There is a blinking blue light on the water Heater.

A blast of cold water can wake you up in the morning, but it can also signal a problem with your water heating system.It's important to understand how to conduct basic repairs on your water heater.Learning how to solve basic problems and perform basic tasks, such as draining your heater, can save you money on a repairman and ensure you never take a cold shower.

The thermostat needs to be adjusted.The gas and electric water heaters have thermostats.If your water is too hot, try adjusting the thermostat first.

Check the power supply.If you have an electric heater, make sure it is connected to the power outlet and that the circuit breaker is not flipped.Make sure the valve is open and the heater is connected if you are using gas.

The pilot light should be brought back on.The gas heating the water is done by a pilot light.If the light has blown out, it's a good idea to use the ignition mechanism on the heater to light the pilot.

It's a good idea to drain and clean the heater.Section 2 contains instructions for draining and cleaning the heating elements of your home.Dust can affect the efficiency of the heater.

Shut off the power to the water heating unit.If you have an electric water heater, it's a good idea to flip the circuit breaker.Shut off the gas line if you have a gas heater.