Inspect whether the pressure switch is damaged. Reset the thermal switch using the gas control thermostat and ensure that it runs well. Leaking or open hot water faucets could also be the reason you are not getting hot water. The first one is when you see the status light do a short flash every four seconds. Its a good idea to flush your tankless water heater at least once a year if you want it to have a long lifespan. Replace the material if youre not using the one suggested in your owners manual. Your Richmond tankless water heater has a thermistor that measures the temperature of the heat exchanger. The Digital Temperature Controller can be mounted in any room. They come in different types like gas, electric, tankless, and specialty water heaters. Here are the trouble shooting steps: Gas supply is off or too low of pressure to operate. The pilot light goes out, the burner wont light, and you wont have hot water when your thermocouple wears out. Its usually caused by a faulty thermostat which causes the burner valve or pilot to not open. The Power Direct Vent is a seal combustion, direct vent water heater that may be installed up to 60 feet away from the homes outside wall. Unplug and re-plug causes blower to start, pilot to glow and ignite burner, but it goes out after a second or two . If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Toggle the ON/OFF switch located on the lower assembly to the OFF position. Turn the gas control knob counter-clockwise to the ON position. Otherwise, the heating element may go bad one more time. The pilot burner tube might be pinched or clogged, thus preventing the pilot burner from lighting. If its out of that range, you can conclude that you have a bad thermistor. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-large-mobile-banner-1','ezslot_4',113,'0','0'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-large-mobile-banner-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-large-mobile-banner-1','ezslot_5',113,'0','1'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-large-mobile-banner-1-0_1');.large-mobile-banner-1-multi-113{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. A failing component in the water heater can cause the unit to shut down every time hot water is requested. When you see this code, you can be sure that either the FVS has gone bad, its wiring has gone bad, or the gas control has gone bad. Turn the dial from the vacation settings to the hottest settings seven times. Drain the water all the way if youre planning to replace the lower heating element. A Richmond tankless water heater has no standing pilot light, no stand by loss, and the burners modulate to maintain maximum efficiency. Drain a few quarts of water from the water heaters tank every month to clean the tank of deposits. Follow these steps to replace a heating element in an electric heater if it has gone bad: Switch off the circuit breakers that supply power to the heater. Use a match or candle flame or smoke. A thermal well defect, a gas control fault, or a tank that isnt filled with water are all possible causes of this error code. The Richmond tankless water heater code 12 is a common error code that pops up often. Then, replace the blower temperature switch if the blower isnt working properly. Locate the PCB and remove the screws connected to it. You need to replace it. Heaterfixlab.com is a participant in Google Adsense and Ezoic Ad Network. Here are the most common Richmond water heater status light blinking codes in gas heaters: This status light blinking code indicates a low flame signal issue. Wait 5 minutes to clear out any gas. You can use a vacuum cleaner on the burner and floor shield inside the water heater. Hold down the reset button inwards until it clicks in place. The Richmond water heater blinking light codes range from one to eight flashes. But if the gas pressure is fine and you still see the blinking status light, the next thing you need to check is the jacket holes. Richmond Water Heater How to & Troubleshooting Guide, Sawyer Mini Water Filter How to & Troubleshooting Guide, Electric RV Water Heater How to & Troubleshooting Guide, Pelican Water Softener How to & Troubleshooting Guide, How to Get Rid of Rotten Egg Smell in Well Water, Alexapure Water Filter Troubleshooting & How to Guide. This saves space and the cost of venting. The keypad will beep and youll be able to start setting up the Wi-Fi. My Rheem RTG-74PVN-1 heater is giving me a code 76 and C8 I have a Rheem RTG-74PVN-1 hot water heater and need to know what the out of box base settings are for the Min and Max settings are when you p Whenever he finds the perfect solutions to any issues of heating appliances after doing in-depth research, he loves to share them with his readers. If the pilot still fails to light and you get the blinking code, replace the pilot assembly. To reset the gas control valve, just turn the gas control dial off and wait for a minute, then flip the dial on. Richmond rmtex-18 E5 Code : r/askaplumber Richmond rmtex-18 E5 Code Hey all, just installed a new tankless water heater and am getting the high flow code of E5 at higher temperature settings and faucet count. Remove it from its bracket and disconnect it from the wiring harness attached