Bosch Dishwasher Error E3300

How to Fix E3300 Error (Step-by-Step) Press and hold the power button to turn off the dishwasher.Turn off the water supply to the dishwasher and confirm the error stays cleared during a full test cycle.Check that the water supply hose is not kinked or blocked.Ensure the drain hose is not clogged and confirm the error stays cleared during a full test cycle.Clean the filter at the bottom of the dishwasher and confirm the error stays cleared during a full test cycle.Turn the water supply back on and confirm the error stays cleared during a full test cycle.Restart the dishwasher to see if the error is cleared.Turn the appliance off, wait about 2 minutes, then turn it back on.

What to Check Next on This Bosch Dishwasher Bosch Dishwasher Error E3300: Use the code or symbol as the starting clue, then confirm the actual symptom before ordering parts. Confirm whether the display is a normal cycle/status symbol or a recurring fault that stops operation. Check water supply, filter, sump, spray arms, drain path, and door latch before replacing electronic parts. If the same problem returns after basic checks, inspect the matching sensor, pump, heater, wiring, or control path based on the symptom. 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 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.