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Appliance Fix Guide

Bosch Washer error code

Bosch Washer Error NO

Displayed on some basic models to indicate that water is not entering the machine, similar to an E17 error.

Displayed on some basic models to indicate that water is not entering the machine, similar to an E17 error.

Updated Aug 18, 2026
informationalno_parts
Bosch washer repair guide for error NO
Error codeNOWasher

Try these first

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

  1. 1
    Check 1

    Understand the Meaning: The 'NO' symbol indicates that it is not currently possible to add laundry to the cycle. This is usually because the water level is too high, the water temperature is too hot, or the drum is spinning.

  2. 2
    Check 2

    Wait for 'YES': If you have paused the cycle to add laundry, wait until the 'YES' symbol appears on the display, which indicates it is safe to open the door.

  3. 3
    Check 3

    Continue the Cycle: If you do not need to add laundry, simply press the 'Start/Pause' button to continue the current wash program.

A quick explanation

What does NO mean?

Displayed on some basic models to indicate that water is not entering the machine, similar to an E17 error.

The answer you came for

How to fix Bosch washer error NO

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

  1. 1

    Step 1

    1. Check if the water supply valve connected to the washer is fully open. It's usually located on the wall behind the machine.

  2. 2

    Step 2

    2. Straighten the water inlet hose to ensure there are no kinks or sharp bends that could block water flow.

  3. 3

    Step 3

    3. Unscrew the inlet hose from the back of the washer and check the small filter screen inside the connection port for any debris or sediment.

  4. 4

    Step 4

    4. Clean the filter screen gently with a small brush under running water if it appears clogged.

  5. 5

    Step 5

    5. Reconnect the hose securely, ensuring it's hand-tight plus a quarter turn with pliers to prevent leaks.

  6. 6

    Step 6

    6. Start a new cycle to see if the machine fills with water correctly.

Read the additional checks from the current guide

How to Fix NO Error (Step-by-Step) Check if the water supply valve connected to the washer is fully open. It's usually located on the wall behind the machine.Straighten the water inlet hose to ensure there are no kinks or sharp bends that could block water flow.Unscrew the inlet hose from the back of the washer and check the small filter screen inside the connection port for any debris or sediment.Clean the filter screen gently with a small brush under running water if it appears clogged.Reconnect the hose securely, ensuring it's hand-tight plus a quarter turn with pliers to prevent leaks.Start a new cycle to see if the machine fills with water correctly.Turn the appliance off, wait about 2 minutes, then turn it back on.

What to Check Next on This Bosch Washer Bosch Washer Error NO: Use the code or symbol as the starting clue, then confirm the actual symptom before ordering parts. Unplug the washer before touching wiring, the lock, the pump area, or the control panel. Check the door lock, drain filter, inlet supply, and visible harness connections before replacing controls. If the code returns during the same part of the cycle, match the repair path to that stage: fill, wash, drain, spin, lock, or control response. If the issue returns after these checks, match replacement parts to the complete Bosch model number from the appliance tag. The same code can point to different components depending on the exact model and when the failure appears. Recommended Parts to Check No exact official OEM part number is listed here because the correct Bosch washer part can vary by complete model number. These are targeted part-category searches, not universal fit claims. Bosch washer electronic control board Common replacement category: Main control board Fit note: Exact OEM part number varies by full Bosch washer model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for control and communication faults after wiring and connector checks. Search Amazon for Bosch washer electronic control board Bosch washer user interface control panel Common replacement category: User interface / display board Fit note: Exact OEM part number varies by full Bosch washer model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for display, button, selector, or cycle-control faults. Search Amazon for Bosch washer user interface control panel Bosch washer drain pump assembly Common replacement category: Drain pump Fit note: Exact OEM part number varies by full Bosch washer model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for drain, no-spin, and water-removal symptoms after filter and hose checks. Search Amazon for Bosch washer drain pump assembly Before ordering: match the part to the complete Bosch washer 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.

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.

What may be causing it?

  • User has paused the cycle and is attempting to open the door when conditions are unsafe (e.g., high water level, high temperature, or spinning drum).

These are possibilities to investigate, not proof that one part has failed.

Recommended part

Recommended part for this error code

No replacement part recommended for this code

The researched guidance for Bosch Washer error NO 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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