Introduction
This guide demonstrates how to safely and easily unclog your Bosch SHEM78WH5N/52 dishwasher. Excessive buildup of food, grease, or debris in the drain filter, outlet hose, or air gap can impair the dishwasher's drainage system.
One way to check for a clog is to look for a visual indicator on the dishwasher’s display. The error code E22 signals that the drain filter is clogged.
Before you begin any maintenance, make sure to remove any remaining dishes from the dishwasher.
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Twist the cap of the filter basket until you feel it loosen.
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Lift the drain screen and filter basket up to remove it and put it in a nearby sink.
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Put the drain screen and filter basket under running water.
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Use a washcloth or scrub brush to remove any food particles on the outside and inside the filter basket.
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Reach into the drain and feel around to see if you can locate any large food particles that may have slipped past the screen and filter system and remove them.
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Put the waste into the green bin or garbage.
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Remove all the content in front of the outlet hose in order to have proper access to the outlet hose.
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Place a towel under the outlet hose in case any water spills or leaks out.
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Use a 2.5 mm flathead or standard screwdriver to loosen the clamp screw.
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Check for any blockages or food particles in the outlet hose.
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Clean out any debris or food particles left in the outlet hose.
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Use the wet vacuum with the attachment that fits in the outlet hose.
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Turn on the wet vacuum to suck out any food particles or debris that may be located deeper within the outlet hose.
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Reconnect the outlet hose to the sink drain pipe and tighten the clamp with the 2.5 flathead screwdriver.
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Remove the towel underneath the outlet hose.
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To reassemble just follow steps 13 and 14.
