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Quick answer
The opened SMEG thread confirms the assigned symptom: the dishwasher kept draining after a wash interruption, and the original poster found rice starch in the filter trap. A later report in the same thread describes a SMEG DWA6214X2 with the same continuously running pump, a split lower spray arm and water in the tray underneath; that is a reported case, not proof for every SMEG model. SMEG says its Aquastop protection can detect water leakage under the appliance and shut off water intake. Turn the dishwasher off at its accessible isolator, close the water supply if there is active leakage, remove only obvious debris from the user-accessible filter area according to the exact manual, and inspect the lower spray arm for visible splits. Do not tip an integrated dishwasher, remove panels, bypass a float, or keep restarting it. If the pump resumes draining or water is found underneath, arrange model-matched service.
Before you begin
Safety first
- Isolate power and water for an active leak. Do not tip a built-in dishwasher, remove side or bottom panels, reach into a running pump, bypass a float or Aquastop, force a drain cycle, or perform live electrical tests.
Work through in order
Diagnostic checks
Use only checks that match the exact appliance or system and its official guide.
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Check 1
Stop the dishwasher from its accessible on/off control or isolator and close the dishwasher water-supply valve if water is actively leaking. Do not reach into a running pump or continue restarting the cycle.
Expected result: The pump stops when power is isolated, or it continues only because the appliance remains powered; water is present underneath, inside the tub or at a hose connection.
Next step: Leave the dishwasher isolated if water is present or the source is unknown. Dry accessible standing water and arrange service rather than tipping the machine or bypassing protection.
Why this matters
Why: Isolation prevents continued pumping and limits water damage. A returning or visible leak is more significant than the drain sound alone and may be engaging a leak-protection system.
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Check 2
With power isolated and the door open, remove the lower rack and inspect the user-accessible filter/trap area. Lift out only the filter parts described by the exact SMEG manual, rinse away visible food debris and reinstall them securely; do not probe the pump opening or remove panels.
Expected result: Food starch or debris is blocking the filter area, or the filter is clear but the dishwasher still returns to continuous draining.
Next step: If debris was found, keep the appliance isolated until the filter is correctly seated and the manual permits a test. If the pump still runs or water is underneath, stop and request service.
Why this matters
Why: The original post reports rice starch in its filter trap, so a visible obstruction is a plausible contributing condition. A clean filter does not rule out a leak, float response, hose problem or control fault.
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Check 3
Inspect the lower spray arm from inside the tub for a visible split, crack, loose end or jet opening that is no longer intact. Do not run a cycle with a damaged arm and do not treat the DWA6214X2 example as proof of your model's part fit.
Expected result: The arm is visibly split or damaged, or it appears intact but the pump remains in drain mode.
Next step: Photograph the damage and provide the complete model code to SMEG service. Do not order a part by appearance or continue washing with the damaged arm.
Why this matters
Why: A later commenter in the exact thread reported a split lower spray arm and water in the tray on a DWA6214X2. The observation can guide a technician, but it does not establish a universal SMEG failure or compatible replacement part.
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Check 4
Read the full product code from the appliance label without removing panels, then use SMEG's official manual portal or customer-service route to obtain the model-specific drain, cancel and leak-protection instructions.
Expected result: The complete code and region are available, or the label/manual cannot be accessed without moving or disassembling the appliance.
Next step: Give the model, symptom timing, water location, filter condition and spray-arm observations to SMEG service. Leave an inaccessible or leaking built-in appliance isolated.
Why this matters
Why: SMEG's manual portal requires the product code, and model layouts differ. An inaccessible code or built-in installation is a service boundary rather than permission to use another model's sequence.
Use your observations
Decision map
Find the observation that best matches what you see, then follow the next safe action.
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PATH 01Next step
What you see
The filter trap contains substantial food debris, no water is present underneath, and the filter can be removed and reseated using the exact manual.
Do this next
Clean and reseat the filter as documented, then use only the manual's permitted test. If continuous draining returns, isolate the dishwasher and arrange service.
Why this path and its safety boundary
Why it matters: The original thread's rice-starch condition is present and may have contributed to the interrupted wash, but it does not prove that the drain pump or sensor is healthy.
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PATH 02Next step
What you see
Water is found beneath the dishwasher, the pump runs continuously after power is restored, or the lower spray arm is visibly split.
