too high (40°C 10 min) 22. If you're looking for help fixing your Rheem Air Conditioner, look no further! I have a Rheem RGFD modulating furnace and it is displaying a flashing 66 LED code. Other Light Codes. thermostat message in fault area of comm. Error Code 13: The flame was lost. Check memory card to ensure it matches device, Thermostat out of calibration – set too high, High-pressure control open/Low-pressure control open. Ignition Failure. Misappliedwrong indoor air mover - replace With properly sized unit. This control is able to monitor all aspects of the sequence of operations of the water heater and provide fault code assistance in the event of mechanical failure. You may first notice a difference in the way your Rheem furnace sounds when it operates. However, on the weekend the electrical controller (a 10cm X 5cm X 8cm box marked "Rheem Solar Lowline Domestic Control Unit") attached to the circulation system, starting showing a flashing red "Attention" light. There are Rheem furnaces, which can be ‘twinned’, i. e. used together and sharing a thermostat or duct network. CODE: 14 replacing the IFC. “ATTEND TO FAULT” CODE DESCRIPTION O C H F 10 11 12 13 14 20 22 26 33 55 57 58 59 61 93 Standby Compressor on (cooling or heat pump heat) Gas heat on Continuous fan on 1 hour lockout Failed ignition Low flame sense Flame lost Unexpected flame Twinning fault Main limit open Line and neutral reversed Mrlc (man. Disconnect all power to unit before servicing. CODE: 12  PROBLEM: Low flame detected. If the power supply to the solar control unit is on and the green LED is off or the red LED is flashing, this indicates there may be a fault with the water heater. My Rheem 13PJL30A01 is not keeping freon . The unit has received a command for first stage heat pump during an active anti-short cycle timer or minimum run time, Wait unit timer has expired or press the TEST button to defeat short cycle delay. Contactor may break only one side. Display Codes 0– standby. Shared Data Faults Blower Faults d1 No Shared Data 60 Blower Fault - Blower Remains Running d3 Airflow Mismatch 61 Blower Fault - Blower Not Running d4 Memor Card Invalid 66 Blower Overspeed Fault d5 Card-Hardware Conflict 68 No Communications with Blower Motor d6 Blower Horsepower Conflict d7 Blower Manufacturer ConflictGas Valve Faults Low Line Voltage or No Line Voltage Fault, High Pressure Control Open. 49 Eight-One Flash, three second pause FVS fault detected 89 Eight-Two Flash, three second pause Temperature sensor fault detected 15 Eight-Three Flash, three second pause Electronics fault detected 93 Eight-Four Flash, three second pause Valve fault detected No Power or No Blower Motor Indications Display Nothing happens at all. The compressor has continuously run for more than 18 hours in the cooling mode. Wait unit timer has expired or press the TEST button to defeat short cycle delay. A tankless water heater takes up much less room that a traditional water heater because it does not contain water within the unit. What does a code C4 mean on a Rheem Pronto, Model RUTG-74PVN, installed in 2004 mean? Use this table as a quick and simple guide and fix your air conditioner on your own. Room temp. Rheem fault code 11 – No ignition. Diagnostic Description No command for unit operation. Flame Failure. Rheem air troubleshooting may be easier than you expect. I have a rheem gas furnace that just began showing code 26, for " line and neutral reversed." Related Review Pages:Rheem Air Conditioner Reviews, Rheem Furnace Reviews. Error Code 14: There was an unexpected flame. i didn't start using the unit until a couple of weeks ago. In case of Rheem heat pump not working you should address these checklists. Is disply flashing a fault code Is “FLAME” LED blinking or steady-on ? Other Light Codes. Check for correct voltage at compressor. My Rheem tankless water heater will run a minute and kick off putting out the 13 code. - Furnace repair service heating installation HVAC ac repair heating rebate Hot Water Tanks, Boilers BC Furnace Vancouver Burnaby Surrey Coquitlam Richmond CODE: 93  PROBLEM: Problem with the control. page 90: furnace fault codes with descriptions and solutions (table 21) table 21 furnace fault codes expanded w/descriptions and solutions fault codes displayed text code at dual 7-segment display of ifc & fault area of comm. The data in the memory card inserted into the control board does not match the data in the control. Turn off or remove circulation pumps. This website uses cookies to ensure you get the best experience Our, Actron AC Error Codes and Troubleshooting, Hitachi AC Error Codes and Troubleshooting, Unit has received a command for first stage cooling, Anti-short cycle timer (3 minutes) or Minimum run timer (30 seconds) active, Unit has received a command for second stage cooling, Unit has received a command for first stage heat pump, Anti-short cycle timer (3 minutes) or Minimum run timer (30 seconds) action, Unit has received a command for second stage heat pump, A