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How to Fix Bosch Dishwasher Error Code E24?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

Bosch dishwasher error code E24 occurs when the water drainage system is blocked. The most common cause of this is a clogged sink or garbage disposal. Another possible cause is a kink in the drain hose. When the dishwasher is unable to drain properly, it will display the E24 error code and will not operate.

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1. Check the connection of the dishwasher drain hose to the garbage disposal or sink

  1. Verify that the dishwasher drain hose is properly connected to the sink or garbage disposal.
  2. If the dishwasher drain hose is not properly connected, tighten the hose connector bolts.
  3. If the dishwasher drain hose is properly connected, check the dishwasher drain hose for kinks or cracks. If there are any problems with the hose, replace it.

2. If the dishwasher drain hose is not connected properly, water will siphon out of the dishwasher

  1. Verify that the dishwasher drain hose is connected properly to the dishwasher.
  2. If the dishwasher drain hose is not connected properly, gently loosen the hose clamp and reconnect the hose.
  3. Close the dishwasher door and press the start button to begin the cycle.
  4. Check for water siphoning out of the dishwasher. If water is siphoning out, tighten the hose clamp.

3. If the dishwasher is draining into a sink, make sure the sink drain is not blocked

If the dishwasher is draining into a sink, make sure the sink drain is not blocked. If the dishwasher is draining into a garbage disposal, make sure the garbage disposal is not blocked. If the dishwasher is draining into a tub or shower, make sure the shower head is not blocked.

4. If the dishwasher is draining into a garbage disposal, make sure the disposal is not jammed

Turn off the power to the dishwasher. Unplug the dishwasher. If the dishwasher has a water inlet valve, turn it off by unscrewing the valve. If the dishwasher does not have a water inlet valve, turn off the main water supply to the dishwasher. Remove the dishwasher drain hose by removing the screws that hold it in place. If the dishwasher has a garbage disposal, remove the garbage disposal by unscrewing the screws that hold it in place. Check to see if the dishwasher drain is plugged. If it is, use a plunger to clear the drain. Reattach the dishwasher drain hose by screwing it in place. Reattach the dishwasher water inlet valve by screwing it in place. Turn on the power to the dishwasher. Fill the dishwasher with water. Start the dishwasher. If the dishwasher does not start, check the outlet for power. If the dishwasher still does not start, check the dishwasher for power and replace the dishwasher water inlet valve.

5. Check the dishwasher for any leaks

  1. Remove the dishwasher's upper rack.
  2. Look for any water or dishwasher cleaner leaks.
  3. Repair or replace any leaks.
  4. Reattach the upper rack.
  5. Test the dishwasher.

6. If the dishwasher is leaking, water could be siphoning out of the dishwasher

If the dishwasher is leaking, water could be siphoning out of the dishwasher in order to fix bosch dishwasher error code e24. To fix this problem, you will need to take the following steps:

  1. Inspect the seal around the dishwasher drain opening. If it is damaged, replace it.
  2. Check the dishwasher hose for cracks or breaks. If there are any, replace the hose.
  3. Check the dishwasher water supply line for any damage. If there is damage, replace the line.
  4. Check the dishwasher spray arm for damage. If there is damage, replace the arm.

Still not working? maybe try:

  1. If the dishwasher is still leaking, the dishwasher drain hose may be damaged. Replace the dishwasher drain hose if necessary.
  2. Reset the dishwasher by pressing the "Start/Reset" button.