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Appliance Fix Guide

Bosch Dishwasher error code

Bosch Dishwasher Error WATER-TAP-SYMBOL

Problem with the water supply.

Problem with the water supply.

EasyStart with 5-15 minutes of safe checks
Diagnose before buying a part
Bosch dishwasher repair guide for error WATER-TAP-SYMBOL
Error codeWATER-TAP-SYMBOLDishwasher

Try these first

Start here before buying a part or taking the appliance apart.

  1. 1
    Begin by checking the water supply valve connected

    Begin by checking the water supply valve connected to the dishwasher, typically located under your kitchen sink. Ensure the handle is turned fully counter-clockwise to the ‘on’ position.

  2. 2
    Pull the dishwasher out slightly from the cabinet

    Pull the dishwasher out slightly from the cabinet to inspect the water inlet hose for any kinks or sharp bends that could restrict water flow.

  3. 3
    Gently straighten any part of the hose that

    Gently straighten any part of the hose that is pinched or bent.

A quick explanation

What does WATER-TAP-SYMBOL mean?

Problem with the water supply.

The answer you came for

How to fix Bosch dishwasher error WATER-TAP-SYMBOL

Start with the safest checks and work from simple to technical.

  1. 1

    Begin by checking the water supply valve connected

    Begin by checking the water supply valve connected to the dishwasher, typically located under your kitchen sink. Ensure the handle is turned fully counter-clockwise to the ‘on’ position.

  2. 2

    Pull the dishwasher out slightly from the cabinet

    Pull the dishwasher out slightly from the cabinet to inspect the water inlet hose for any kinks or sharp bends that could restrict water flow.

  3. 3

    Gently straighten any part of the hose that

    Gently straighten any part of the hose that is pinched or bent.

  4. 4

    Turn off the water supply valve

    Turn off the water supply valve. Place a small bucket or towel under the connection and unscrew the hose from the valve.

  5. 5

    Look inside the end of the hose for

    Look inside the end of the hose for a small filter screen. Check if it is clogged with sediment or debris.

  6. 6

    Remove the screen with needle-nose pliers if possible

    Remove the screen with needle-nose pliers if possible and rinse it thoroughly under running water until clean. Re-insert the filter.

  7. 7

    Securely reattach the hose to the water supply

    Securely reattach the hose to the water supply valve, turn the water back on, and start a new cycle to clear the error.

  8. 8

    Turn the appliance off, wait about 2 minutes,

    Turn the appliance off, wait about 2 minutes, then turn it back on.

  9. 9

    Bosch dishwasher water inlet valve Common replacement category

    Bosch dishwasher water inlet valve Common replacement category: Water inlet valve Fit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for fill and water-supply faults after the tap, hose, and inlet screen are checked. Search Amazon for Bosch dishwasher water inlet valve

  10. 10

    Bosch dishwasher drain pump Common replacement category

    Bosch dishwasher drain pump Common replacement category: Drain pump Fit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for drain and standing-water symptoms after the filter, sump, and hose are checked. Search Amazon for Bosch dishwasher drain pump

  11. 11

    Bosch dishwasher circulation pump Common replacement category

    Bosch dishwasher circulation pump Common replacement category: Circulation pump / wash motor Fit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for wash, spray-arm, and circulation symptoms after filters and spray arms are checked. Search Amazon for Bosch dishwasher circulation pump

Read the additional checks from the current guide

How to Fix WATER TAP SYMBOL Error (Step-by-Step) Begin by checking the water supply valve connected to the dishwasher, typically located under your kitchen sink. Ensure the handle is turned fully counter-clockwise to the ‘on’ position. Pull the dishwasher out slightly from the cabinet to inspect the water inlet hose for any kinks or sharp bends that could restrict water flow. Gently straighten any part of the hose that is pinched or bent. Turn off the water supply valve. Place a small bucket or towel under the connection and unscrew the hose from the valve. Look inside the end of the hose for a small filter screen. Check if it is clogged with sediment or debris. Remove the screen with needle-nose pliers if possible and rinse it thoroughly under running water until clean. Re-insert the filter. Securely reattach the hose to the water supply valve, turn the water back on, and start a new cycle to clear the error. Turn the appliance off, wait about 2 minutes, then turn it back on. Recommended Parts to Check No exact official OEM part number is listed here because the correct Bosch dishwasher part can vary by complete model number. These are targeted part-category searches, not universal fit claims. Bosch dishwasher water inlet valve Common replacement category: Water inlet valve Fit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for fill and water-supply faults after the tap, hose, and inlet screen are checked. Search Amazon for Bosch dishwasher water inlet valve Bosch dishwasher drain pump Common replacement category: Drain pump Fit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for drain and standing-water symptoms after the filter, sump, and hose are checked. Search Amazon for Bosch dishwasher drain pump Bosch dishwasher circulation pump Common replacement category: Circulation pump / wash motor Fit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for wash, spray-arm, and circulation symptoms after filters and spray arms are checked. Search Amazon for Bosch dishwasher circulation pump Before ordering: match the part to the complete Bosch dishwasher model number on the appliance tag. Still Not Working? If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure. Ask a Technician Online – Get Answer in Minutes Find a Local Repair Pro Near You

If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

Recommended part

Recommended part for this error code

No replacement part recommended for this code

The researched guidance for Bosch Dishwasher error WATER-TAP-SYMBOL points to user-action and diagnostic steps above rather than a mapped replacement part. We will not invent a part or send you to an unrelated product.

Replacement options

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Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.

Safety first

Disconnect power before opening panels or touching internal parts.

When to stop
  • Stop if you see burned wiring, melted connectors, water near electrical parts, or a gas smell.
  • Do not perform live-voltage testing unless you are trained and equipped for it.
  • Use the exact model manual or service information before replacing electronic controls.

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