Rheem Electric Tankless Water Heater Error Code E5

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.

Rheem electric tankless water heater error code e5.

Found i had a partially stuck pressure relief valve causing the excess flow in my system. I unplugged it and now it is giving a 2 13 76 1 codes. My rheem tankless water heater will run a minute and kick off putting out the 13 code. There s a good chance that a change or two have taken place.

Rheem tankless water heaters use a condensing technology to offer continuous hot water without the use of a large water tank. My unit is 2 years old. The water is heated on demand only which reduces energy consumption as well as overall energy costs. 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.

The fvi12 has an over temperature sensor to prevent the water heater from running at excessive temperatures. Company s make changes through the years and rheem has been in business a long time with a wide range of tankless water heaters. As always your best resource is your owners manual since it ll have the specific information you need for your model.