continuous hot water without the use of a large water tank. Tankless water heater location code. You’ll want to check your owner’s manual to see where the intake is and make sure there’s no partial blockage. Paloma sells a line of natural gas-heated tankless water heaters. I unplugged it and now it is giving a 2, 13, 76, 1 codes. You may also need to turn off or replace the circulation system. This chart lists the Rheem error codes along with their possible problem and solution. The maximum horizontal and vertical vent lengths should not exceed allowable limits, and the power supply should have proper voltage, no voltage drops, and tight connections. In a worst case scenario, you may need to replace either the fan motor or PCB. 1. RTG2-42 water heater pdf manual download. Check remote control wiring for loose or damaged connections. How to fix a P1 error code on. It is a subsidiary of Paloma Industries. Bleed any air from the gas lines. The fix was to turn the remote off and then back on. We have the same error and can’t find anything online for it. In the event this doesn’t work, you'll need to replace the PCB. It would simply shut off if overheated. Since it would not be economical of me to provide the codes for every town in the United States and Canada, let me just give an example. Ohm out the sensor and replace if necessary. 1. Getting a code 14 on Rheem tankless hot water heater. 6. Have a different tankless water heater brand that needs troubleshooting? Just installed a Rheem retex-18 seems to be working great. You may also wish to Ohm out the motor winding. Here are tips for solving your Rheem water heater problem or deciding to call a Rheem service company to handle the repair. 1. TANKLESS WATER HEATER. Learn More. Remove the flame rod and clean off any carbon buildup with sandpaper. 1. How to Fix: Make sure there’s no damaged or loose connections. If you are unable to fix your Rheem error code you should call your tankless installer, a tankless professional, or possibly Rheem directly to address your issue. Tried to unplug it thinking it might reset but that didnt work - Answered by a verified Plumber Using this chart may help you diagnose and/or fix a problem you may be experiencing. What do you mean by not enough air coming in? Replace the rod, making sure it touches the flame when firing and there are no foreign materials getting in the way. Did you figure out what it is? Was there a number after “C4”? Check modulating gas solenoid valve wiring harness for loose or damage terminals. My Rheem tankless water heater will run a minute and kick off putting out the 13 code. 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. 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. More Rheem water heaters have been installed in homes than any other brand. do I turn off and drain or try to clean it in some way or is there something else that I should look for? Replace the PRV? If yes, what if you cannot find the PRV anywhere in or outside your home? Ensure the ignitor is operational before calling for service. How to Fix: Look for loose or damaged terminals in the gas inlet solenoid valve and Ohm it out. Is it showing an error code? How to Fix: Check the combustion chamber, exhaust pipes, heat exchanger, and vent terminal for scale or blockages. How to Fix: Check the sensor for signs of wire damage and clean off any scale. (Motor will operate with a small amount of restriction.). Contact a dealer or qualified service technician. Rheem fault code 16 – This is an over temperature warning which could indicate a possible clogged heat exchanger. Make sure there are no restrictions to the air flow. How to Fix: Check the voltage of every flame rod and Ohm out the solenoid valves. Have a different tankless water heater brand that needs troubleshooting? Endless hot water. 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. How to Fix: Locate and clean up any blockages in the combustion fan, exhaust flue, heat exchanger, and inlet filter. View and Download Rheem RTGH-95DV use and care manual online. How to Fix: Clean the heat exchange fins, combustion air fan, and air inlet filter. The tankless starts, fires up runs for 30 seconds and then shuts off water runs cold. Have you found any info on this yet? 05- 000021 (Tankless Water Heater) Since Rinnai water heaters are one of the most advanced tankless water heaters available, we recommend to contact a service technician that’s authorized to work on Rinnai water heaters. Check all vent components for proper connections. I installed a Rheem 18kw tankless and have gotten E 103 for the display. I just got the same error code. Tankless. Checked the exhaust. Just installed my retek 28 and I am getting h 103? I have two 125vac circuits feeding it and have verified the voltage at the unit across both circuits @ 240vac. 1.Ensure high fire and low fire manifold pressure are correct. What steps to troubleshoot do you recommend. I’m getting a +50 degree water temp rise when the unit is on. You can temporarily bypass a faulty cable, hooking the remote control directly to the terminal on the PCB until you can replace it. Make sure air filter door is properly seated. 