Bosch Washer Error F33

How to Fix F33 Error (Step-by-Step) Disconnect the washer from power and water. Unplug the power cord from the wall outlet and turn off both the hot and cold water supply valves.Remove the top panel of the washer. You will typically find two screws at the back of the machine holding the top panel in place. Remove these screws and slide the top panel backward to lift it off.Locate the water level pressure switch. It is a small, round part usually mounted near the top of the washer cabinet, with a thin rubber tube and an electrical connector attached to it.Disconnect the old switch. Carefully pull the rubber tube off the nipple on the switch. Then, press the locking tab on the electrical connector to unplug it from the switch.Remove the old switch from its mounting bracket. It may be held by a screw or simply clip into place. Unfasten it and remove it from the washer.Install the new water level pressure switch. Secure the new switch onto the mounting bracket, reconnect the electrical connector until it clicks, and firmly push the rubber tube back onto the nipple.Reassemble the washer. Slide the top panel back into position and secure it with the screws at the back. Reconnect the water supply hoses and plug the washer back into the power outlet.Turn the appliance off, wait about 2 minutes, then turn it back on. Parts Availability Note: For this Electrolux/Frigidaire error code, exact OEM part numbers can vary by model revision and serial range. We’ve listed the most likely component(s), but confirm compatibility using your full model number before ordering. If no exact SKU is shown, use this guide for diagnosis first, then verify the matching OEM part on RepairClinic or PartSelect. Likely Parts to Check No exact official OEM part number is listed here because the correct Bosch Washer part can vary by full model number. These are targeted part-category searches, not universal fit claims. Washer electronic control board Common replacement category: Main control board Fit note: Exact OEM part number varies by model. Confirm compatibility using the full model number before buying. Confidence: MediumThis category can be relevant for control and communication faults after wiring checks. Inspect wiring, connectors, airflow, water path, or filters first as applicable. Search Amazon for Washer electronic control board Washer user interface control panel Common replacement category: User interface / display board Fit note: Exact OEM part number varies by model. Confirm compatibility using the full model number before buying. Confidence: MediumThis category can be relevant for display, button, selector, or cycle-control faults. Inspect wiring, connectors, airflow, water path, or filters first as applicable. Search Amazon for Washer user interface control panel Washer drain pump assembly Common replacement category: Drain pump Fit note: Exact OEM part number varies by model. Confirm compatibility using the full model number before buying. Confidence: MediumThis category can be relevant for drain, no-spin, and water-removal symptoms after filter checks. Inspect wiring, connectors, airflow, water path, or filters first as applicable. Search Amazon for Washer drain pump assembly Before ordering: match the part to the complete 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.