Open the dishwasher door and look into the tub.
Bosch dishwasher heater test.
This video demonstrates how to test a heating element on a dishwasher.
To check for heater high limit or flow switch problems start testing until heating starts.
It is the thin circular tube at the base of your dishwasher.
One at each end.
Your heating element is going to have two metal terminals.
Bosch she dishwasher test program bosch dishwashers come with a built in test cycle option known as the bosch dishwasher diagnostic mode to help identify what s going wrong.
Using a meter with a current coil measure current going into dishwasher.
Any hotter and you run the risk of scalding when running water in the sink or shower.
The test cycle runs the dishwasher on its normal cycle and then reports back an error code to help you identify the problem.
Your bosch dishwasher can run a test cycle that will quickly go through each stage of a wash program in order to find out at what point a fault is occurring.
If current stays at 1 5 2 a then heater high limit or flow switch are faulty.
Dishwasher not drying dishes.
If current is 11 a then heater high limit and flow switch are ok.
Locate your dishwasher s heating element.
Dial the temperature control to 120 degrees fahrenheit and replace the cover plate.
Any cooler and the water cannot get dishes clean.
It may or may not be covered.
Each terminal reaches downwards into the base of the dishwasher.
This is the optimal temperature for heating water to disslove detergent in the bosch dishwasher.