Home / Rheem / Electric Tank Water Heaters / XE40M12EC55U1 / Instructions / Assembly Page: 19. ... A102 W ater sensor alarm Electronic control has detected water in ... Hi there. My Rheem 5500 Heat Pump Water heater just sent me Alarm Code -A107: Heater has detected water. I am travelling and away from my home at present and cannot check the Heater. My housemate is a … read moreSee full list on homeguidecorner.com Other than a heat pump water heater, all of these smart WH are is a standard water heaters with a fancy controller, and like all electronics they are subject to failure. Standard electric water heaters have two heating elements and two mechanical thermostats. Generally bullet proof and years without failures and the parts are cheap.Troubleshooting Guide. 3885 Crestwood Pkwy., Ste. 500 • Duluth, Georgia 30096. A member of the Rheem family of brandswww.htpg.com • Phone:800-288-9488, 256-259-7400 • Fax: 256-259-7478. March 12, 2020 # Remedy Ensure voltage selector switch is set to the proper setting (115V or 230V) and power harness is connected to controller board. Use ...Clear the alarms. The unit will operate with sensor unplugged. ... Rheem Water Heating 800 Interstate Park Dr. Montgomery, AL 36109 www.rheem.com cc In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice. 6/4/2019 TB-1333 Rheem XE50T12EC55U1 is an electric water heater with an electronic control system. ... A102 Water sensor alarm. ... If there is no water present, disconnect the ... A102 Water Sensor Alarm, Smart Features Prevent Leak Damage and Save You Money Water Heating Blog Rheem Manufacturing Company, SANGOMA AFT SERIES A102 T1 voice card AFT BASE Home 2024-02-287 Water leaks from the heater only, as tested across scenarios including a minimum of 5.5mL/hr volume leak rate, using most common installation scenarios. Source: Rheem Leak-Sensing Data: Time starts when leak begins and ends when sensor alarm is triggered.Dealing with False Water Leak Alarms in Your HVAC System. When it comes to maintaining a comfortable and safe home environment, your HVAC system plays a pivotal role. However, sometimes homeowners may encounter false alarms from their system's leak sensors, which can be both confusing and concerning.View and Download Rheem ECONET Series installation instructions online. ECONET Series electronic dictionary pdf manual download. ... When an alarm is detected, the number displayed in the translator will blink. ... Verify the water sensor is. Water Sensor Not. S300. connected properly to the. Installed. EcoNet translator. Possible Freezing.Read page 2 of our customer reviews for more information on the Rheem Gladiator 50 Gal. Medium 12 Year 5500/5500-Watt Smart Electric Water Heater with Leak Detection and Auto Shutoff. ... We did have an alert for the water sensor but it cleared after our dehumidifier ran in proximity. I love the Wi-Fi feature and ability to schedule hotter ...Herrell Plumbing- Rheem: Water Heater Installation————————————————————-Music:Jumpin Boogie Woogie by Audionautix is licensed ...Detailed Rheem Marathon water heater installation video. The installation process should be nearly identical for other electric water heaters, but there are ...Jan 3, 2023 · My Rheem gladiator electric water heater alarm went off showing code A104. So I replaced the upper and lower heating elements. I replaced just the upper but then got A105 so I replaced the lower too. Manuals Brands Rheem Manuals Plumbing Product Performance Platinum 50 gal. Tall 12 Year 5500/5500-Watt Elements Electric Water Heater with LCD Touch Control Display ... ERROR CODES CODE SCROLLING MESSAGE A100 Lower temperature thermistor failure A101 Upper temperature thermistor failure A102 Water sensor alarm A103 Fill …To replace the heating element in a Rheem water heater, the installer removes the old element and screws the new one into its place. Before beginning the task, he should press the ...If no sensor is installed, cycle control and line voltage power. A111_A EXV Temp Thermistor Failure 8 Flashes This refers to the suction thermistor that drives the EEV. Check to be sure this sensor is in place and not faulty. Use the 10k@77 degree resistance/temperature chart. Replace sensor A201_A A Float Switch Trip - Air HandlerRheem gladiator electric water heater. Xe50m12cs55u1 ??? Just got followed instructions but keep - Answered by a verified HVAC Technician ... Make sure they it's not water in the pan, unplug the sensor and dry it then plug it back in. ... My Rheem gladiator electric water heater alarm went off showing code A104. So I replaced the …Aug 1, 2022 · My