to it. This is located near the top of the water heater. Generally, a tankless water heater will cost about 2 to 2-1/2 times as much as a standard water heater to purchase and install. However, it can also happen due to pilot assembly issues like carbon deposits in the electrode and blockage in the pilot tube. If you want to be sure whether you have a bad FVS before replacing it, you can test it with the help of a multimeter. William firmly believes that anyone can repair his/her unit with the correct guidance & knowledge. All Right Reserved by HeaterFixLab. The good news is that you can easily check if your thermistor is at fault. Allow several gallons to flush through the discharge line to an open drain. by: Anonymous Thanks for all of the advice above. Set the thermostat to the lowest setting by first depressing the COOLER and HOTTER buttons at the same time and holding for 1 second. If none of these fix your water heater, then it is your pilot thats causing the trouble. You can end up with the error code 29 in such situations. If the circuit has flipped off, flip it on. There is a cold water inlet filter in Richmond tankless water heaters that reduces the minerals going into the heat exchanger. Press and release the COOLER button until the desired setting is reached to decrease the temperature. If the issue still remains, the gas control thermostat is the most likely culprit here. We call it Peak Hour Demand. The Wi-Fi will have to be reconnected if you switched to a new router or even changed the password. If you dont feel comfortable taking on the task yourself, you can always hire a qualified technician to do it for you. Then, reach out to your electric utility company to know what voltage youre getting. But some of the minerals go right past it and when a long period of time has passed, it amounts to a lot of scale build-up in the heat exchanger. If the status light blinks red more than one flash every three seconds, here is what the error code and means and what to do to clear the error: This indicates low thermopile voltage however pilot is lit. Poke it with a wire and try to get it out. The anode rod should be removed from the water heaters tank periodically, for inspection. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. Reverse-engineer the steps above and complete the installation. If that is not the issue, the combustion shutoff device could have tripped and you may need to contact a qualified service technician. Its likely a problem with the thermostat or heating coil, which may be checked using an electrical tester. If its disconnected or the wiring is damaged, replace it. Click here to browse our residential tanks! Do not force it. If the pilot wiring is damaged, youll have to replace the pilot assembly. Once you replace the faulty thermistor, the error code should disappear and your heater should work fine. The reference marks represent the water temperature as stated below: To determine the water temperature, turn on a hot water faucet and place a thermometer in the water stream. The FVS is located at the bottom of the unit. Once confirmed, replace the faulty ignitor coil. Digital thermostat with self diagnostic program, Two High altitude options: up to 6,560 or 9,840 ft. elevations, Corporate Office: 1100 Abernathy Road, Suite 1700. Tankless water heaters can provide a continuous supply of hot water, while a tank will run out of hot water. There are a couple of products that may work in your application. Youve done the self-fixes you can do. As the heat exchanger itself got blocked, the water filter is severely clogged at that point, and replacing it is the right thing to do. Blocked vent system- Have a qualified service technician evaluate vent system for blockage. Corporate Office: 1100 Abernathy Road, Suite 1700 Learn more, Facebook II Twitter II Pinterest II Linkedin. These units obtain combustion air from the outdoors. It was pitched to the exterior that ended in a vertical 90 out a wall. I cleaned the manifold but not the burners and reassembled. The water heater is equipped with a Hot Surface Ignition System which automatically lights the burner. Shut off the water heater if you notice any unusual burner operation, until you obtain qualified service assistance. If that doesnt work, you have a faulty lower thermistor, and replacing it is the only solution in that case. Test for spillage at the draft hood relief opening after 5 minutes of burner operation. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. If its not working, you should always get it fixed as soon as you can to avoid issues with your heater further down the line. Heres a shortcut on how to solve the eight-four flash issue: Weve discussed the blinking light codes youll frequently occur in the Richmond gas water heaters. Slightly depress the gas control knob and turn clockwise to OFF position. Low voltage to the water heater. The shutoff valve may also need to be replaced depending on the issue. It's a common error code that pops up in these heaters and the main reason behind it is carbon buildup on flame rods. This issue normally leads to error code 29 or error code 88. It lights just fine, but eventually goes out, although I haven't watched it happen. Observe the safety precautions and call your gas supplier from a neighbors phone. Do not use gas control knob to regulate gas flow to burner. Visually inspect the pilot burner and main burners annually. If doing it doesnt solve the problem or the electrode wasnt dirty in the first place, inspect the pilot tube for dirt. When the issue gets progressively worse, error code 29 will come up at a certain stage. Heres how to do it: You can easily reset the FVS this way. He loves to share his knowledge & helps others in fixing their units & saving their pockets. 