Open the dishwasher door and look into the tub.
Bosch dishwasher heater test.
It may or may not be covered.
Locate your dishwasher s heating element.
Using a meter with a current coil measure current going into dishwasher.
It is the thin circular tube at the base of your dishwasher.
Dial the temperature control to 120 degrees fahrenheit and replace the cover plate.
This is the optimal temperature for heating water to disslove detergent in the bosch dishwasher.
The test cycle runs the dishwasher on its normal cycle and then reports back an error code to help you identify the problem.
This video demonstrates how to test a heating element on a dishwasher.
If it is covered remove the lower dishrack and then remove the cover.
Your heating element is going to have two metal terminals.
It will only give you a general idea of where the problem is but its a useful first step in diagnosing the issue.
If current stays at 1 5 2 a then heater high limit or flow switch are faulty.
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.
The heating element is a commonly replaced part for a di.
If current is 11 a then heater high limit and flow switch are ok.
Any cooler and the water cannot get dishes clean.
To check for heater high limit or flow switch problems start testing until heating starts.
Any hotter and you run the risk of scalding when running water in the sink or shower.
Dishwasher not drying dishes.