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Appliance Fix Guide

Bosch Dishwasher error code

Bosch Dishwasher Error CHECK-WATER-LIGHT

Indicates a problem with the water supply, such as a blockage or the tap

Indicates a problem with the water supply, such as a blockage or the tap being turned off.

EasyStart with 5-15 minutes of safe checks
Diagnose before buying a part
Bosch dishwasher repair guide for error CHECK-WATER-LIGHT
Error codeCHECK-WATER-LIGHTDishwasher

Try these first

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

  1. 1
    First, locate the water supply valve for your

    First, locate the water supply valve for your dishwasher, which is typically found in the cabinet under the kitchen sink.

  2. 2
    Check the valve to ensure it is in

    Check the valve to ensure it is in the fully open position. The handle should be parallel to the water pipe.

  3. 3
    Inspect the water inlet hose that runs from

    Inspect the water inlet hose that runs from the valve to the dishwasher. Look for any sharp kinks or bends that could be restricting water flow.

A quick explanation

What does CHECK-WATER-LIGHT mean?

Indicates a problem with the water supply, such as a blockage or the tap being turned off.

The answer you came for

How to fix Bosch dishwasher error CHECK-WATER-LIGHT

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

  1. 1

    First, locate the water supply valve for your

    First, locate the water supply valve for your dishwasher, which is typically found in the cabinet under the kitchen sink.

  2. 2

    Check the valve to ensure it is in

    Check the valve to ensure it is in the fully open position. The handle should be parallel to the water pipe.

  3. 3

    Inspect the water inlet hose that runs from

    Inspect the water inlet hose that runs from the valve to the dishwasher. Look for any sharp kinks or bends that could be restricting water flow.

  4. 4

    Gently straighten any kinks you find in the

    Gently straighten any kinks you find in the hose to allow water to pass through freely.

  5. 5

    If the valve is open and the hose

    If the valve is open and the hose is straight, turn off the water supply valve completely.

  6. 6

    Place a towel under the hose connection at

    Place a towel under the hose connection at the valve and carefully unscrew the hose.

  7. 7

    Look inside the connection for a small screen

    Look inside the connection for a small screen filter. If it is clogged with sediment, gently remove it and rinse it clean under a faucet before reinstalling it and reattaching the hose.

  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 CHECK WATER LIGHT Error (Step-by-Step) First, locate the water supply valve for your dishwasher, which is typically found in the cabinet under the kitchen sink. Check the valve to ensure it is in the fully open position. The handle should be parallel to the water pipe. Inspect the water inlet hose that runs from the valve to the dishwasher. Look for any sharp kinks or bends that could be restricting water flow. Gently straighten any kinks you find in the hose to allow water to pass through freely. If the valve is open and the hose is straight, turn off the water supply valve completely. Place a towel under the hose connection at the valve and carefully unscrew the hose. Look inside the connection for a small screen filter. If it is clogged with sediment, gently remove it and rinse it clean under a faucet before reinstalling it and reattaching the hose. 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. Browse all Bosch error codes: Bosch Error Codes

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 CHECK-WATER-LIGHT 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.

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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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