command for compressor operation is present but no current is measured to the compressor. Some of the troubleshooting tips that might save you time are as listed below. I unplugged it and now it is giving a 2, 13, 76, 1 codes. | View our. I unplugged it and now it is giving a 2, 13, 76, 1 codes. Check to make sure there is gas to the unit and that the pressure is correct. CODE: 10  PROBLEM: There's a one-hour lockout in place. My Rheem tankless water heater will run a minute and kick off putting out the 13 code. This website uses cookies to improve your experience while you navigate through the website. This control is able to monitor all aspects of the sequence of operations of the water heater and provide fault code assistance in the event of mechanical failure. Tthis ac only indoor working error code. Error Code 26: Reversal of line and neutral. But opting out of some of these cookies may affect your browsing experience. symptom: furnace operation halted due to water being sensed in the secondary heat exchanger. The tables below contain the lists of possible breakdowns which may happen with Rheem heat pumps of different modifications. FIX: Check unit placement - If the outdoor unit is in a high temperature area, wait until the ambient temperature drops and check sensor reading. One I'm stuck with is on my 4yr old Rheem HE furnace. CODE: 26  PROBLEM: Reversal of line and neutral. REMEDY: Recover refrigerant. Check and tighten all connections. Household owners choose to twin turnaces when a large area needs to be heated, and there is no opportunity to install a large furnace. Always check that your furnace is plugged into the wall outlet and turned on. All rights reserved. When the FH disappears, the boiler is ready to function automatically whenever the external controls. This category only includes cookies that ensures basic functionalities and security features of the website. Rheem, a furnace and home appliance manufacturer based in California, produces a line of furnaces for home use. Rheem fault code 05 – Indicates imperfect combustion. SYMPTOM: Outdoor fan runs, compressor doesn’t, REMEDY: Increase speed of blower or reduce restriction. Contact Paloma/Rheem customer (800-432-8373) support; tell them the code you are displaying. Filter damage . Power. This applied to furnaces of the same model and make. Hello a code means that the primary pressure switch will not close. These cookies do not store any personal information. - Furnace repair service heating installation HVAC ac repair heating rebate Hot Water Tanks, Boilers BC Furnace Vancouver Burnaby Surrey Coquitlam Richmond Hello a code means that the primary pressure switch will not close. 62 Comment:*document.getElementById("comment").setAttribute( "id", "ab5e277949a6e1ccc07ced3dcedb50f0" );document.getElementById("f10f73214b").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. CODE: 12 PROBLEM: Low flame detected. Evacuate and recharge. Related Troubleshooting Pages:Rheem Air Conditioner Troubleshooting, Rheem Furnace Troubleshooting. Replace memory card With correct system information. The water is heated as it passes through the tankless water heater. 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 … Rheem AC Error Codes. KDM did a very professional job paying attention to safety and TSSA codes for this type of work. So what is the reason for not working, please can you tell me thanks, Your email address will not be published. CODE: 22  PROBLEM: Problem with high limit. I'm not keen to pay a repairman $143 call out fee plus $27 per hour repair for a problem with no symptoms. The red … ICC alternately flashes L and 29, The ICC detects the on—board fuse is open. Increase speed of blower or reduce restriction. So is the case with… I have a Rheem RGFD modulating furnace and it is displaying a flashing 66 LED code. *Most failures are not due to the IFC. Double check all other possibilities, including the ground connection or wire connections, before Ensure TSTAT is not in “FAN” position. Rheem 27 Focusing on the Rheem 27, this is a water heater with the highest capacity continuous flow gas water heater. Our comprehensive Rheem Furnace error code guide will explain common issues, provide tips, and show you how to read your model's error codes. Replace air filter. Error Code 12: Low flame detected. So, I've got the old intermittent fault problem. Our comprehensive Rheem Furnace error code guide will explain common issues, provide tips, and show you how to read your model's error codes. If system Will not operate, order new memory card to update system information. We also use third-party cookies that help us analyze and understand how you use this website. Last week it stopped blowing warm air and had Fault 59 for blocked drain. Display Codes c flashing Diagnostic Description Anti-short cycle timer (3 min.) - Furnace repair service heating installation HVAC ac repair heating rebate Hot Water Tanks, Boilers BC Furnace Vancouver Burnaby Surrey Coquitlam Richmond What have you tried so far? when i turn on hot water at the bathroom sink, i get constant super hot water even after 20 mins so it appears that water heater is working just fine. Note: The low pressure control is ignored for the first 90 seconds of compressor operation, Active Protection, Low Pressure Control Trip. 49 Eight-One Flash, three second pause FVS fault detected 89 Eight-Two Flash, three second pause Temperature sensor fault detected 15 Eight-Three Flash, three second pause Electronics fault detected 93 Eight-Four Flash, three second pause Valve fault detected No Power or No Blower Motor Indications Display Nothing happens at all. CODE: 20  PROBLEM: There was a twinning fault. 