General Electric Dishwasher Error Code CUP OPEN

CUP OPENGeneral Electric Dishwasher

What this code means

Detergent cup has not been closed (GSD2600/2800 only)

Next steps: diagnose the root cause

1
Verify the error code is active

Power cycle the unit and see if the code returns. If it does, the fault is persistent and requires diagnosis.

2
Get the full diagnostic procedure

Get step-by-step guidance, test values, and wiring diagrams from the OEM service manual.

Start diagnosing CUP OPEN on your General Electric dishwasher

$29/month · Cancel anytime · Or $9.95 3-day pass

What’s available for General Electric dishwasher models

Access General Electric dishwasher service manuals, wiring schematics, exploded parts views, and error code references on MyPros+.

Related General Electric dishwasher error codes

BLOCKED DRAINPump out portion of cycle takes longer than 95 seconds (GSD2600/2800D)BLOCKED WASH ARMControl not receiving magnetic pulses indicating wash arm rotation (GSD2800D...C1Pump out portion of cycle takes longer than 95 seconds (GSD2200/2400D)C2Total pump out time exceeds 405 seconds (all 4 models)DSDrain system failure to operate (GSD2500)HEATINGWater temperature not at temperature called for by control (GSD2800, 2600,...LDLong drain - takes over 90 seconds to drain water from dishwasher (GSD2500)OFOverfill - too much water enters the dishwasher (GSD2500)
STOP GUESSING·Start verifying

Start diagnosing faster today.

$29/month · Cancel anytime · Or $9.95 3-day pass

Get Started