Flame Rod: Poor or Improper Combustion An Error Code 13 will only display on Indoor Rheem Tankless systems. Check that the air intake and exhaust venting is correctly installed and in good working order. It’s critical that the exhaust is NOT recirculating into the unit’s fresh air intake.
What does 13 mean on a tankless water heater?
a) Thermostat set too high. Tankless arrive with preset temperature. Customer can reset temperature using remote control. Customer can raise temperature above 120? F using Dip switches to set temperature up to 140? F. Service technician should be called to do this.
What does code 12 mean on a Rheem tankless water heater?
flame failure
Error Code 12 relates to flame failure which is when the heater can’t maintain a flame. You should check that the system is receiving gas that’s the right pressure and type. Also, check for carbon buildup in the flame rod and bleed excess air from the gas lines.
Where are fault codes displayed Rheem?
The error code is displayed on the LED display panel on the front of your continuous flow water heater.
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.
How do I reset my Rheem water heater?
Turn the water heater’s gas valve switch to the “OFF” position, wait for a few seconds and then flip the switch to the “ON” position to reset the system.
Why is my tankless Rheem 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.
How do you clean a Rheem furnace flame sensor?
- Step 1: Power Down the Furnace. Switch off the furnace switch.
- Step 2: Locate the Flame Sensor. Remove the access panel.
- Step 3: Remove the Flame Sensor. Disconnect the wire by pulling it off the terminal.
- Step 4: Clean the Probe.
- Step 5: Replace the Flame Sensor.
- Step 6: Test the Sensor.
To prevent accidental resets, tankless water heaters are designed to prevent accidental resets, so you are probably going to have to hold the button down to get the reset to trigger.
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 heating water?
Because tankless units only heat water as it’s needed, running too many hot water appliances at the same time could mean the unit just can’t keep up.On the other hand, your no hot water problem could be cause by a bigger issue such as: Plugged heat exchanger (due to hard water) A blocked vent/air intake.
How do you reset the code on a Rheem tankless water heater?
If you see an error code 24, check the following:
- Shut off the water and disconnect the remote control. Then reattempt.
- Double check that the tankless is properly grounded.
- Reset by pressing the MIN and MAX button on the control board (PCB).
- Call a professional to replace the PCB.
How do I reset my Rheem error code?
Your Rheem water heater has an electronic diagnostic system built directly into it. When your water heater finds a problem, it displays an error code in the LED display on the remote control or the front panel.
- Press max button on PCB to reset.
- Press min button on PCB to reset.
- Replace PCB.
What is a code 11 on a tankless water heater?
An error code 11 on a Rinnai tankless water heater can appear due to an issue with the ignitor, gas supply, flame rod, venting, excess moisture, and more.Finding the exact cause is important to apply the right solution and get your water heater running again.
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.
Why is my tankless hot water heater beeping?
Your tankless water heater will beep and display an error code to alert you to a problem with the system. Tankless water heaters will alert you with an audible alarm when service is required, a component fails, or a gas or water leak is present.
In the center of the limit switch, just above the water heater thermostat, is a normally red reset button for the water heater.
How do you reset a Rheem water heater?
Rotate the gas knob on your Rheem water heater clockwise until it is in position. Rotate the water-heater temperature dial counter-clockwise until it is set to the lowest temperature setting. Wait five minutes to let through any gas in the water.
What does E4 mean on a 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.
How do I fix error code 29 on Rheem?
If your Rheem displays an error code 29, ensure the heat exchanger is clean of any build-ups. Clean the inlet filter if necessary. You may need to replace the heat exchanger thermistor or PCB. If the water temperature is displayed in the maintenance information, the unit should be working properly.
How do I know if my furnace flame sensor is bad?
How do I know if my furnace flame sensor is bad?
- Switch off the power to your furnace.
- Close the gas valve.
- Take out the mounting screw.
- Carefully pull out the sensor.
- Inspect the sensor: if the insulation is intact but appears sooty, burnt or slightly corroded, it might only require cleaning.
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