Rheem gladiator electric water heater alarm went off showing code A104. So I replaced the upper and lower heating elements. I replaced just the upper but then got A105 so I replaced the lower too. … read more If you're looking for help fixing your Rheem Water Heater, look no further! Our comprehensive Rheem Water Heater error code guide will explain common issues,...I stopped setting an alarm. I stopped caring ....about the early bird getting the worm, how most successful people wake up before 5am, how I’m told I should try to... Edi...A102 Water Sensor Alarm, Smart Features Prevent Leak Damage and Save You Money Water Heating Blog Rheem Manufacturing Company, SANGOMA AFT SERIES A102 T1 voice card AFT BASE Home 2024-02-28Microwave sensor cooking uses temperature and humidity sensors inside the microwave to determine when the food is ready. When a microwave heats food, it excites the water in the fo...Shop 50 Gallon: https://www.ebarnett.com/Sku/314135914/rheem-prestige-50-gal-tall-12-year-45004500-watt-smart-electric-water-heater-with …rheem low boy power vent hot water tank , replace 2 in less than 1 year, ready for number 3. seems my basement is more of a cellar, and the dampness affects your sensor, and it won't restart. Told it …Get free shipping on qualified Water Alarms Water Heater Accessories products or Buy Online Pick Up in Store today in the Plumbing Department.Read more/comment at:"Replaced my failed gas water heater with a more efficient Rheem hybrid electric with WiFi, its quiet heat pump pulling moisture out of ...Customer attachment 9/25/2022 1:40:15 PM I disconnected the 1/2" grey pipe at the bottom and blew through it with no water coming out on the other end. Did same for short black 1/2" rubber pipe at the top of the white collector box. The collector box has a small amount of water at the bottom.The simple low-cost water leak alarm that warns you of a water problem before it becomes a flood. Installation is simple - just place it and forget it. Applications: basements, water heaters, sinks, sump pumps, laundry room, hydronic heating, windows, toilets and more. Flood Buzz Pro comes with an internal battery with up to three-year life.b. If water is present, dry off sensor and drain pan using a paper or cloth towel. i. Sensor can be unplugged for 24 to 48 hours to allow to dry. 4. If pan and sensor are dry and no blockage is present, condensate sensor should be checked with an ohm meter. Condensate sensor should read “open”. If resistance is present, replace condensate ...Check to be sure this sensor is in place and not faulty. Use the 10k@77 degree resistance/temperature chart. Replace sensor A201_A A Float Switch Trip - Air Handler Aux In 1 These are Configurable contacts through EcoNet Control Center. Only a cooling shut down will occur. 7 It will not shut heat pump heating mode down. Verify accessory …Continued overheating can damage the internal parts of a Rheem tankless water heater and may make water scalding hot, which is dangerous. Usually, tankless water heaters have built-in sensors that monitor the temperature of the hot water and shut off in case the temperature exceeds safety limits.3. Remove The Access Panel Cover Of The Unit. To access the unit's interior components, open the metal plate cover by turning the knob on the lower right of the panel 90 degrees to the left and open it up. Verify that none of the parts has any obvious damage. 4. Locate The Flame Sensor.If no sensor is installed, cycle control and line voltage power. A111_A EXV Temp Thermistor Failure 8 Flashes This refers to the suction thermistor that drives the EEV. Check to be sure this sensor is in place and not faulty. Use the 10k@77 degree resistance/temperature chart. Replace sensor A201_A A Float Switch Trip - Air HandlerMay 29, 2021 · just installed hot water heater rheem gladiator all good for. a few hours then A102 code with water leaking? cant find where leaking silenced alarm what next … read more WCohn When it comes to purchasing a new water heater, considering the price is an essential factor. Rheem, a trusted brand in the industry, offers a wide range of water heaters to suit d...Manuals Brands Rheem Manuals Plumbing ... A101 Upper temperature thermistor failure A102 Water sensor alarm A103 Fill tank with water A104 Emergency cut off alarm ...rheem water heater problems. Goodmorning, I have a Rheem tankless water heater and it stopped providing hot water and was beeping on the Rheem main controller UMC-117. The display showed 29 … read moreCustomer review of our Rheem Performance Platinum 50 Gallon Electric Hot Water Heater with EcoNet WIFI module capability, and leak detector sensor. This hot ...I have a Rheem Hybrid 50gal water heater Model PROPH50 T2 RH375.30 and it is icing up on the expansion valve and coil creating an condensate alarm. It is doing it in on Heat Pump, High Demand & Energy …1 Applies to Premium models only. Water leaks from the heater only, as tested across scenarios including a minimum of 5.5mL/hr volume leak rate, using most common installation scenarios. 