Bosch Dishwasher: error code E01, not draining
What is this symptom?
If your Bosch dishwasher displays error code E01 and is not draining, it may indicate an electrical issue hindering its operation. This problem can prevent the dishwasher from progressing through its wash cycle, leading to incomplete cleaning. Understanding the causes and solutions is crucial for effective troubleshooting.
Important Tips for Bosch Models
- Bosch official documentation defines E01 as a heat pump motor circuit fault at the main control board and recommends reset then professional assistance.
Possible Causes
Main control board / power module failure
How to Identify: E01 code persists after reset; no normal cycle progression; visible damage to board or burnt relays; other functions unresponsive
Part: Main control board / power module
Loose or damaged wiring/connections to control board or pump circuit
How to Identify: Intermittent error; visible loose connectors; error clears after reseating wiring
Part: Wiring harness / connectors
Faulty heat pump motor or related circuitry
How to Identify: Multimeter shows open/short conditions in pump motor; error persists even after board reset
Part: Heat pump motor / pump circuit
DIY Solutions
Hard reset the dishwasher
- Turn off the dishwasher circuit breaker or unplug the unit.
- Wait 5–10 minutes to allow the control board to discharge.
- Restore power and attempt to start a cycle.
Inspect and reseat wiring harness connections
- Disconnect power to the dishwasher.
- Remove access panel to reach the control board area.
- Visually inspect and firmly reseat connectors to the board and pump circuitry.
- Restore panels and power, then test cycle.
Next step
Choose the next step for error code E01, not draining
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
- Typical part-only price
- $120 - $280
- DIY difficulty
- Medium
- Estimated time
- 20-40 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
Model-compatible Dishwasher parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Dishwasher Cleaner and Descaler
Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.
Braided Dishwasher Inlet Hose
For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Professional Repairs
Replace main control board / power module
Replace heat pump motor or related circuitry
When to Call a Professional
Preventive Maintenance
-
Periodically reset the dishwasher by power cycling: Transient electrical glitches
Frequency: as needed when odd errors appear -
Inspect wiring and connectors during regular service: Loose connections leading to control errors
Frequency: annually
Frequently Asked Questions
Why is my Bosch Dishwasher Error code E01, not draining?
How do I fix Bosch Dishwasher Error code E01, not draining myself?
How much does it cost to fix Error code E01, not draining?
When should I call a technician for Error code E01, not draining?
References & Sources
Community Analytical Insights
Guidance from available sources; statistical claims are shown only for samples of at least 10 discussions
Common Issues Reported by Users
- Clogged drain filter
- Faulty drain pump
- Blocked drain hose
User Suggested Solutions
-
Check and clean the drain filter. Remove the bottom rack, locate the filter, and clean it under running water to remove debris.
-
Inspect the drain pump for blockages. Access the pump and check for any debris that may be obstructing it. If necessary, replace the pump.
-
Examine the drain hose for kinks or clogs. Disconnect the hose from both ends and flush it with water to ensure it's clear.
Limited-source guidance; percentages and success-rate claims are not shown
View
Sources
Data compiled from real discussions on r/appliancerepair and r/Appliances:
Community Discussions
Error Code E01, dishes are wet, soap is unused
Replacing the drain pump resolved the issue.
Source: Reddit r/appliancerepair
User Comments (0)
Share your experience or solution below.
Please login to post a comment.
Be the first to comment!