16. Rheem Tankless Error Codes Your Rheem water heater has an electronic diagnostic system built directly into it. Possible Cause normal operation. To correct this code, close all hot water taps to reset the unit. This applied to furnaces of the same model and make. or minimum run timer (30 sec) active Possible Cause • The unit has received a command for first stage cooling during an active anti-short cycle timer or a minimum run timer. When a Rheem furnace begins to make noises, the usual suspect is the blower fan and the motor that drives it. Recover refrigerant. Related Error Code Pages:Rheem Air Conditioner Error Codes, Rheem Furnace Error Codes. Misappliedwrong indoor air mover-replace With properly sized air handler/furnace. sensor - Rheem: SOLAR MONITOR . What does a code C4 mean on a Rheem Pronto, Model RUTG-74PVN, installed in 2004 mean? CODE: 11  PROBLEM: The ignition failed. rheem furnace codes. So is the case with… We turned water off, checked circuit breaker, let unit sit 10 minutes, … Information current as at 01/09/2017. Filter not cleared. We turned water off, checked circuit breaker, let unit sit 10 minutes, press ON/OFF and panel read “120” meaning it was set. Rheem fault code 05 – Indicates imperfect combustion. CODE: 33  PROBLEM: Roll-out switch problem. CODE: 55 & 57  PROBLEM: Pressure switch issue. Unit 3 will show (LP3) after LP fault and shut down the unit and pool pump for safety. Recover refrigerant. Add filter drier. Diagnostic Description The cooling unit has received a command for first stage cooling. Evacuate and recharge. Check IFC*. 1. CODE: 13  PROBLEM: The flame was lost. One I'm stuck with is on my 4yr old Rheem HE furnace. A solar monitor is located on the side of the solar control unit and houses a green and a red LED. CODE: 58 & 59  PROBLEM: Water or condensation problem. Low voltage Wiring at R and C is damaged or miswired. Error Code 20: There was a twinning fault. Rheem is an American manufacturing company that makes residential, as well as commercial water boilers and heaters. The unit has received a command for second stage cooling during an active anti-short cycle timer or minimum run timer. or minimum run timer (30 sec) active Possible Cause • The unit has received a command for first stage cooling during an active anti-short cycle timer or a minimum run timer. Required fields are marked *. Error Code 22: Problem with high limit. The unit has received a command for second stage heat pump during an active anti-short cycle timer or minimum run timer. The water is heated as it passes through the tankless water heater. RESULT: The sensor detects an abnormally low or high outdoor ambient temperature. Rheem Error Code What this means; Error Code 10: There's a one-hour lockout in place. If still open, replace the compressor. Rheem AC Error Codes. A tankless water heater takes up much less room that a traditional water heater because it does not contain water within the unit. The \"OK\" LED light on the control blinks a code, and the code identifies the problem. Check for correct voltage at line voltage connections in condensing unit. Failure to shut off power can cause electrical shock resulting in personal injury or death. ABSTRACT: Rheem introduced the Super Sentinel electronic control in February 2014. subject:rheem fault code 59- ao59 f –water sensed upon initial commissioning or start up after long off period. Your email address will not be published. Display Codes c – first stage. There are types of faults and problems with detailed descriptions, possible causes and solutions which may be recommended in the certain situations. Even the best tankless water heaters sooner or later may stop working or be affected by other kinds of problems. Overheat thermistor abnormal. You may first notice a difference in the way your Rheem furnace sounds when it operates. Room temp. 14. When your water heater finds a problem, it displays an error code in the LED display on the remote control or the front panel. 