Error Code: D02 Difficulty: Hard
Problem: There is a problem with the drainage system; the machine is having trouble draining water.
How to Fix D02 Error (Step-by-Step)
- Unplug the washer from the electrical outlet to ensure safety.
- Check the drain hose at the back of the machine for any kinks, twists, or clogs. Straighten the hose if needed and ensure it is not inserted too far into the household drain pipe.
- Prepare for water spillage by placing towels and a shallow pan under the small access door, usually located at the bottom front of the washer. Open the door, slowly unscrew the drain pump filter cap, and allow all water to drain into the pan.
- Completely remove the filter and clean it thoroughly of any debris, such as lint, coins, or hair. Also, check inside the filter housing for any obstructions.
- With the filter removed, reach into the housing and check the small propeller (impeller) inside. It should spin freely with a finger. If it’s stuck or hard to turn, there may be a blockage you need to remove.
- If the filter and impeller are clear and the problem persists, the drain pump itself may have failed. This requires tilting the machine, removing the front or bottom panel, disconnecting the hoses and electrical connectors from the pump, and replacing it with a new one.
- If you are not comfortable performing these steps, especially replacing the pump, it is recommended to call a qualified service service.
- Turn the appliance off, wait about 2 minutes, then turn it back on.
What to Check Next on This Bosch Washer
Bosch Washer Error D02: 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.
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Bosch washer electronic control boardCommon replacement category: Main control boardFit note: Exact OEM part number varies by full Bosch washer model number. Confirm compatibility before buying.Confidence: Medium
This category can be relevant for control and communication faults after wiring and connector checks. -
Bosch washer user interface control panelCommon replacement category: User interface / display boardFit note: Exact OEM part number varies by full Bosch washer model number. Confirm compatibility before buying.Confidence: Medium
This category can be relevant for display, button, selector, or cycle-control faults. -
Bosch washer drain pump assemblyCommon replacement category: Drain pumpFit note: Exact OEM part number varies by full Bosch washer model number. Confirm compatibility before buying.Confidence: Medium
This category can be relevant for drain, no-spin, and water-removal symptoms after filter and hose checks.
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.
More options (for a better recommendation)
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When It’s Better to Replace Than Repair
Sometimes replacing an appliance makes more financial sense than putting more money into repairs.
Here are a few signs it may be time to shop for a new one:
For repair parts, verify exact fit with the full washer model number before buying; these links are general replacement-appliance shopping options.
- ✓Appliance over 8-10 years old
- ✓Repair cost over 50% of replacement
- ✓Multiple recent breakdowns
- ✓Major component failure
Recommended Replacement Options
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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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