Do this next
Keep power and water isolated, do not tip the appliance or bypass a float, and arrange model-matched service to identify and repair the leak.
Why this path and its safety boundary
Why it matters: The pattern is compatible with a leak or flood-protection response; SMEG says Aquastop can detect leakage and stop water intake, while the thread reports this combination in one DWA6214X2 case.
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PATH 03Next step
What you see
The filter and visible spray arm are intact, no water source is visible, and the dishwasher still returns to drain mode.
Do this next
Do not run repeated cycles or open the cabinet. Provide the complete model code and arrange SMEG service.
Why this path and its safety boundary
Why it matters: The remaining causes are not safely distinguishable from an unknown-model symptom; the pump, hose, level sensing, flood tray and control response cannot be diagnosed from the sound alone.
Helpful context
Understand the symptom
Why a SMEG dishwasher may keep draining
The original thread describes a wash that stopped with the drain pump still running and debris in the filter trap. A later commenter reports a split lower spray arm and water in the tray underneath a DWA6214X2. SMEG's official FAQ confirms that equipped models use Aquastop protection to detect water leakage and cut the water supply. That makes a leak-protection state a useful possibility, but it does not identify the failed part on an unknown model.
Use the exact manual for access
SMEG's official manual portal requires the product code from the appliance label before selecting the language and downloading instructions. Because the supplied topic has no model, filter access, cancel/reset controls and the location of any flood tray cannot be assumed from another SMEG dishwasher. Find the code without removing panels and use the matching manual or service route.
Do not defeat the leak protection
A pump that runs continuously is not a reason to bypass a float or leave the appliance powered while looking for a leak. Isolate power and water from accessible controls, remove only user-accessible debris, and arrange service when water is underneath, the spray arm is split, the pump will not stop, or inspection would require moving a built-in machine.
When checks do not resolve it
Need a professional?
Call SMEG or qualified service when the pump remains in drain mode after the accessible filter check, water is found beneath the appliance, the spray arm is split, or any inspection requires moving or opening a built-in dishwasher.
Safety scope: Isolate power and water for an active leak. Do not tip a built-in dishwasher, remove side or bottom panels, reach into a running pump, bypass a float or Aquastop, force a drain cycle, or perform live electrical tests.
Have this ready
- Provide the complete SMEG product code and region, when the drain mode began, whether the door was opened mid-cycle, water location, filter condition, visible spray-arm damage, whether the pump stops when isolated, and photos taken only from safe accessible areas.
Common questions
FAQ
Does continuous draining prove that the SMEG drain pump is bad?
No. The exact thread includes a case where continuous draining accompanied water in the tray and a split lower spray arm. SMEG says Aquastop can respond to detected leakage on equipped models. A clear filter and a running pump do not identify the failed component.
Can I tip the dishwasher backward to empty the tray?
Do not tip a built-in or unknown-model dishwasher as a generic fix. Moving it can stress water, drain and electrical connections, and it does not repair the source of the leak. Isolate power and water and use the exact manual or service route.
Is a split lower spray arm a known SMEG diagnosis for every drain-mode problem?
It is a reported explanation in the opened thread, including a later DWA6214X2 follow-up, but it is not evidence that every SMEG model uses the same arm or has the same failure. Confirm the model and part through SMEG documentation or service.
Read the exact guide
Official sources
- Customer ServiceSmeg S.p.A. · Opened SMEG's official customer-service page. It directs owners to their country's dedicated spare-parts and service department; it does not provide a generic drain-mode repair sequence.
- User manualsSmeg USA · Opened SMEG's official manual portal. It requires the product code from the appliance label before selecting the language and downloading the matching manual; no model-specific drain procedure is assumed here.
- Dishwasher FAQSmeg USA · Opened SMEG's official dishwasher FAQ. It says Total Aquastop on equipped models detects water leakage under the drum or in the inlet hose and cuts water intake; it does not diagnose the assigned unknown model or authorize bypassing protection.
- SMEG dishwasher - stuck in drain mode?Reddit r/Appliances · Opened the exact Reddit post. It supports the assigned symptom and a later DWA6214X2 community report, but it is not manufacturer guidance and cannot establish a universal cause or part fit.
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