2 Applies to Premium models only. Rheem Leak-Sensing Data: Time starts when leak begins and ends when sensor alarm is triggered. 3 Applies to Premium models only.Switch it into traditional mode (meaning it uses only the elements to heat the water). Try to clean out the condensate line and call Rheem tech support. The setup looks fine, except the water sensor should be in the heater pan, there should be a drain on the heater pan, and you need a 6 once air gap between the ground and your popoff valve line ...Getting a A102 fault code. Rheem and it's 3 yrs old. Just started today. ... I understand you're looking for assistance with bypassing the rope sensor on your Rheem water heater. Is that correct? Customer: yes JA: ... I have a Rheem EX50M12CS55U1 water heater with ‘service needed alarm'.The Rheem water heater I bought went out months before the warranty ran out. Rheem sent me the part and I had Southern Calif. Gas Co. install it and they charged 43.00 to install it but not Rheem for some reason will not reimburse me for the 43.00. I sent everything they asked me for - model no. and all that stuff.If no sensor is installed, cycle control and line voltage power. A111_A EXV Temp Thermistor Failure 8 Flashes This refers to the suction thermistor that drives the EEV. Check to be …If your shelf is brick/cement and in a moist location, it's possible that there is enough moisture being retained by the material to set off the sensor. Mine kept alarming on my cement basement floor even when it was visibly dry. Turns out that putting the sensor on a paper towel that was folded in half solved the issue. In the event there is a ...1“Energy Saver” that only turns on the heatpump after the element as somewhat warmed the tank and will turn on the element is the heat pump takes too long to warm the water. 2 “Normal” is the same as energy saver but gives the heat pumps less time to its job. 3 “Electric Only” this turns off the heat pump.Got Hot Water? If your water heater is giving a error for Flammable Vapor Sensor then keep reading and watch this video! Fortunately this error code can be r...Oct 10, 2023 · Unlock the keypad. Leak Detection Alarm After Resetting. Water in cold water channel area. Remove moisture or water from the leak detection area. Flashing Light. Faulty elements, tipped wire, or eco reset. Requires a professional to look into the problem. Rattling Noise. Heat trap fittings in operation mode. 1 Applies to Premium models only. Rheem leak-sensing data; testing under a vacuum lock using 50-gallon tank, no expansion tank, average tank pressure of 40 psi, assuming no additional faucets are opened. 2 Applies to Premium models only. Rheem Leak-Sensing Data: Time starts when leak begins and ends when sensor alarm is triggered.Aug 1, 2022 · My Rheem gladiator electric water heater alarm went off showing code A104. So I replaced the upper and lower heating elements. I replaced just the upper but then got A105 so I replaced the lower too. … read more See what other customers have asked about Rheem Gladiator 50 Gal. Medium 12 Year 5500/5500-Watt Smart Electric Water Heater with Leak Detection and Auto Shutoff XE50M12CS55U1 on Page 3. Rheem XE50T12EC55U1 is an electric water heater with an electronic control system. ... A102 Water sensor alarm. ... If there is no water present, disconnect the ...Your water heater from Rheem comes with a water temperature sensor. It is also known as the flow meter sensor. If the sensor becomes faulty, it will fail to send a signal, indicating the issue.Read page 2 of our customer reviews for more information on the Rheem Gladiator 50 Gal. Medium 12 Year 5500/5500-Watt Smart Electric Water Heater with Leak Detection and Auto Shutoff.Rheem XE50T12EC55U1 is an electric water heater with an electronic control system. ... A102 Water sensor alarm. ... If there is no water present, disconnect the ...Read page 2 of our customer reviews for more information on the Rheem Gladiator 50 Gal. Medium 12 Year 5500/5500-Watt Smart Electric Water Heater with Leak Detection and Auto Shutoff.So couple of weeks ago this alarm came in. ... My Rheem heat pump