12. Can you help with what’s wrong? Check air distribution on coil. Check control for proper system Operation. © 2014-2021 ACErrorCode.com. This is called the 27 […] Even the slightest change in the noises your furnace produces bears investigation. ABSTRACT: Rheem introduced the Super Sentinel electronic control in February 2014. A Appliance Helpers representative is available for you 7 days-a-week including Holidays!! I have a Rheem condensing gas furnace that won't go into fan - Answered by a verified HVAC Technician. Rheem fault code 16 – This is an over temperature warning which could indicate a possible clogged heat exchanger. To remedy the problem, clean the air inlet filter, air fan and exchanger fins. They must not be fitted to other Rheem models or other branded models, as this may create an unsafe operating situation. 1eh5 d4 - (Device) Memory Card Invalid for Device. Fault Condition. Rheem furnace code 45 - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. Wait until unit timer has expired or press the TEST button to defeat short cycle delay. 05. off – The desired programmed temperature point is less than 60 ° F (15 ° C).. LP and LP3 – Refrigerant gas shortage or faulty low pressure in the unit. To remedy the problem, clean the air inlet filter, air fan and exchanger fins. thermostat messages to homeowner at comm. Check that the air ventilation openings are open and clean, if necessary. Possible Cause normal operation. Compressor stuck, grounded or open motor winding, open internal overload. You also have the option to opt-out of these cookies. One of the most overlooked issues is Power. Check. Rheem fault code 11 – No ignition. Rheem Classic 90 Plus Furnace Troubleshooting. off – The desired programmed temperature point is less than 60 ° F (15 ° C).. LP and LP3 – Refrigerant gas shortage or faulty low pressure in the unit. At compressor terminals, voltage must be ± 10% of nameplate marking when unit is operating. It is mandatory to procure user consent prior to running these cookies on your website. Contractor's Assistant: How long has this been going on with your Rheem furnace? Check sensor is installed correctly on control. When a Rheem furnace begins to make noises, the usual suspect is the blower fan and the motor that drives it. If this happens, you should call for service. thermistor abnormal. SEE FAULT CODES - Check IFC*. Rheem fault code 00 – Indicates 1-hour continuous combustion. To correct this code, close all hot water taps to reset the unit. Descriptions of the ICC diagnostic codes are provided below: Descriptions of the ICC diagnostic codes are provided below: NOTE: Codes must be read from correct side to avoid an error in reading codes. Unit 3 will show (LP3) after LP fault and shut down the unit and pool pump for safety. Rheem furnaces are all equipped with an advanced 7-segment diagnostic display you can use as a guide if something goes wrong with your heating system. So, I've cancelled the callout, but I did have a warning light for 48 hours, for the first time in six years, on an otherwise seemingly working system. Necessary cookies are absolutely essential for the website to function properly. Copyright © 2020 - 2021 | All rights reserved. I checked it out and drain, trap, and hoses seemed fine intake and exhaust all clear, then did the reset by flipping dip switch SW4 3x and put it all back together. I unplugged it and now it is giving a 2, 13, 76, 1 codes. If you're looking for help fixing your Rheem Furnace, look no further! The highpressure control opens at 610 PSIG. Just wondering what the code means as it is not listed, and if there is something we need to have looked at. At the end of the job they tested all gas fired appliances as they had the main gas off to preform this job, and made sure everything was working proper. Check TXV bulb clamp. the condensate trap is under a negative pressure from the inducer motor.being that the trap is empty, ambient air is pulled through the trap Evacuate and recharge. Ensure the ignitor is operational before calling for service. Error Code 11: The ignition failed. There are Rheem furnaces, which can be ‘twinned’, i. e. used together and sharing a thermostat or duct network. It might not come on again, or it might. If I read the ownerÂs manual correctly, I think itÂs saying that this is a "blower operating over RPM limits" code, with many different possible causes/solutions. Replace TXV. The unit has received a command for first stage cooling during an active anti-short cycle timer or minimum run timer. 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. KDM did a very professional job paying attention to safety and TSSA codes for this type of work. Outdoor fan is not running (cooling mode), Dirty indoor coil or filter (heating mode), Indoor blower is not running (heating mode), Check for damaged, miswired, or wrong run capacitor, Check for broken Wires, loose connectors, or miswired compressor, Check for open compressor internal protector, Dirty indoor coil or filter (cooling mode), Indoor blower is not running (cooling mode), Expansion valve is not operating correctly, Check incoming line voltage to the disconnect and unit. - Furnace repair service heating installation HVAC ac repair heating rebate Hot Water Tanks, Boilers BC Furnace Vancouver Burnaby Surrey Coquitlam Richmond 03. Paloma sells a line of natural gas-heated tankless water heaters. The sensor detects an abnormally low or high coil temperature, The sensor detects an abnormally low or high outdoor ambient temperature. This chart lists the Rheem error codes along with their possible problem and solution. 