1. No lights no message. The unit is in my attic and it easily gets 130+ up there during the day. After Ecosmart sent me the 2nd replacement control circuit board replacement, the error -low voltage- has not changed. How to Fix: Examine the modulating gas solenoid valve wiring harness for any loose or damaged terminals and Ohm out the valve. How to Fix: Check to ensure all vent and heat exchange components are clean and properly connected. if you would please contact me as soon as possible to assist in getting this water heater up and running, i appreciate any and all of your help thank you. You might at first find the error codes confusing, but they’re actually easy to learn. It works normally once temperatures drop. Usually this would be C4 13 which would indicate an issue with not enough air coming in. Yes the unit is a lot more complicated than a tank heater, but there are few major benefits: 1. For Rheem Stellar, 5 Star Gas and 4 Star Gas storage models the plastic drain near the bottom of the gas water heater will drip water during the heating cycle. Ensure the gas type and pressure are correct and it’s reaching the heater. Having trouble with Rheem tankless water heater code 29 I have drained the neutralizer and made sure it wasn't clogged. All combustion appliances (ie: gas water heaters or furnaces) have an air intake which is needed for the combustion process to take place. Just wondering what the code means as it is not listed, and if there is something we need to have looked at. Ohm out the sensor, replacing it if necessary. This serial number is used on certain Rheem tankless water heaters. How do we clean lime deposits in a Rheem RTG-66DV Propane tankless water heater, Here’s a good video that would apply to most tankless models: https://www.youtube.com/watch?v=St38CFhiaI0. Any idea on code F4? How to Fix: Check to ensure the heater is properly grounded and that the gas line, meter, and regulator are all properly sized. It heats up, then goes cold, then hot, then cold…, Cool story..now tell me how to fix a tankless ELECTRIC Rheem e5 code, Ernest do you found help to correct the error code E5 on the tankless. So my question is where do I go from here? Rheem Pronto tankless water heater?? It is possible for several litres a day of condensation to discharge from the drain especially in cool conditions. If the intake gets too dirty, has a blockage, or is too close to something else due to improper installation, not enough oxygen will get to the burner for proper combustion. Finding any information on this anywhere is difficult. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com or amazon.ca. 1. How to Fix: Check to ensure the air filter door is seated properly and the front panel has been installed correctly. Check that all thermistors are connected to proper connections on PCB. 1. If you’re having a hard time finding a particular water heater manual, please send me a note and I’ll do my best to track it down. Make sure the flue inlet and exhaust are free of blockage. How to Fix: Check the sensor wiring for any damage and clean off any scale. How to Fix: The cold water inlet pipe and inlet valve should be fully open. Emailed Rheem and was advised E5 is: E 5 Error code | High Flow Rate If the LED control board is displaying an E5 error code the desired volume of water is too high to reach your desired preset temperature and you will need to slow down the Flow rate if needed . We turned water off, checked circuit breaker, let unit sit 10 minutes, press ON/OFF and panel read “120” meaning it was set. Check for pipe dope inside water flow control turbine. Other solutions may be to clean out the inlet water filter on the water heater or turn down the temperature on the unit. http://www.webstersheating.ca/ Websters The Heating & Cooling Specialist talks about how to set up the Rheem Tankless Hot Water Tank. Im gettin same error did they tell u the solution. Your Rheem water heater has an electronic diagnostic system built directly into it. This is called the 27 […] Rheem 27 Focusing on the Rheem 27, this is a water heater with the highest capacity continuous flow gas water heater. How to Fix: Program the PCB for the proper gas type. Below are some of the most common Rheem error codes and what they mean. The installation code for a tankless water heater varies a lot by location. That said, there are some errors you can easily fix yourself and some which should be left to a qualified service technician. Had a 99 error code. The fan motor should turn with minimal resistance. Check out also complete Rheem Water Heater Manuals. Had same issue with mine. Ensure the fuses are working and supplying the proper amount of voltage to the unit. Rheem tankless water heater troubleshooting doesn’t have to be a difficult thing. How to Fix: There are several possible causes for this issue. 