The drain hose and recirculation hoses can be responsible for leaks. The drain hose can cause the dishwasher to fail to drain properly. The recirculation hose can be responsible for problems with poor rinsing of dishes.
To access the drain hose remove the lower panel located beneath the door. The panel is usually held in place with two screws either above or below the panel. It may be necessary to first open the door to the dishwasher to reach the screws over the panel, then close the door to remove the panel.
The drain hose connects to the pump and runs to the sink drain (or to the air gap on top of the sink). The pump has a second hose that recirculates the water back into the dishwasher. The drain hose is roughly 1 1/2 inches in diameter. While inspecting the drain hose, check the recirculation hose as well for blockages.
When checking for leaks, feel the hoses where they connect to the pump, for wetness and check the ground right under the connections. If they are wet, it may be a loose or improperly mounted clamp, a damaged pump housing or a leak in the hose itself.
When checking for blockages, disconnect the drain hose from the pump, pinch the wire clamp with pliers and slide it up the hose. Place a shallow pan beneath the pump to catch any spillage. Remove the hose from the pump; wiggling the hose may help to loosen it.
Check the hose and nipple to the pump for any debris. The only way to be certain the drain hose is completely clear is to disconnect it from the sink and run water through (such as spraying a garden hose through it at full pressure). Disconnect the recirculation hose and check it in the same way.
Reconnect the hoses and replace the clamps. Replace the lower panel and restore electricity to the dishwasher.
Now, if the hoses were not blocked, move on to the pump.
Some models have two impellers inside the pump - one, wash impeller, takes care of the wash cycles, the other, drain impeller, drains the water out. If the drain impeller is broken (broken blades, shaft), the dishwasher will not drain. Replace any broken pump components.
The final area of concern will be the Air gap.
If there is an air gap (located in the sink, near the faucet), check to see if it is clogged. Unscrew the top cap and see if there is anything blocking inside. Note: If there is no air gap installed, the dishwasher might not drain properly.
If the drain hose is clogged, the dishwasher will not drain. If there is an air gap installed, it is very common that a hose going from the air gap into the garbage disposer is clogged. Remove and clean the hose. Make sure to reattach the hose before starting the dishwasher.
Note: If you recently had a garbage disposer installed, it is common to overlook removing the drain plug.
That will conclude the necessary check points for this issue. check all areas carefully.
NOTE_ Worst case scenario will be a failed pump.
Hi
Dishwasher not draining issue usually occurs due to kinked drain pipe, clogged drain filter or drain pump. Check the drain hose for any visible clogging, remove if present. If no visible lint is present then remove then turn off the dishwasher and remove the drain hose and check for any visible clogging. If still not visible then the drain filter or drain pump is clogged and you'll need to clean the drain filter and drain pump.
Please note that dishwashers don't drain out the complete water such that heating element doesn
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