Symptoms
- Quick or express cycle leaves visible residue
- Half-load setting seems to skip steps
- Problem doesn't happen on the normal or heavy cycle
- Dishes were only lightly soiled to begin with
Likely causes
- CommonQuick/express cycle using less time, water, and heat by designThese cycles trade thoroughness for speed and are meant for lightly soiled, fresh dishes.
- CommonHalf-load setting reducing water use below what a full soiled load needsThis setting assumes less to clean and adjusts water and time accordingly.
- CommonUsing a fast cycle for heavily soiled dishesBaked-on or greasy dishes need the extra time and heat that quick cycles skip.
- PossibleDetergent amount not adjusted for a shorter cycleFull-size detergent doses are calibrated for standard cycles, not truncated ones.
What to do
- Reserve quick or express cycles for lightly soiled dishes loaded shortly after use, not baked-on messes.
- Switch to a normal or heavy cycle for anything with dried-on or greasy food.
- Only use the half-load setting when the load is genuinely small and lightly soiled.
- Pre-rinse or scrape heavier soil before using a quick cycle if you must use one for a fuller load.
- Check that detergent amount matches the package's guidance for shorter cycles, which may call for less product.
- If a normal or heavy cycle also leaves things dirty, treat it as a general cleaning problem rather than a cycle-choice issue.
When to call a pro
This is a cycle-selection issue, not a mechanical fault; no professional visit is needed.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.