Bosch Dishwasher Error E31

How to Fix E31 Error (Step-by-Step) Disconnect the dishwasher from power by unplugging it or switching off the circuit breaker. Turn off the water supply line, typically found under the sink.Carefully slide the dishwasher out from under the counter. You may need to remove mounting screws securing it to the countertop.Lay the dishwasher on its back on a towel or blanket to access the components underneath. Remove the bottom access panel, which is usually held by a few screws.Locate the heat pump assembly, which is a large component connected to the central sump. Have a towel ready to catch any residual water. Carefully disconnect the wire harnesses and the hoses attached to the old pump.Release the locking tabs or twist the old heat pump to remove it from the sump assembly. It may be a tight fit, so gentle but firm pressure is needed.Install the new heat pump, ensuring the rubber gasket is properly seated to prevent leaks. Lock it securely into place by twisting it until the tabs click.Reconnect all hoses and electrical connectors to the new pump. Re-install the bottom access panel, carefully set the dishwasher upright, and slide it back into place. Reconnect the power and water supply, then run a test cycle to check for proper operation and leaks.Turn the appliance off, wait about 2 minutes, then turn it back on.

What to Check Next on This Bosch Dishwasher Bosch Dishwasher Error E31: 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. 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. 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.