Answer Tysir, Bosch dishwasher error code E24 is a code that appears when there is an error in the drain. A common solution to solve the issue is cleaning the clogs or straightening the drain hose. No matter which Bosch dishwasher you have, E24 indicates an issue of water drain. Basically, You will need to check the drain hose for clogs and kinks, check the drain pipe connection/or disposal for restrictions and clogs. Make sure the 00620774 drain pump runs when the drain cycle is chosen or the cancel cycle is selected. If all's OK, you would need to dismantle and check the sump assembly for clogs and debris, then the control board. Read More... Answered by AppliancePartsPros.com | Thursday, November 7, 2019