GE Dishwasher Error Code E6

The E6 code on a GE dishwasher means the water inside the tub did not reach the required wash temperature during the cycle. This is most often caused by insufficient hot water from the household water heater rather than a failed dishwasher component. Setting the water heater to at least 120 degrees Fahrenheit and avoiding heavy hot water use before running the dishwasher resolves this in most cases.

The E6 code is not a safety hazard in the sense of an electrical or water leak risk. However, washing dishes in water that is too cool can reduce cleaning effectiveness and may not properly sanitize dishes. Addressing the root cause, typically the hot water supply, ensures dishes are cleaned and sanitized correctly.

Resetting the dishwasher may clear the E6 code temporarily, but the error will return if the underlying cause has not been addressed. If the water entering the dishwasher is still not hot enough, the control will detect the same temperature shortfall and display E6 again. Correct the hot water supply issue first, then run a new cycle to confirm the error does not reappear.

Start by checking your water heater thermostat and raising it to a minimum of 120 degrees Fahrenheit if it is set lower. Before starting a cycle, run the kitchen hot water tap until the water feels hot to clear cold water from the supply line. Avoid running showers or laundry immediately before the dishwasher, or use the DELAY START feature to schedule the cycle when hot water demand is low. If the error continues after confirming good hot water supply, the heating element or temperature sensor may need inspection.

If the issue is simply a low water heater thermostat setting or hot water depletion, the fix costs nothing. If the heating element has failed, replacement parts typically range from $30 to $80 depending on the model, with professional labor adding $100 to $200. A faulty temperature sensor is generally a lower-cost part, often in the $15 to $50 range, though labor costs apply if a technician is needed.