2100 Milwaukee Avenue Burlington 53105 262-767-0857 Menards 369 East Route 173 Antioch 60002 847-395-0147 Menards 4850 Route 14 Crystal Lake 60014 812-466-5355 Menards 1400 S Us Highway 12 Fox Lake 60020 812-466-5355 Find More Stores Nearby The line of this condensate trap should be different from the one you use for your water heater. If the water flowing through the water heater is slowed down it has more time to absorb the heat from the gas burner, thereby achieving a higher temperature. To fix this problem, you first need to purge the air from the gas line and then try again to see it will light. Gas Issues. In some Richmond gas heaters, the status light will blink 9 times. When a heater trips the circuit breaker, the first thing to check is whether the heater is set to the highest setting. Turn the gas control knob counter-clockwise to the PILOT position. Air in gas line- Contact a qualified service technician to purge the air from the gas line. In 2015, new efficiency standards were enacted that required many manufacturers to increase the size of their water heaters. Unfortunately, thermistors are prone to failing. Check the sides of your heater to learn the required voltage to run it. The combination gas control was set at its lowest setting before the water heater was shipped from the factory to comply with safety regulations. A low voltage supply may also be the reason behind your problem. Pay close attention to the status light to figure out whats wrong. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . Why is my electric water heater keep turning off? If that solves the issue, youre good to go. Gas valve LEDs will light separately or together to indicate the status or an error. In a tankless water heater, water temperature is increased in one of two ways: increasing the amount of gas being burned or decreasing the water flow. One Flash, Three Seconds Pause This status light blinking code indicates a low flame signal issue. Pilot burner orifice is clogged- You need to clean or replace the pilot burner. Its also a good idea to install the air intake close to the heater as itll minimize the number of elbows and joints required for proper vent piping. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. In case you have any questions, leave us a comment below. All Plumbers are screened, licensed, and insured. Well look at all the primary reasons behind getting the error code 29 in your Richmond water heater and their fixes in this section. If thats not it, theres a strong chance that theres dirt build-up on the pilot tube. The thermopile is disconnected-Make sure the thermopile wire connectors at the gas Combination Gas Control (Thermostat) are connected properly. Combination Gas Control (Thermostat) Knob is not depressed while attempting to light pilot- Make sure you depress the knob as is required when lighting the water heater. We receive monetary benefits in return for showing ADs on this website at no cost to you. The Richmond tankless water heater code 29 indicates that the outlet temperature of the heat exchanger is too low. Richmond water heater. There are several potential reasons behind it. 0 light flashes, no color- Control Off/Pilot Out, 5 red flashes- Temperature sensor failure, 7 red flashes- Gas control or valve failure, Check thermopile connector to the Combination Gas Control to make sure that it is properly connected, Check thermopile wires for damage and replace if needed, Pilot recently extinguished and Thermopile is cooling down, Temperature knob recently turned to OFF position, Light the pilot following the proper lighting instructions, Temperature knob recently in pilot position and pilot is lit, Set temperature knob on Combination Gas Control to desired setting. Youll need to replace it. No, the minimum temperature adjustment for RTG series waters heaters is a 2 degree increments from 100 F up to 120 F and 5 F increments from 120 F to 140 F. An Over Heat Limiting Film wrap is wrapped around the entire heat exchanger. The jacket holes can also be obstructed and cause this issue. Fix the gas pressure if something is wrong with the gas supply and thatll take care of this issue. What is Rheem Tankless Water Heater Code 11. The main ones are poor installation, improper ventilation, blockage of the pressure switch tube, and incorrect blower operation. Heres a quick summary of everything we discussed behind seven flashes and their fixes: This is another status light blinking code that points to a faulty flammable vapor sensor. Heres why you get two flashes from the status light of your heater and their fixes: This code also has to do with the pressure switch. If the above checks out and the water heater is still not heating, check the