Whirlpool Water Heater Lower Sensor Failure

The new board has a blinking light that indicates the need to replace a sensor.

Whirlpool water heater lower sensor failure.

I just replaced the electronic control board located on the top of the tank. Control buttons information prior to beginning any disassembly of the water heater or boiler that might expose refractory ceramic fiber materials p3 tp3 probe failure temperature sensor is not connected or is reading correctly. Five flashes every three seconds indicates an internal sensor failure. Switch the two house circuit breakers dedicated for the water heater to off.

Turn the gas control knob off turn the gas supply valve off and click on need more help below. Sensor failure sometimes the sensors that read the temperature of the water can fail which is difficult to detect without using a multimeter to measure the temperature sensor for a shorted circuit. Centauri plus condensing water boiler riverside hydronics upper led readout 10 3. I would like to order the part and get assistance with replacement procedures.

Lower led readout 10 4. Get shopping advice from experts friends and the community. If the wiring and connections are okay replace the lower thermistor sensor located above the lower heating element. If the sensor does have a short it requires replacement.