Error Code: E2030 Difficulty: Hard
Problem: This code signifies a fault with the circulation motor or an internal heater fault within the heat pump.
How to Fix E2030 Error (Step-by-Step)
- Disconnect the dishwasher from power at the circuit breaker and shut off the water supply valve under the sink. Place towels on the floor as some water will spill.
- Carefully pull the dishwasher out from under the counter. You may need to unscrew mounting brackets that secure it to the countertop.
- Lay the dishwasher on its back to access the components on the bottom. You will see the heat pump and circulation motor assembly in the center.
- Take a photo of the wire and hose connections for reference. Carefully disconnect the electrical connectors from the heat pump. Then, use pliers to release the clamps on the hoses and pull them off the pump assembly.
- Unfasten the mounting brackets or straps holding the heat pump in place. The old pump may need to be twisted or carefully pried to remove it from the dishwasher sump.
- Install the new heat pump assembly, making sure it is seated securely. Reconnect the hoses and tighten the clamps. Reattach the electrical connectors to their correct terminals based on your photo.
- Carefully set the dishwasher upright, slide it back into place, and reconnect the power and water. Run a test cycle to check for leaks and ensure 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 E2030: Use the code, light, or symbol as the starting clue, then confirm what the dishwasher actually does before ordering parts.
- 1. Turn power off before opening panels, reaching into the sump, touching wiring, or checking the pump, heater, valve, sensor, latch, or control area.
- 2. Confirm whether the display is a normal cycle/status symbol or a recurring fault that interrupts filling, washing, draining, drying, locking, or control response.
- 3. Start with the wash path: filter, sump debris, spray-arm movement, circulation-pump sound, wiring, and control output.
- 4. Clean the filter and sump, check spray-arm movement, verify water supply, inspect the drain hose and sink connection, and correct any visible blockage before replacing parts.
- 5. Run a short test cycle and watch where it fails; the exact stage matters more than the displayed word or symbol by itself.
- 6. Replace a part only after the same symptom repeats and the model-specific checks point to that part category. Match any replacement to the complete Bosch model number on the door tag.
If the issue returns after these checks, match replacement parts to the complete Bosch dishwasher model number from the door tag. The same display clue 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.
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Bosch dishwasher water inlet valveCommon replacement category: Water inlet valveFit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying.Confidence: Medium
This category can be relevant for fill and water-supply faults after the tap, hose, and inlet screen are checked. -
Bosch dishwasher drain pumpCommon replacement category: Drain pumpFit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying.Confidence: Medium
This category can be relevant for drain and standing-water symptoms after the filter, sump, and hose are checked. -
Bosch dishwasher circulation pumpCommon replacement category: Circulation pump / wash motorFit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying.Confidence: Medium
This category can be relevant for wash, spray-arm, and circulation symptoms after filters and spray arms are checked.
Before ordering: match the part to the complete Bosch dishwasher model number on the appliance tag.
When It’s Better to Replace Than Repair
Dishwasher repairs can add up quickly when the pump, control, heater, or leak-related parts fail.
Confirm cabinet width, water line, drain routing, electrical connection, and panel style before ordering.
For repair parts, verify exact fit with the full dishwasher model number before buying; these links are general replacement-appliance shopping options.
- [OK]Drain pump or circulation pump failure
- [OK]Leaking tub, door, or float-switch issues
- [OK]Heater or control failures on an older unit
- [OK]Repeated poor washing or drying performance
Recommended Dishwasher Replacement Options
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Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
More options (for a better recommendation)
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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
Read Editorial Standards →Browse all Bosch error codes: Bosch Error Codes


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