Answer: Rheem RETEX-27 E5 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 .
How do you fix an E5 error on a tankless water heater?
The E5 error code refers to the Pressure Switch which can be caused by a motor problem or the voltage of the power supply is too low. If you’re sure that the power source is within the required amount and the same issue persists, try to reset your heater by: Completely draining the unit out of water. Shut off gas valve.
Why is my EcoSmart water heater not working?
If you are getting hot water even though the digital display does not turn on then the problem is with the electronic board. If you are not getting hot water this could be an error in the plumbing or electrical connections. Call our customer support line with your installer at 877-474-6473 to troubleshoot the unit.
What does E4 mean on EcoSmart tankless water heater?
An E4 error code on your 45 model tankless water heater, indicates that there is an issue involving the flow meter sensor (also referred to as cold water temperature sensor.) This means that the flow meter is not sending a signal to the computer which starts the machine.
Why does my Rheem tankless water heater keep shutting off?
the temperature on water heater is set too high. a dirty cold water inlet filter. flow-sensor damage or problem. improperly installed or too-short venting pipes.
How do I fix noritz Error Code 45?
To fix error code 45, you may need to have a licensed contractor assess the condition of your Noritz tankless water heater. If there are no visible signs of water or moisture, reset the unit by switching it off for at least 30 seconds. If the error code shows again after the reset, you will have to call for service.
The red button on the water heater is where the reset button is located. There are two buttons for each thermostat in some water heaters. The metal plate that holds the thermostat in place may have to be removed to access the reset button.
What does E5 mean on Rheem tankless water heater?
Answer: Rheem RETEX-27 E5 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 .
Why is my tankless water heater not getting hot?
Ensure there is no condensation or debris on the burners that may cause them to not ignite. If the flow is too low, the burner will not ignite. Low pressure is one of the most frequent tankless water heater problems and is easy to fix.
How do I test my EcoSmart water heater?
In order to check if the element is working you must turn on a hot water tap. We suggest that you run the shower or sink. This way both elements will draw voltage and can be checked. Once you have water running through the unit, the LED display will light up and display the temperature setting on the unit.
What temperature should my tankless water heater be on?
100-115 degrees Fahrenheit
You’ll want to shoot for 100-115 degrees Fahrenheit for your water to be heated. If your groundwater temperature is 60 degrees and you want your shower at 110 degrees, that’s going to be a 50-degree rise.
How old is my EcoSmart water heater?
EcoSmart does not encode the date of manufacture in the serial number of their water heaters, but you can call their customer service line at 877-474-6473 with the number, or email them at [email protected], and they will provide you with the manufacture date.
How do I reset my eemax water heater?
You will see that each gray heating chamber has a circuit board attached to it, and near that circuit board is a high limit thermostat, which looks like a small black device with two orange wires going to it. Push the small red button on the device to reset this safety feature.
How do you fix a Rheem tankless water heater Code 11?
Rheem fault code 11 No ignition. Check to make sure there is gas to the unit and that the pressure is correct. Ensure the ignitor is operational before calling for service.
Why does my tankless water heater fluctuate?
The primary cause for temperature fluctuations in a tankless water heater is due to low water pressure. If the water flow in your tankless water heater is too low and dips below the flow activation rate, the main gas burner will turn itself off.
What does code 11 mean on a Noritz tankless water heater?
ignition failure
Noritz Error Code 11
This indicates ignition failure in your tankless water heater. It means that your unit is not firing up to heat the water, a situation that can be caused by insufficient gas supply, insufficient airflow or debris on the ignition plug.
What is code 16 on a Noritz tankless water heater?
A 16 error occurs when your output temperature is reaching temperatures way above your set temperature.When an error code of 16 occurs the main servo will completely shut off the hot water thus preventing the end user from scalding temperatures.
How do I fix noritz Error Code 10?
Error Code 10
Solution: Check for foreign materials found on the burner, which is burning after gas combustion stops. To reset the error code 10, the power must be disconnected. If there is a recirculation loop, use an aquastat to keep 10 degrees differential.
Why is my tankless water heater beeping?
A water heater may sound a beep to warn that there is a water leak. Leaks may be obvious if the floor is wet near the water heater, but the leak might also be somewhere along the line. The beeping may be initiated by a water heater shutoff feature, a flood prevention device. Beeping may also signal a gas leak.
What does p1 mean on Rheem tankless water heater?
water flow is too low
The water flow is too low according to an error code. Check the hot water tap flow. The aerators need to be cleaned. The water inlet filter needs to be cleaned.
What does E4 mean on Rheem tankless water heater?
water temperature sensor
An E4 error code indicates that you have an issue with your water temperature sensor. This is the sensor that allows your water heater to display the current temperature of the water inside of it. This error code will typically be permanently displayed and your water heater will not run.
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