water heater was installed back in Nov 2020 but I did not move in to the house til Mar 2022. This past week I have encountered the dreaded A005 code twice where the DT temp sensor was around 185% when I checked. ... If the attic temp is say 50 the exhaust air is about 35F - so ...First Sensor News: This is the News-site for the company First Sensor on Markets Insider Indices Commodities Currencies Stocksoutdoor unit control board. This sensor is mounted below control box (from factory) or may have been relocated by installer. Verify connection and wiring of sensor to outdoor control board. Verify resistance/temperature using 10k@77 degree scale. T957_O Low Refrigerant Pressure Low pressure switch has tripped.can I just unplug it and clear code. Plumber: Tim G. I would unplug it and dry it out thoroughly with a fan or wrapped in paper towel for a couple hours. Then put back in place. You can try unplugging. Then reset power to see if it will clear.GEN 5 Leak Sensor / Shut Off Valve Kit. $198.81. IN STOCK. Quantity. Add to Cart. Leak sensor and shut-off valve limits leaks to no more than 20 oz. of water. Detects any leak large or small, internal or external. Upgrade ProTerra 15 Amp and 30 Amp models to protect from water damage. Direct replacement for Rheem hybrid water heaters.See full list on homeguidecorner.com Continued overheating can damage the internal parts of a Rheem tankless water heater and may make water scalding hot, which is dangerous. Usually, tankless water heaters have built-in sensors that monitor the temperature of the hot water and shut off in case the temperature exceeds safety limits.Rheem GHE80-130 Service And Training Manual (61 pages) 80 & 100 Gallon Ultra-High Efficiency Water Heaters. Brand: Rheem | Category: Water Heater | Size: 4.42 MB. Yes all I can find it says if you still get the alarm after the 24 clear alarm perid lapses call rheem. It may be a little late to get through maybe one of their techs can address the issue remotely you dont know until you ask. When reset, I heard a loud noise at the water heater like relays resetting. There's a hum at the heater, but the econet display panel on the front of the heater that displays temps, maintenance codes. etc. is now blank. ie dark, no readings.A107 alert even though drain pan is dry. Rheem hybrid water heater. Contractor's Assistant: I understand your concern about the A107 alert on your Rheem hybrid water heater, and the HVAC Technician will be able to help you troubleshoot and resolve this issue. Have you checked the condensate drain line for any blockages or …Get free shipping on qualified Water Alarms Water Heater Accessories products or Buy Online Pick Up in Store today in the Plumbing Department.However, ionization alarms are faster to detect rapid, flaming fires due to flammable materials, a risk higher in gas water heaters. 2. One solution is to use ‘dual sensor’ alarms that include both ionization and photoelectric devices. Of course, these come at a cost. Some alarms use gas sensors, detecting high levels of Carbon …Unlock the keypad. Leak Detection Alarm After Resetting. Water in cold water channel area. Remove moisture or water from the leak detection area. Flashing Light. Faulty elements, tipped wire, or eco reset. Requires a professional to look into the problem. Rattling Noise. Heat trap fittings in operation mode.Oct 6, 2023 · Hi there. My Rheem 5500 Heat Pump Water heater just sent me Alarm Code -A107: Heater has detected water. I am travelling and away from my home at present and cannot check the Heater. My housemate is a … read more The monitor comes with a 10-foot smart sensor that monitors the water level in the sump area, a 6' Re
Rheem AP19134 - Rope Water Sensor, AP19134- Rope Water Sensor. Free shipping on orders over $99 ... Rheem Tankless Water Heater Parts. Rope Water Sensor, AP19134. Brand: Rheem. SKU: AP19134. Rating: (0) Q&A: (0) Hover image to zoom ...Manuals Brands Rheem Manuals Plumbing Product Performance Platinum 50 gal. Tall 12 Year 5500/5500-Watt Elements Electric Water Heater with LCD Display ... ERROR CODES CODE SCROLLING MESSAGE A100 Lower temperature thermistor failure A101 Upper temperature thermistor failure A102 Water sensor alarm A103 Fill tank with water A104 …Local Mode For additional unit information, you can connect directly to the water heater via local mode and use the Rheem EcoNet® app for more details alarm and alert information. To connect to the water heater via local mode follow these steps. 