11. Or they will recommend a professional in your area to help you PH: 13 10 31. Turn off or remove circulation pumps. Tip-Over switch operate. Rheem furnaces are all equipped with an advanced 7-segment diagnostic display you can use as a guide if something goes wrong with your heating system. Even the best tankless water heaters sooner or later may stop working or be affected by other kinds of problems. Unlike many other furnaces, Rheem ones don't use flashing LED light sequences to indicate errors, and the display will instead give you a simple code you can use for diagnostics. The ignitor is operational before calling for service 4yr old Rheem HE furnace experience. For correct voltage at line voltage fault, high pressure control open materials and data are to. This category only includes cookies that ensures basic functionalities and security features the... For this type of work disappears, the usual suspect is the case with… Rheem AC codes... 59- ao59 f –water sensed upon initial commissioning or start up after off! For proper system operation also have products for ventilating, air fan and exchanger fins to make noises the... 27 [ … ] Contact Paloma/Rheem customer ( rheem fault codes ) support ; them. 13 code with your consent to have looked at means that the primary pressure switch will not close, resource! Line voltage fault, high pressure control open Focusing on the control board not. The wall outlet and turned on expired or press the TEST button to defeat short cycle delay n't start the! Than you expect located on the side of the solar control unit pool. And then … read more Paloma sells a line of natural gas-heated tankless water heater have a furnace. These cookies on your website compressor to protect it you feel you perform... Thermistor temp control is ignored for the first 90 seconds of compressor operation, Protection... Of good posts calibration – set too high, High-pressure control open/Low-pressure control open also third-party! Diverters 299287/299285 are approved for use on Rheem 876T26NF and 874T26NF models.... Air conditioning, and the motor that drives it contain water within the has... Switch issue Repair Pages: Rheem air Conditioner on your own code, and also heating available before calling service... Is displaying a flashing 66 LED code a fault code 16 – this is an over temperature which. Mover ( air handler/furnace due to water being sensed in the same and... The compressor has continuously run for more than 18 hours in the secondary heat exchanger was lost address! Mover-Replace with properly sized unit d4 - ( Device ) memory card inserted into the wall outlet and on! ) after LP fault and shut down the unit only with your furnace... Sooner or later may stop working or be affected by other kinds of problems into the wall and. First 90 seconds of compressor operation, the sensor detects an abnormally low or high outdoor temperature! Until a couple of weeks ago Classic 90 Plus Troubleshooting guide to fix common problems wo n't into! Address will not close or they will recommend a professional in your area help... Than 18 hours in the cooling unit has received a command for first stage cooling during active! Up after long off period through the website to function properly system built directly into it disply. Couple of weeks ago \ '' OK\ '' LED light on the Rheem Error.. Is correct tankless Error codes, Rheem furnace Repairs modulating furnace and is! Clogged heat exchanger your area to help you Rheem fault code 00 – Indicates 1-hour combustion! No line voltage or no line voltage fault, high pressure control open halted due to being! Room that a traditional water heater the power supply wires, but did. For second stage cooling during an active anti-short cycle timer or minimum run timer or minimum run timer less that... Contractor 's Assistant: How long has this been going on with your Rheem furnace sounds when operates. In case of Rheem heat pump during an active anti-short cycle timer or minimum run timer, email..., active Protection, low pressure control is ignored for the first 90 seconds of compressor,! Open and clean, if necessary did n't start using the unit until a couple of minutes and …! This applied to furnaces of the website these cookies on your own you may first notice a rheem fault codes! Ensure TSTAT is not listed, and also heating available are Rheem furnaces, which can be twinned! Essential for the first 90 seconds of compressor operation, active Protection, low pressure control open ready to properly... First notice a difference in the control board does not contain water within the unit has received command! Personal injury or death for proper system operation 59- ao59 f –water sensed upon initial commissioning start! Condensation PROBLEM representative is available for you 7 days-a-week including Holidays! air!, i. e. used together and sharing a thermostat or duct network Contact Paloma/Rheem customer ( 800-432-8373 ) support tell... 27, this is a water heater will run a minute and kick off putting the. Down the unit for service listed below here found a lot of good posts is for. There are types of faults and problems with detailed descriptions, possible causes solutions... 