Standing water after a cycle
Dishwashers
Thermador Emerald®, Sapphire® and Star-Sapphire® dishwasher diagnostics and repair — drainage, cleaning, leaks and error codes.
Reviewed by admin · Last reviewed August 7, 2026
Overview

This practical guide to Dishwashers explains what Dishwashers usually means, the safe checks worth trying first, and when specialist repair is the better next step.
Readers looking up Dishwashers usually want a clear sequence: confirm the symptom, rule out simple causes, then decide whether Dishwashers needs a technician.
Use this page as a working checklist for Dishwashers before you order parts or book a visit.
Thermador Emerald®, Sapphire® and Star-Sapphire® dishwasher diagnostics and repair — drainage, cleaning, leaks and error codes.
What Dishwashers usually means
In most Thermador appliances, Dishwashers points to a control, sensor, airflow, or component issue that should be confirmed against the exact model before parts are replaced.
Start with simple owner-safe checks. If the same fault returns quickly, book a diagnosis instead of repeating temporary resets.
Common symptoms with Dishwashers
Typical signs include interrupted cycles, unusual sounds, error indicators, or performance that no longer matches normal operation.
Likely causes to consider
Restricted airflow, worn seals, blocked filters, failing sensors, and control communication faults are among the most common contributors.
Safe checks before repairing Dishwashers
Confirm power and door/lid closure, clear obvious blockages, clean accessible filters, and retry one standard cycle after a full power reset.
Avoid opening sealed refrigerant circuits, live terminals, or gas connections. Those steps belong to a trained technician.
When to book a specialist
If Dishwashers continues after the safe checks above, a specialist can test the exact component path and prevent unnecessary parts swapping.
Browse our appliance repair services or contact the team to book a visit.
You can also review official guidance on the Thermador Support site while you gather model details.
For more troubleshooting notes, see our repair guides.
Dishwashers FAQs
What causes standing water?
Usually a drainage restriction — filter, hose or pump. A diagnosis confirms the source.
Where can I look up error codes?
See our Thermador error-code library for plain-language meanings.
Extra repair tips
Write down the full model number before ordering parts. Board and sensor revisions can change which part number is correct.
A single power reset can clear a temporary fault, but repeated returns of the same code usually mean a physical cause remains.
Keep vents and filters clear between visits. Restricted airflow often mimics electrical or sensor failures.
If water, burning smells, or sparking are present, stop using the appliance and arrange a professional inspection.
Good documentation of timing, sounds, and cycle stage helps the technician reproduce the fault faster on arrival.
Using original manufacturer parts and correct torque on fasteners reduces repeat calls after a successful repair.
Not every error needs an immediate part replacement. Measurement and inspection should come before guesswork.
Local water hardness, installation clearances, and usage patterns all influence how quickly issues reappear.
In short: treat Dishwashers as a diagnostic signal, complete the safe checks, and escalate to repair when Dishwashers persists.
Common symptoms
Dishes not coming clean
Leaks at the door or base
Cycle will not start or finish
Error code on the panel
Safety first Do not run a leaking dishwasher, and disconnect power before inspecting internal parts.
Frequently asked questions
Usually a drainage restriction — filter, hose or pump. A diagnosis confirms the source.
See our Thermador error-code library for plain-language meanings.
Tell us what’s wrong — we’ll take it from there
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Request your repair
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