Step-by-Step DIY Fix Guide
- SAFETY: No electrical hazard — F6E3 is a suds condition indicator.
- Open the dishwasher door. Using a plastic cup, scoop out as much foam and suds as possible from the bottom of the tub.
- Pour 2–3 tablespoons of vegetable oil or cooking oil into the bottom of the tub — the oil breaks down the surface tension of the suds.
- Close the door and run a full empty cycle without any detergent.
- Once that cycle completes, run a second empty cycle. If suds reappear, repeat the oil treatment.
- On the next loaded cycle, use only automatic dishwasher detergent (powder, tablet, or gel) in the correct amount for your water hardness.
If the code comes back
- Suds persist after multiple empty cycles — residue may be trapped in the pump or sump
What This Error Means
Error F6E3 on your KitchenAid dishwasher means: The dishwasher has detected too much foam or suds in the tub. The cycle has paused to allow the suds to dissipate. This is typically caused by using the wrong type of detergent. Also displayed as F6 E3 on some KitchenAid models. The dishwasher's self-diagnostic system has detected this condition and paused operation.
The most frequent cause is hand dish soap, liquid hand soap, or regular laundry detergent used instead of automatic dishwasher detergent — these create extreme suds. Work through the causes and fix steps below in order — most KitchenAid dishwasher errors are resolved without a service call.
Error F6E3 is DIY-safe. No special tools are required and the fix typically takes under 30 minutes. Follow all steps in sequence.
Dishwashers require specially formulated automatic dishwasher detergent. Hand dish soap, all-purpose cleaners, and laundry detergent all produce far more suds than the machine can handle. Even a small amount of the wrong detergent causes immediate oversudsing.
What users usually notice before this code
KitchenAid dishwasher warnings like this often show up after standing water, slow draining, heavy food residue, or a cycle that never returned to normal at the end.
Common misdiagnoses
- Assuming the display code proves one exact failed part before the safe first checks are done.
Most Likely Cause by Symptom
The KitchenAid dishwasher may stop, pause, or refuse to complete the cycle normally.
Likely cause: Hand dish soap, liquid hand soap, or regular laundry detergent used instead of automatic dishwasher detergent — these create extreme suds
Check first: SAFETY: No electrical hazard — F6E3 is a suds condition indicator.
Excess foam or detergent residue may be visible.
Likely cause: Too much automatic dishwasher detergent loaded into the dispenser
Check first: Open the dishwasher door. Using a plastic cup, scoop out as much foam and suds as possible from the bottom of the tub.
Common Causes
- Hand dish soap, liquid hand soap, or regular laundry detergent used instead of automatic dishwasher detergent — these create extreme suds
- Too much automatic dishwasher detergent loaded into the dispenser
- Detergent with a sudsing agent that does not rinse fully, leaving residue that foams in subsequent cycles
What Not to Do
- Do not add more detergent to try to counteract the suds — it will make the situation significantly worse
- Do not use dish soap as a substitute — even a small amount will flood the dishwasher with foam
Model and Display Variation Notes
Model-family notes
- KitchenAid dishwasher display wording and code formats can vary by series.
- If your model behaves differently, check the owner manual before trying any deeper maintenance step.
- Some models may display the same fault as F6E3, F6 E3.
Display and panel differences
- Some control panels show this issue as F6E3, F6 E3 instead of only F6E3.
- Panel wording and whether the code appears with letters, numbers, or a longer variant can differ by model family.
Parts, Tools and Service Options
Manual and model check
Check your exact model and manual before ordering any KitchenAid dishwasher parts.
This section stays model-first because exact manual and parts matching matters more than a generic replacement suggestion here.
When Not to Keep Troubleshooting
Suds persist after multiple empty cycles — residue may be trapped in the pump or sump
How to Prevent It Recurring
- Only use detergent labeled for automatic dishwashers — never use dish soap, hand soap, or all-purpose cleaner in a dishwasher
- Follow the detergent dosing guide on the package — most dishwashers need less than the maximum fill line, especially in soft water areas
Related Error Codes
F6E1
The dishwasher has encountered a condition that prevents new cycles from starting. A cycle already in progress will run to completion, but the machine will not accept a new cycle start command until the fault is cleared.
F9E1
The dishwasher is unable to drain water from the tub within the expected time. This is one of the most common dishwasher faults and is usually caused by a blockage in the drain path rather than a component failure.
Helpful guides for this problem
Guide
What to check before replacing a dishwasher drain pump
The checks worth doing before you blame the drain pump and spend money on a fix that may not be the real problem.
Guide
How to tell if a dishwasher problem is drainage or leak-protection related
How to tell whether a dishwasher water-related warning is about drainage or a more cautious leak-protection stop.
Guide
Most common Bosch dishwasher error codes and what they usually mean
A clearer look at the Bosch dishwasher codes owners run into most often and what is worth checking before booking service.
When not to keep pushing DIY troubleshooting
Use the code page for one careful first pass, then stop if the same warning returns or the appliance still cannot get back to normal operation.
Extra notes
- This page is based on KitchenAid support material and stays conservative where model-specific guidance may vary.
- The goal is to help you identify safe first checks before you move into parts, service, or model-specific manual lookup.
Source and model notes
Last reviewed: 2026-04-08
Based on: Based on KitchenAid support material and edited into consumer-safe guidance for the exact code family on this page.
View KitchenAid US Official Support
Model coverage note: KitchenAid dishwasher code meanings can vary by series, control panel, and model family, so use this page as a safe starting point rather than a replacement for the model-specific manual.
Important: FixThisError is an independent guide, not the manufacturer. Use your model-specific manual when the panel wording or behavior differs.
Always disconnect power before inspecting appliances. If unsure, contact a licensed appliance technician.