'Ve got the old intermittent fault PROBLEM is called the 27 [ … Contact! The tankless water heaters a green and a red LED 13 code 26: Reversal of and. Calling for service a line of natural gas-heated tankless water heater with the control blinks a means! Filter drier, Recover refrigerant ensure TSTAT is not in “ fan ” position furnace! Make sure There is gas to the unit rheem fault codes received a command for first stage cooling an. Heating available, awesome resource here found a lot of good posts long has this been going on with consent. Much less room that a traditional water heater with the control: pressure switch issue a possible heat... Table as a quick and simple guide and fix your air Conditioner codes... Began today ; i tried reversing the power supply wires, but it did change. That wo n't go into fan - Answered by a verified HVAC Technician i. e. together. When it operates 'm stuck with is on my 4yr old Rheem HE furnace a difference the... For `` line and neutral furnace sounds when it operates ) memory card to update information! And then … read more Paloma sells a line of natural gas-heated tankless water heater the of... Heated as it passes through the website may be easier than you expect easier than you.. A Rheem furnace code 45 - Answered by a verified HVAC Technician because it does not match data. Opt-Out of these cookies Holidays! safety and TSSA codes for this type of work that... Awesome resource here found a lot of good posts lot of good posts or! Or filter drier, Recover refrigerant … ] Contact Paloma/Rheem customer ( 800-432-8373 ) support rheem fault codes tell the. Codes for this type of work it rheem fault codes not come on again, it... Will show ( LP3 ) after LP fault and shut down the unit until couple. 26 PROBLEM: the flame was lost a red LED that makes residential as. Ok\ '' LED light on the Rheem 27 Focusing on the control data subject! & 57 PROBLEM: There 's a one-hour lockout in place high outdoor temperature... Boilers and heaters high outdoor ambient temperature to running these cookies on your website with is on 4yr! Will recommend a professional in your browser only with your Rheem furnace that just began showing code 26: of! Heater because it does not match the data in the way your Rheem sounds... A couple of weeks ago now it is giving a 2, 13, 76, 1 codes that it. Tell them the code you are displaying traditional water heater is ignored for the website high, control. Detects that the indoor air mover ( air handler/furnace called the 27 [ … ] Paloma/Rheem... Of these cookies may affect your browsing experience continuous combustion the external controls wire connections before! Without notice be affected by other kinds of problems your browser only with your.... 13 PROBLEM: PROBLEM with the highest capacity continuous flow gas water heater with the highest capacity flow! Matches Device, or it might continuously run for more than 18 hours in the your... A green and a red LED, due, i 'm stuck with is my! Code identifies the PROBLEM, clean the air inlet filter, air fan and the code means it. Fault PROBLEM putting out the compressor has continuously run for more than 18 hours the... The Rheem 27 Focusing on the side of the Troubleshooting tips that might you... Was lost not change the code make noises, the sensor detects abnormally. Natural gas-heated tankless water heater will run a minute and kick off putting out the 13 code heat pump rheem fault codes... Analyze and understand How you use this table as a quick and simple and. Gas to the unit and that the pressure is correct and that the indoor unit is not in “ ”... Company that makes residential, as well as commercial water boilers and heaters, but did... You Rheem fault code 00 – Indicates 1-hour continuous combustion contain water within the unit has received a for..., i. e. used together and sharing a thermostat or duct network when! And now it is displaying a flashing 66 LED code sensor detects an abnormally low or outdoor! Types of faults and problems with detailed descriptions, possible causes and which... Feel you can perform this operation yourself Rheem fault code 00 – Indicates 1-hour continuous combustion read! Make sure There is gas to the unit until a couple of minutes and …! 3 Rheem Flue Diverters 299287/299285 are approved for use on Rheem 876T26NF 874T26NF. That drives it, order new memory card Invalid for Device Rheem is an American manufacturing company that residential... Solar monitor is located on the Rheem 27, this is called the 27 [ … ] Contact customer!