3. Press the connect button in the app. 1.Rope Water Sensor (includes clips) $22.69. IN STOCK. Quantity. Add to Cart. IMPORTANT: Water Heater parts and accessories should only be installed by qualified technicians. Failure to understand and follow the manufacturer’s installation and use instructions may result in fire or explosion, electric shock, property damage, injury or loss …Rheem Gas Water Heater Red Light Code Flashing 1 Time. If your Rheem tankless water heater’s red flashing light is blinking once every 3 seconds, it is in operational mode. It also means the temperature mode is also just fine and in the pilot position. In short, if the light flashes 1 time with a 3-second pause every time, it is working normally.Continued overheating can damage the internal parts of a Rheem tankless water heater and may make water scalding hot, which is dangerous. Usually, tankless water heaters have built-in sensors that monitor the temperature of the hot water and shut off in case the temperature exceeds safety limits.Mar 26, 2022 · Ambient temperature sensor failure. The unit should still work by using heating elements. The instruction manual says to ohm test the sensor. So you’ll need an electrical test meter that reads ohms. Yes all I can find it says if you still get the alarm after the 24 clear alarm perid lapses call rheem. It may be a little late to get through maybe one of their techs can address the issue remotely you dont know until you ask.Triton Service Manual SVC1020T ; Rev 4 80 and 100 gallon chassis Troubleshooting Error Codes Error A101 Configuration Data Restore • Cycle power and attempt to clear alarm. …Common problems with a Rheem water heater include a lack of hot water and incorrect water temperature. Problems and solutions vary based on the type of water heater. The amount of ...I can't find the model number and i have an alarm going off every 30 minutes or so the code is a102 water sensor how can i fix this Rheem XE50M12EC55U1. ... The code is A102 water sensor. How can i fix this ... How do I reset water sensor I had pipe leak above heater when I fixed pipe leak it's not making hot water says there is a water sensor ...Jan 28, 2023 · HVAC: 50 Gallon Rheem Electric Water Heater Installation (Electrical & Plumbing Installation) Water Heater Replacement / Water Heater Leaking Water / Water H... Rheem AP19134 - Rope Water Sensor, AP19134- Rope Water Sensor. Free shipping on orders over $99 ... Rheem Tankless Water Heater Parts. Rope Water Sensor, AP19134. Brand: Rheem. SKU: AP19134. Rating: (0) Q&A: (0) Hover image to zoom ...I stopped setting an alarm. I stopped caring ....about the early bird getting the worm, how most successful people wake up before 5am, how I’m told I should try to... Edi...Read page 2 of our customer reviews for more information on the Rheem Gladiator 50 Gal. Medium 12 Year 5500/5500-Watt Smart Electric Water Heater with Leak Detection and Auto Shutoff.So couple of weeks ago this alarm came in. ... My Rheem heat pump water heater was installed back in Nov 2020 but I did not move in to the house til Mar 2022. This past week I have encountered the dreaded A005 code twice where the DT temp sensor was around 185% when I checked. ... If the attic temp is say 50 the exhaust air is about 35F - so ...Step 1: Check The Leak Source. You know there is a problem with the leak sensor when there is a leak but the alarm didn’t go off. Or, the alarm went off but it did not turn off the shut-off valve and stop the leakage. If any of these two things happened, you need to reset the sensor. But first, you need to find the source of the leakage.Step 1: First up, turn off the power to the water heater. Step 2: Remove the user interface control and insulation to access the reset button. Step 3: Remove the thermostat protective cover as well. You will see a red reset button on the power board and upper sensor assembly.Manuals Brands Rheem Manuals Plumbing Product Performance Platinum 50 gal. Medium 12 Year 5500/5500-Watt Elements Electric Water Heater with LCD Touch Control Display ... ERROR CODES CODE SCROLLING MESSAGE A100 Lower temperature thermistor failure A101 Upper temperature thermistor failure A102 Water sensor alarm A103 Fill …A102 Water Sensor Alarm, Smart Features Prevent Leak Damage and Save You Money Water Heating Blog Rheem Manufacturing Company, SANGOMA AFT SERIES A102 T1 voice card AFT BASE Home 2024-02-28n LED Screen with built-in water sensor alert with audible alarm ... 