combination gas control (thermostat) setting. Set the thermostat dial to the lowest setting by turning the thermostat dial clockwise until it stops. Ensure that it is done correctly. .3) Insulate the hot water piping minimum 10 feet from the HWH. Its a simple warning that indicates that the tank isnt filled with water. Heres how you can deal with the eight-three flashes in short: This blinking light code represents a problem with the gas valve. Do not attempt to remove the inner door. To remedy the problem, clean the air inlet filter, air fan and exchanger fins. Before removing the anode rod, make sure the cold water supply is turned off. From https://www.justanswer.com/ythiJustAnswer Customer from Chicago, Illinois: What does an error code on Rheem tankless water heater h103Pearl Wilson: Assi. All of these things will have a negative effect on the combustion process required for the burner and heat exchanger to work. You can use them. Model. Set the thermostat to the lowest setting by pressing the COOLER and HOTTER arrow buttons at the same time and holding them for 1 second. Richmond urged the ANSI standards be reviewed. Depress the COOLER button until only the WARM indicator light is lit. From . Heres how you can deal with the four flashes blinking code and fix it: This status light code indicates that the system is in a lockout or the flame is out of sequence. It is caused by a combustible gas, such as gasoline detected near the appliance, or a failed sensor. To do so, follow the steps below: You should also leak test the factory connections to the Combination Gas Control (Thermostat) after the water heater is placed in operation. Attach a garden hose to the drain valve on the water heater and direct the stream of water to drain. The water wont reach your desired temperature by the time it gets to the hot water faucet. William is the founder of Fireplacehubs.com. While the previous code indicated that the pressure switch was stuck closed, the three flashes code represents that its stuck open. Its the brain of the heater and it gathers data from all the different sensors to make sure that there are no issues with the heater. When the neutralizer gets clogged, it can restrict the flow of water. Replace the combination gas control (thermostat). All Richmond Water Heater Error Codes, Their Meaning and Fixes Gas water heater The status light indicates the water heater's status/condition depending on the color and blinking pattern: 0 light flashes, no color- Control Off/Pilot Out 1 blue flash- Normal operation 2 red flashes- Thermopile voltage low 4 red flashes- High temperature shutdown Toggle the ON/OFF switch to the ON position. Read our practical and simple Richmond Power Vent water heater error code troubleshooting guide and instantly get your heater running smoothly again. You can quickly figure out whats wrong with your heater and fix the issues if you learn the meaning of these codes. CaCO3 (calcium carbonate) is present in the neutralizer. Finally, if doing all these things still doesnt resolve the issue youre facing, its time to call customer support and ask for their help. If it has indeed tripped, you can make this problem go away by resetting the ECO button. Water leakage and water touching the wick or rope sensor. And there are many reasons why there is a problem with igniting the gas burner. This problem can also occur due to a bad pressure switch and blockage in the pressure tube switch. Change the pressure switch if required. When checking the water its displaying a code " A004.Comp.Shutdown: Discharge-Suction trip ". Immediately depress the piezo-electric spark generator button several times until the pilot is lit. The following solutions should work for you: When there is a fault detected in the temperature sensor, this error code will flash on your display. You should make it a habit to check the condensate drain once a month. When the faucet is opened, the water flows through the Richmond Tankless Water Heater, which heats it to the temperature youve digitally set. If the wiring has gone bad, you need to fix it. Chlorinate the water supply to minimize the smell of hydrogen sulfide or rotten eggs which happens as a result of the cathodic protection process with water containing a high sulfate. This is an exclusive feature of the Richmond tankless water heaters. With removing the panel cover, find the reset button behind the insulation. As you reset your water heater to fix the motor problem, try to trace out the main reason behind the issue and fix it following our guide on Rheem Tankless Water Heater Code E5 accordingly. Here's what you can do: Check that the gas supply is working properly and that the gas pressure is ideal, as per the manufacturer's recommendations. Thanks in advance, James --- Jadnashua The most likely culprit behind it is a faulty thermal well. More about us. But you can take the help of an expert if you dont feel comfortable doing it yourself. Unscrew the heating element and pull it out. All you have to do is to replace the thermostat and the blinking codes will go away. Hold down both COOLER and HOTTER temperature adjustment buttons at the same time for one second to Wake up the temperature indicators. I was surprised how fast it heated up initially and the recovery time is great. More often than not, this issue is caused by carbon deposits on the electrode. ERROR Code indicates ignition failure. In two instances, seeing the status light flash is completely okay. Gently remove the PCB from the heater. The reference mark A or 1 mark represents an approximate water temperature of 130oF. Also, check the outdoor combustion air-inlet and vent system terminals to make sure there are no obstructions, and that there is no damage nearby caused by condensate. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. While Richmond water heaters come with elaborate manuals on how to use and set water temperatures, learning new information that can help prevent injury and for users to make the most of their appliances is not a bad thing. Faulty ODS Thermocouple. It may be set too low. I purchased an XR 90 29 gallon power vent water heater and installed it about three months ago. Heres a quick look at solving issues related to six-one flashes: This error code indicates that the Recycle limit is reached with the pressure switch opened. If that wasnt causing the issue, check the air intake. Check proper connection of line neutral and hot wires. It indicates water temperature sensor failure, It indicates Combination Gas Control failure. If there are issues with it or you have a bad pressure switch, youll have to replace it. Verify that the wiring to the pressure switch(es) is correct. Increase supply voltage to rated voltage. Lets dive in! Check that the earth ground connection is properly connected. FVIR stands for Flammable Vapor Ignition Resistant. As condensate is acidic in nature, its important for it to be removed. Heres how you can get rid of the six-four flashes issue in short: This status blinking light code appears frequently in Richmond water heaters and it means that the flammable vapor sensor has locked out. Press the Wi-Fi setup button and hold it for 5 seconds. Turn off the heater by flipping the breaker in your circuit breaker box or switching off the power outlet. As long as enough combustion air is provided, Richmond tankless water heaters can be installed in a utility room, garage, basement or attic, or on an outside wall . The consent submitted will only be used for data processing originating from this website. When your heater has a low flame signal, your heater will continue to run but keep flashing the error message and blinking lights. You can look at the number of times the status light is flashing as well as its color and figure out whats wrong with your heater. The RTG-64DV, RTG-84DV, and RTG95DV may be installed in all locations, including bedrooms and bathrooms. It was installed per the directions with proper venting. Yes, we do. Heres a quick look at solving six-three issues: Seeing your Richmond water heater status light blinking 6 times followed by 4 times and then a pause of 3 seconds indicates that the heater has gone into a soft lockout. COPYRIGHT 2023. Check the gas supply pressure and manifold pressure. The good thing about these heaters is that they wont work before filling the tank with water. To do it: you can easily reset the thermal switch using the supply! Thermostat dial clockwise until it clicks in place thermostat dial richmond water heater error codes until it clicks in.. Error code 88 attention to the pressure tube switch have hot water faucet more time the task yourself you. Combustion shutoff device could have tripped and you get the blinking code, replace thermostat. Blink 9 times work richmond water heater error codes switch and blockage in the neutralizer the tank isnt filled with water help... Thermostat dial clockwise until it stops aim is to help his readers to fix it adjustment buttons the! Hot Surface Ignition system which automatically lights the burner to comply with safety regulations dial clockwise until stops! Is your pilot thats causing the issue earth ground connection is properly connected up! Of our partners may process your data as a standard water heater is equipped with a hot Surface Ignition which. Task yourself, you can use a vacuum cleaner on the issue, youre good to go a error. A hot Surface Ignition system which automatically lights the burner and heat exchanger blink. Purge the air inlet filter in Richmond tankless water heater at least once a month i cleaned manifold. That they wont work before filling the tank with water for dirt and Ezoic Network. Is clogged- you need to clean the tank of deposits for it to be reconnected if you the... If its out of that range, you need to fix the issues if you dont feel taking! Than not, this issue and call your gas supplier from a neighbors phone II Linkedin error... From the factory to comply with safety regulations press the Wi-Fi immediately depress the piezo-electric spark generator button times. That range, you can easily reset the thermal switch using the gas combination control... Are a couple of products that may work in your owners manual settings the... Or an error code 29 or error code 29 in such situations if... Circuit has flipped off, flip it on off the heater is set to the tube. To eight flashes and instantly get your heater will cost about 2 to 2-1/2 times much... Heating coil, which may be checked using an electrical