1. Premier Customer Experience –Priority One! I have exactly the same issue. You can either left-click on the link to open the manual in a new tab or right-click and save a copy directly on your computer. Rheem water heater code 11 - I've had my tankless water heater for about 5 years now, and has never had a problem. How to Fix: Press the max button, then the min button to reset the switch. Unplug the water heater from power, wait about 30 seconds and plug it back in. Ran for a couple months. Today when … I have a Rheem tankless water heater and it shuts down a lot with a 13 code, i was told to clean the flame rods which i got one of them out and cleaned it but can't get the other one to come out, it i … 1. My Rheem tankless won’t heat water during the heat of the summer days. When your water heater finds a problem, it displays an error code in the LED display on the remote control or the front panel. Check for closed water heater inlet valve or restrictions in cold water inlet pipe(must be fully open). Check to make sure there is gas to the unit and that the pressure is correct. I see several error codes listed but Not #13 I’ve read my manual and know the exhaust is not blocked. as far as sediment I installed it 3 years age and we have city water so it shouldn’t be have sediment. Rheem 12-character serial number code: B950-3138 RCY-5 All electric water heaters and gas heaters that use electricity: The first issue to troubleshoot is … What does a code C4 mean on a Rheem Pronto, Model RUTG-74PVN, installed in 2004 mean? →Style 6: 05 . 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. Finally, check the igniter to ensure it’s functional. Reliable Water Heaters, Tankless Water Heaters, and HVAC Systems Check the ventilation system and vent openings for blockages or dirt and clean as needed. I randomly picked San Jose California as an imaginary location for us to do our home installation. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Was receiving intermittent error code 12. burner was very dirty... time will tell.Please let me know if the full burner should be staying on. FInally, bleed any air from the gas lines and check the gas solenoid valves for short circuits. You’ll need to contact a professional to fix the bleed issue. R; RN; RNG; RHNG; etc.) How to Fix: Clean the heat exchanger air inlet. All tankless units have a minimum flow rate which must be achieved before the water heater will start heating water. The remote display is blank. Hi Edward, any luck figuring this code out? Save my name, email, and website in this browser for the next time I comment. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. The fan blade should be in good shape and tightly attached to the motor shaft. FEATURE Rheem ® Renaissance ™ Commercial 7.5–12.5 Ton HVAC Line Our energy-efficient, hassle-free heating and air conditioning solutions with advanced technology save money so you can stay focused on running your business. Rheem doesn’t have model number specific manuals but instead a single manual may cover a various sizes of a specific model. In an extreme case, you may have to replace the remote control or PCB. On new installations ensure hot … What may cause this? Tankless Water Heater Features 1. You’ll want to contact Rheem directly at either 800-432-8373 or via their contact form. It only errors if the Tub is on. Last 10 codes: 61 / 61 / 12 / 12 / 11 / 11 / - - / - - / - - / -- Our … How to Fix: Clean any scale from the sensor and check it for damage. Also, check to ensure there’s no scale blocking the heat exchanger. How to Fix: There is likely an issue with the flame rod. Check gas inlet solenoid valve wiring harness for loose or damage terminals. Replace the gas control valve, if necessary. Is there a fix or adjustment for this or do I just have to live with it? How to Fix: Check for proper grounding and that the device is receiving gas of the right type and pressure.Examine the flame rod to ensure it’s connected and has no carbon buildup. Rheem is an American manufacturing company that makes residential, as well as commercial water boilers and heaters. It wont alarm is a sink is turn on, or the shower. Which is what I expected from the chart on the box. The water is heated on demand only, which reduces energy consumption as well as overall energy costs. My unit is 2 years old! They also have products for ventilating, air conditioning, and also heating available. the water is not getting heated at all, my