2Source: Rheem Leak-Sensing Data; testing under a vacuum lock using 50-gallon tank, no expansion tank, average tank pressure of 40 psi, assuming no additional faucets are opened. ... Rheem Water Heating • 1115 Northmeadow Parkway, Suite 100View and Download Rheem Gladiator use & care manual online. Electric Residential Water Heaters With Electronic Control. Gladiator water heater pdf manual download. ... Locking will reduce chance of unintentional changes CLEAR WiFi CLEAR WiFi ALARM SETUP ALARM SETUP in water temperature. SET POINT (°F) SET POINT (°F) …Ambient temperature sensor failure. The unit should still work by using heating elements. The instruction manual says to ohm test the sensor. So you’ll need an electrical test meter that reads ohms.Continued overheating can damage the internal parts of a Rheem tankless water heater and may make water scalding hot, which is dangerous. Usually, tankless water heaters have built-in sensors that monitor the temperature of the hot water and shut off in case the temperature exceeds safety limits.Rheem XE50M12EC55U1 Electric Tank Water Heaters instruction, support, forum, description, manual ... leak it's not making hot water says there is a water sensor alarm ...Shop 50 Gallon: https://www.ebarnett.com/Sku/314135914/rheem-prestige-50-gal-tall-12-year-45004500-watt-smart-electric-water-heater-with …How To Troubleshoot And Clear A102 Code On Rheem Water ... A Comprehensive Guide” explores the common issue of chamber sensor failure in Rheem water heaters. These sensors play a vital role in ensuring the safety and efficiency of your water heater by monitoring combustion chamber temperatures. This article provides …MOEN Flo Smart Water Leak Detector/Humidity Sensor with Programmable App and Alarm. Model # 920-004 SKU # 1001626070. (120) $75. 00 / each. Out of Stock Online. Not Sold in Stores. View Details. Compare.Step 1: Check The Leak Source. You know there is a problem with the leak sensor when there is a leak but the alarm didn’t go off. Or, the alarm went off but it did not turn off the shut-off valve and stop the leakage. If any of these two things happened, you need to reset the sensor. But first, you need to find the source of the leakage.Feb 25, 2022 · In this video, we discuss the auto shut off feature with Rheem water heaters. This safety switch is designed to protect the homeowner by shutting off the wat... Rheem CNRHE50, PROPE40 T2 RH95 EC2, PROPE50 T2 RH95 EC2, CNRHE50P Table of contents Languages Multilingual ... A102 Water sensor alarm. A103 Fill tank with water. I have a rheem gladiator electric water heater. The leak sensor goes off daily without any visible leaks. Been doing - Answered by a verified HVAC Technician ... rheem water. A102 code keeps coming on and it's not leaking ... My Rheem gladiator electric water heater alarm went off showing code A104. So I replaced the upper and …How to Reset Rheem Tankless Water Heater. Reset the unit to delete the code via these steps: Switch on the heater circuit breaker. Next, pry open the panel cover and locate the reset button. Push the button until it clicks into place and opens. Furthermore, reconnect the gas valve. The heaters should power on.Navien Tankless Water Heater cycles on and off due to a clogged faucet aerator, bad flow sensor, and a restricted cold water inlet filter. Apart from these, clogged exhaust venting and defective 3-way valves can also cause the unit to cycle on and off every 8-10 seconds.Troubleshooting rheem. My rheem water heater says there is a leak and turned itself off, but i dont see any water in - Answered by a verified HVAC Technician ... The first warning i got was "Alarm type: EcoNet Alert - A102 : Gladiator Water Heater Water Sensor Alarm. Please check for water heater for potential leaks to prevent …Error A102 means the heating source defaults to elements due to heat pump temperature sensor malfunction. The following steps can help you check the issue. …7 Water leaks from the heater only, as tested across scenarios including a minimum of 5.5mL/hr volume leak rate, using most common installation scenarios. Source: Rheem Leak-Sensing Data: Time starts when leak begins and ends when sensor alarm is triggered.Made in US. Size: 6.7X2.7X9.4 inches.Includes: FV Sensor (AP13447-3), Cap Plug (AP13450-3), and 6" Wire Tie. HVAC replacement part Rheem SP20172. Rheem/Ruud replacement FV sensor kit. This product replaces the AP13447-3 (this kit includes this sensor) › See more product details.Mar 26, 2022 · Ambient temperature sensor failure. The unit should still work by using heating elements. The instruction manual says to ohm test the sensor. So you’ll need an electrical test meter that reads ohms. we have a Rheem Prestige model #RTGH-84XLN. This morning we had no hot water, on investigation I saw that the temperatur