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Error Code

Kenmore Dishwasher Code Cup Open, Dispenser Cover Not Closed

Plain-language guidance for Kenmore code Cup Open on Dishwasher — symptoms, safe checks, and when to call a technician.

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At a glance

Error code overview

A plain-language snapshot of Cup Open for Kenmore Dishwasher — confirm the model series before you act.

Daniel Reeves Written by Daniel Reeves Appliance Repair Content Specialist Published October 20, 2026

Content status Verified

Error code Cup Open
Appliance Dishwasher
Quick answer

The Cup Open message on Kenmore 363 electronic control dishwashers means the dispenser cover was not closed.

Model compatibility

Kenmore reuses codes across series and model years, so Cup Open may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Plain language

What this code means

The detergent dispenser cover has not been closed.

What Cup Open means

The display on a Kenmore 363 electronic control dishwasher shows Cup Open when the cover of the detergent dispenser is not closed.

What to do

  • Put detergent in the dispenser.
  • Close the dispenser cover.

A related code

Do not mix it up with C8, where an obstruction blocks the cover.

Dishwasher repair in the Miami, New York, Houston, Los Angeles and San Diego areas

Should Cup Open persist with the cover shut, dishwasher repair is available in the Miami, New York, Houston, Los Angeles and San Diego metro areas via (844) 747-3641. Give them your model number and describe the message.

Source: Kenmore 363 electronic control model dishwasher error codes

Caution

Safety warning

Important safety warning

Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.

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(844) 747-3641
Phone (844) 747-3641
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Response time Same-day and next-day appointments in most areas.