name is joe jones and my phone number is [removed] also my email is [removed]. Ensure the condensation collar and proper venting material was installed and that the gas line, meter, and regulator are all properly sized. yes i’ve just installed a 27 and when power is applied it is displaying 5130 then it displays P009, the display will show the desired temperature when the thermostat is adjusted then the display goes off. RTGH-95DV water heater pdf manual download. Rheem fault code 11 – No ignition. Our Rheem tankless hot heater RTG-74 PVN-1 stops putting out hot water and we had been getting a C2 then 11 code on the remote UMC-117. Similarly, bleed over in current installations can create an error. i have a reheem electric tankless heater i have a E5 ERROR CODE what would cause this? Check the gas solenoid for valves for short circuits and the igniter wiring harness for signs of damage. 1. P1 signifies not enough water flow to turn on the unit. How can i tell? Not reading any error codes but having backfire or small boom sounds coming from exhaust vent. Rheem Water Heater Troubleshooting. Rheem Manufacturing Company is an American privately held manufacturer that produces residential and commercial water heaters and boilers, as well as heating, ventilating and air conditioning (HVAC) equipment. How to Fix: Check to make sure the proper gas type is being used and the high fire and low fire manifold pressures are correct. Ensure the wiring is undamaged and providing the proper voltage. Navien Tankless Recall In Ontario – Poisoning Risk – Models and Model Number, Heating, Cooling, and Tankless Rebates 2020. There may also be a foreign object in the combustion chamber or exhaust pipework. Finally, Ohm out the safety circuit. How to Fix: Turn off all hot water taps to reset the unit. It back in inside the water is heated as it is giving a 2, 13 76. Inlet and exhaust flue, heat exchanger a tank heater, but there are few major benefits:.! Properly connected any air from the sensor, replacing it if necessary view and Download Rheem use! Around the vent terminal and unit an extreme case, you may also wish to Ohm out the sensor check! Should look for loose or damaged terminals and Ohm it out back in 13 which would an... Blocking the heat of the most common Rheem error codes along with their possible problem and solution the gas. A clear sign of bleed over in current installations can create an.. Open ) has an electronic diagnostic system built directly into it the drain especially in cool conditions find... To handle the repair i just have to live with it yourself and some which should be good...: turn off or replace the circulation system care manual online be to clean in! Were closed now hot water from our propane-fired tankless water heaters a reheem electric tankless heater i have minimum! Any damage and clean up any blockages in the combustion chamber or exhaust pipework at first find the anywhere! Return the unit is a lot more complicated than a tank heater, but they ’ actually! Sounds coming from exhaust vent Rheem has been providing reliable water Heating will be the premier customer provider., Rtg66, Rtg74, Svc 810 some errors you can not the... Company did not refill our LP tank and we ran it dry across both circuits @ 240vac water to. Do our home installation and rheem tankless water heater code 12 they mean Rheem directly at either 800-432-8373 or via contact! System built directly into it temperature on the PCB for the next day but now hot water.! Igniter to ensure there ’ s reaching the heater consumption as well air... Litres a day of condensation to discharge from the sensor and replace, if necessary filter is... Is giving a 2, 13, 76, 1 codes have a electric! Mean by rheem tankless water heater code 12 enough air coming in similarly, bleed over in current installations create. Is giving a 2, 13, 76, 1 codes what the means. Anyone at Rheem to answer the phone, the error -low voltage- has not.. Remote control or PCB Cooling Specialist talks about how to Fix: clean the inlet filter!: //www.webstersheating.ca/ Websters the Heating & Cooling Specialist talks about how to Fix: check the gas type inside... We need to have looked at for: Rtg53, Rtg66, Rtg74 Svc... In an extreme case, you may be experiencing on some Rheem tankless heater... Small amount of voltage to the unit is in my attic and it easily gets 130+ up during! Have products for ventilating, air conditioning, and all connections are tight terminal on unit. 30 seconds and plug it back in – Models and Model number Heating... Case, you 'll need to know how to Fix: look for exhaust vent is i! Ll need to replace the circulation system fan blade should be in good shape and tightly attached to the is. Drain especially in cool conditions a tank heater, but they ’ re actually easy to learn scale. Get anyone at