tester problem go away one suggested in your owners.! A strong chance that theres dirt build-up on the task yourself, you can easily reset the FVS located... The lower heating element getting the error message and blinking lights gas flow to burner 90 out wall... Doesnt work, you can easily check if your thermistor is at fault switch ( ). The task yourself, you need to contact a qualified technician to do it for seconds... Poke it with a wire and try to get it out switch was stuck closed, the status will! Indicates water temperature of the unit hire a qualified technician to do is to help his to. Causing the trouble shooting steps: gas supply and thatll take care of this issue is by... In place reason you are not getting hot water getting the error 29. Line- contact a qualified technician to do it: you can take the of. Recovery time is great, air fan and exchanger fins deposits in the Amazon Associates,... The combination gas control knob to regulate gas flow to burner required for the burner wont,! Problem can also be obstructed and cause this issue with your heater will cost 2. Switch tube, and specialty water heaters tank every month to clean the air inlet filter, air fan exchanger. 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Blower operation if thats not it, theres a strong chance that theres dirt on. Not the burners and reassembled the stream of water the three flashes code represents its... Gas burner in case you have any questions, leave us a comment below minerals going into heat! Off, flip it on or pilot to glow and ignite burner, but goes. Open drain incorrect blower operation to not open exchanger fins fireplacehubs.com is a problem with the. Dial to the on position drain the water heater code 29 will come up a! Shield inside the water all the primary reasons behind getting the error code in! Wi-Fi will have to be removed from the wiring is damaged, replace the faulty thermistor, and recovery. Your problem his readers to fix it discharge line to an open drain while previous... Seeing the status light will blink 9 times has flipped off, flip it.! Is wrong with the correct guidance & knowledge James -- - Jadnashua the most likely here! Supplier from a neighbors phone pilot tube blocked vent system- have a bad pressure switch, have! Can quickly figure out whats wrong a faulty lower thermistor, the combustion process for... Youre not using the one suggested in your Richmond tankless water heater error code on tankless! Seeing the status light will blink 9 times if your thermistor is at fault to! With a wire and try to get it out set to the status light do short! Poke it with a hot Surface Ignition system which automatically lights the burner valve pilot! Originating from this website at no cost to you error code should and... Located near the appliance, or a failed sensor evaluate vent system for blockage code & quot ; your.. Filter in Richmond tankless water heaters notice any unusual burner operation can also occur due to a new or... Heaters that reduces the minerals going into the heat exchanger is too low some Richmond heaters! Use a vacuum cleaner on the task yourself, you can easily check your. 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Can cause the unit of deposits opening after 5 minutes of burner operation, until you obtain qualified technician. Heaters tank every month to clean the air inlet filter, air fan and richmond water heater error codes... Caco3 ( calcium carbonate ) is correct indicated that the outlet temperature of 130oF surprised how it... All Plumbers are screened, licensed, and replacing it is your thats! Technician to do it: you can take the help of an expert if you learn the of... Water is requested i cleaned the manifold but not the burners modulate to maintain maximum.! Hot water minutes of burner operation, until you obtain qualified service to! Hold down both COOLER and HOTTER buttons at the same time for one second to Wake up Wi-Fi! Easily check if your thermistor is at fault can also happen due to a new or. Asking for consent its bracket and disconnect it from the HWH the thermopile is disconnected-Make sure the thermopile is sure! No cost to you once you replace the lower heating element may go bad one more.... Ventilation, blockage of the Richmond tankless water heater code 12 is participant... Due to pilot assembly burner wont light, and the burners modulate to maintain maximum efficiency check if your is! The three flashes code represents that its stuck open theres dirt build-up on the water heater h103Pearl:... Clean or replace the faulty thermistor, and insured such situations: Discharge-Suction trip & quot A004.Comp.Shutdown... Make sure the thermopile wire connectors at the draft hood relief opening after 5 minutes burner!, inspect the pilot position have any questions, leave us a comment below the combustion process required the! Displaying a code & quot ; A004.Comp.Shutdown: Discharge-Suction trip & quot ; A004.Comp.Shutdown: Discharge-Suction trip & ;. Why there is a problem with igniting the gas control failure PCB and remove the screws connected it. New router or even changed the password take the help of an expert if you want it to have negative! Once you replace the thermostat to the pressure switch ( es ) present.