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Error Code

Kenmore Dishwasher Cup Open Error Code

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.

Lena Hart Written by Lena Hart Appliance Repair Content Specialist Published October 20, 2026

Content status Verified

Error code Cup Open
Appliance Dishwasher
Quick answer

Cup Open on a Kenmore 363 electronic control dishwasher means the detergent dispenser cover was left open.

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.

Cup Open on a Kenmore 363 electronic control dishwasher means the detergent dispenser cover has not been closed.

The fix

Add detergent and close the dispenser cover.

If the cover will not close or open

A cover that is jammed shut is a different message: C8 reports a blocked detergent dispenser cover.

Kenmore dishwasher service in Los Angeles

If the message stays after the cover is closed, call (310) 554-8899 and ask about dishwasher repair in Los Angeles. Have the model number and the message ready.

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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Recommended repair service

AE C1 C2 C3 C4 C5
Service areas

Available in these areas

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(310) 554-8899
Phone (310) 554-8899
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Service area Kenmore appliance repair across Los Angeles County and Orange County.
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