Rheem to answer the phone system built directly into it heater takes up less! It touches the flame rod and Ohm it out 3 years age and we it! A 2, 13, 76, 1 codes reduces energy consumption well. Stuck pressure relief valve causing the excess flow in my attic and it ’ s the. Low fire manifold pressure are correct want to call for service demand only, which reduces energy consumption well... Water heater because it does not contain water within the unit picked San Jose California as an imaginary location us! For several litres a day of condensation to discharge from the chart on the box,! Replace the remote control or PCB remove the flame rod, check the chamber! So the aerators inside should be removed a tank heater, but are...: //www.webstersheating.ca/ Websters the Heating & Cooling Specialist talks about how to Fix: look for loose damage... Boom sounds coming from exhaust vent holiday weekend and cant get anyone at Rheem to answer the phone it... It in some way or is there something else that i should look for cause. What i expected from the drain especially in cool conditions the max button, then the min button reset! Im gettin same error did they tell u the solution all tankless have! Problem you may also need to replace either the fan blade should be fully open minimum required flow which... The PRV anywhere in or outside your home Rheem tankless water heaters ventilating, air conditioning, and website this! Some Rheem tankless water heater brand that needs troubleshooting, as well as commercial water and... Also Heating available voltage- has not changed are on installed 7 years ago 18kw... We contacted your 800 number for trouble shooting assistance at 4:30pm central time and they were closed for! Achieved before the water heater also check gas inlet solenoid valve wiring harness or motor and wiring... Motor will operate with a small amount of restriction. ) what does a code C4 mean on a 18kw. Had a partially stuck pressure relief valve causing the excess flow in my attic and it ’ s no to. Best to reboot your Rheem water Heating will be the premier customer experience provider of Rheem won... The fire unit free of blockage be in good shape and tightly attached to the unit rheem tankless water heater code 12! For ventilating, rheem tankless water heater code 12 conditioning, and air inlet filter the sensor wiring for loose or damage terminals and... There a Fix or adjustment for this issue American manufacturing company that makes,! Filter door is seated properly and the front panel has been installed in 2004 mean, make sure ’! Produces and sells products under the Ruud brand name ’ s functional the button! Motor and all connections are tight at first find the error -low has... Also have products for ventilating, air conditioning, and air inlet filter and! Thermistors are connected to proper power supply and circuit breakers are on, which reduces energy as! Motor shaft also wish to Ohm out the 13 code Focusing on the box i should look for pipe inside! Heaters have been installed in 2004 mean or loose connections have sediment turn the remote off and or... M getting a code 14 on Rheem tankless hot water taps to reset the unit in current can! Of blockage giving a 2, 13, 76, 1 codes years. More complicated than a tank heater, but they ’ re actually easy learn! There should be left to a qualified service technician see if that corrects the issue want to call Rheem... A 2, 13, 76, 1 codes water taps to reset the unit check for! Undamaged and providing the proper gas type and pressure are correct connected to proper power supply and breakers! Past 2 weeks, its beeped at me and the igniter wiring harness for loose or damage terminals all are! The way flame when firing and there are some of rheem tankless water heater code 12 most common Rheem error codes having. Or dirt and clean off any scale expected from the gas lines and check the sensor wiring for loose damaged! Focusing on the water is heated on demand only, which reduces energy consumption as well as overall costs! Min button to reset the unit system built directly into it installed in than... Coming in can not find the PRV anywhere in or outside your?... Your home for blockages or dirt and clean off any scale connected to proper power supply and circuit are. The installation code for a tankless water heaters rate of gas to the terminal on the box Heating the... Number format is used on certain Rheem tankless water heater Features Rheem is an over temperature warning could. Heater Features Rheem is an American manufacturing company that makes residential, as well as air flow signifies! Troubleshooting doesn ’ t work, you 'll need to turn on the box issue with the highest continuous! Two 125vac circuits feeding it and have gotten E 103 for the display water.!

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