Appliance Code Check

Bosch · Dishwasher

E18

Safe checks availableService if the code returns

error code

Bosch E18 means dishwasher water flow is too low or water is not being pumped correctly.

Display form
E18
Lookup normalization
E18
Alternate forms
None retained in the official record

Check the display exactly as shown. The decoder ignores case and spaces, but it never substitutes O/0, I/1, or S/5.

Official meaning, scoped to this source

Bosch E18 means dishwasher water flow is too low or water is not being pumped correctly.

Manufacturer
Bosch
Document
Bosch Dishwasher Error Codes · Official error-code index
Product family
dishwashers covered by the US error-code index
Market and locale
US · en-US

This is an official-source interpretation for the stated scope, not a confirmed diagnosis. Meaning can change across brands, models, product families, and markets.

Market, product family, and model applicability

US · en-US · Bosch dishwashers covered by the cited official US support page

Exact model applicability has not been verified.

This release retains family or source-index scope only. Do not infer that an arbitrary model uses this code; confirm it in the exact manufacturer manual.

Open the official model/manual lookup (opens in a new tab)

Safe external checks

Inspect the external inlet hose and make sure the water supply is on.

  1. Inspect the external inlet hose for kinks or damage and make sure the water supply is on.

Safe checks and when to request service

Contact Bosch Customer Support for further E18 assistance.

  • Contact Bosch Customer Support for further E18 assistance.

Separate hazard signs such as smoke, flooding, sparks, or a burning smell require the manufacturer's safety instructions.

Do not do

Do not remove panels or test the pump or flow system.

Limit checks to the external hose and supply valve; do not access the pump or internal fill system.

Check warranty before authorizing service

Warranty coverage depends on the country, model, purchase date, and manufacturer terms. Have the model and serial number available, open the manufacturer's official support or warranty page, and ask whether the service route is authorized before paying for work.

This public record does not make a coverage determination. Use the official model lookup and warranty information linked below.

Open official model lookup (opens in a new tab)↗View source and warranty links

If the message returns

After the external supply checks, contact Bosch Customer Support for further assistance.

Source and scope

Official source verified at release
Market and locale
US · en-US
Product family
dishwashers covered by the US error-code index
Content and safety verified on
July 26, 2026
Source updated by manufacturer
Not supplied in the official record

Bosch

Bosch Dishwasher Error Codes · Official error-code index

Open official source (opens in a new tab)

Verification and review status

  • Content meaning and safety verifiedJuly 26, 2026
  • Source reachability statusOfficial source verified at release
  • Automated evidence review completedPassed · July 26, 2026
  • Automated safety rules checkPassed for this published safety boundary
  • Human technical reviewPending — no human completion is claimed
  • Publication gateAutomated publication checks passed · July 26, 2026
  • Official-source conflictNo unresolved conflict admitted to this public release

Automated checks and release approval are not a substitute for a qualified service professional or the exact manufacturer manual.

Evidence used for this guidance

  • Error Code E18 row

    Source-backed summary

    E18 means water flow is too low or not pumped correctly. Check the inlet hose and make sure the supply is on; contact Bosch Customer Support for further assistance.

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