Bosch Dishwasher Error Codes: Meanings and Troubleshooting Tips

Your Bosch dishwasher is a reliable kitchen companion, but when error codes pop up, it can throw a wrench in your daily routine. Understanding these error codes can save you time and prevent unnecessary frustration. Whether it’s a minor hiccup or a more serious issue, knowing what each code means helps you tackle the problem head-on.

In this guide, you’ll find a comprehensive breakdown of common Bosch dishwasher error codes and their solutions. From simple fixes you can handle yourself to issues that might need a professional touch, we’ve got you covered. Immerse and get your dishwasher back to peak performance in no time.

Key Takeaways

Understand Error Codes: Familiarizing yourself with Bosch dishwasher error codes can significantly reduce troubleshooting time and frustration.
Common Error Codes: Key error codes include E15 (water leakage), E24 (drainage problem), E25 (blocked drain pump), E09 (heating element malfunction), and E01 (general electronic failure).
Troubleshooting Steps: Each error code has specific troubleshooting steps, such as checking seals for leaks or cleaning clogged filters.
Preventive Maintenance: Regular cleaning, safe usage practices, and periodic inspections can help prevent many common error codes.
Seeking Professional Help: For more complex issues like general electronic failures (E01), consulting professional support is advisable.

Understanding Bosch Dishwasher Error Codes

Understanding Bosch dishwasher error codes helps you identify problems quickly. These codes appear on your dishwasher’s display when there’s an issue, aiding in immediate troubleshooting.

Common Error Codes and Their Meanings

E15: Indicates water leakage or overflow. Check for leaks inside the dishwasher or from the door seal.
E24: Signifies a drainage problem. Inspect the drain hose for blockages or kinks.
E25: Refers to a blocked drain pump. Clear any debris obstructing the pump.
E09: Points to a heating element malfunction. Ensure the heating element functions correctly.
E22: Denotes a clogged filter. Clean the filter to restore proper water flow.
E01: Takes note of a general electronic failure. Contact professional support for this issue.

Steps for Troubleshooting Common Errors

E15:

Turn off the dishwasher and unplug it.
Check the float switch and clean any water in the base.
Examine door seals for damage.

E24:

Unblock or straighten the drain hose.
Run a rinse cycle to verify the fix.

E25:

Remove and clean the drain pump cover.
Clear any debris inside the pump area.

E09:

Test the heating element with a multimeter.
Replace the element if it’s faulty.

E22:

Remove, clean, and reinsert the filter.
Ensure it’s seated properly.

Error Code	Problem Description	Suggested Action
E15	Water leakage or overflow	Check for leaks, clean water, inspect seals
E24	Drainage problem	Clear drain hose, run rinse cycle
E25	Blocked drain pump	Clean drain pump cover, remove debris
E09	Heating element malfunction	Test and replace heating element if needed
E22	Clogged filter	Clean and reinsert the filter
E01	General electronic failure	Contact professional support

Understanding these error codes ensures efficient problem resolution, minimizing downtime and maintaining optimal dishwasher performance.

Common Bosch Dishwasher Error Codes

Understanding Bosch dishwasher error codes helps keep your appliance running efficiently. Recognize these common error codes to quickly resolve issues and maintain your machine’s optimal performance.

Error Code E01: Pump Circuit or Heating Issue

Error code E01 indicates a problem with the pump circuit or heating element. This can disrupt normal operations, impacting the dishwasher’s cleaning efficiency.

Steps to Troubleshoot E01:

Check pump circuit connections.
Inspect heating element wiring.
Consult professional service for in-depth diagnostics.

Error Code E02: Heater Relay Fault

E02 shows a fault in the heater relay, preventing the dishwasher from heating water correctly.

Steps to Troubleshoot E02:

Inspect the relay for damage.
Verify relay connections for any disconnections.
Replace the relay if malfunctioning.

Error Code E03: Water Inlet Valve Failure

When you see E03, it points to a malfunction in the water inlet valve, affecting the water supply.

Steps to Troubleshoot E03:

Check the water inlet valve for blockages.
Ensure valve is properly connected and operational.
Replace if necessary.

Error Code E04: Heating or Water Issue

E04 signals either a heating issue or a problem with water supply.

Steps to Troubleshoot E04:

Verify water inlet for adequate flow.
Inspect the heating element.
Reset the dishwasher and check if the error persists.

Error Code E05: Water Switch Fault

E05 identifies a fault in the water switch, affecting water level detection.

Steps to Troubleshoot E05:

Check the water switch for blockages.
Ensure all connections are secure.
Replace the faulty water switch.

Error Code E06: Door Mechanism Failure

E06 points to a door mechanism problem, which disrupts the dishwasher’s cycle.

Steps to Troubleshoot E06:

Inspect the door latch for damage.
Ensure door sensors are clean and functional.
Replace defective door mechanism components.

Error Code E07: Drying Fault

E07 indicates a drying fault, which means the dishwasher isn’t drying dishes properly.

Steps to Troubleshoot E07:

Check the drying fan motor.
Ensure ventilation paths are clear.
Replace the heating element if necessary.

Error Code E08: Loss of Water

E08 alerts to water loss during the cycle, which affects cleaning performance.

Steps to Troubleshoot E08:

Inspect hoses and connections for leaks.
Check the water inlet valve.
Examine the float switch for correct operation.

Error Code E09: Heating Fault

E09 signals a heating fault, meaning the water isn’t reaching the correct temperature.

Steps to Troubleshoot E09:

Inspect the heating element for continuity.
Verify the thermostat function.
Replace faulty heating components.

Error Code E11: Temperature Sensor Fault

E11 indicates a fault in the temperature sensor, affecting water temperature regulation.

Steps to Troubleshoot E11:

Check the sensor connections.
Replace the temperature sensor if defective.
Ensure the sensor is correctly positioned.

Error Code E13: Water Temperature Too Hot

E13 shows water temperature exceeding safe levels, which can damage dishes and the dishwasher.

Steps to Troubleshoot E13:

Adjust the incoming water temperature from the supply line.
Inspect the heating element.
Replace the faulty thermostat.

Error Code E15: Dishwasher Leaking

E15 points to a leak inside the dishwasher, usually detected by a float switch.

Steps to Troubleshoot E15:

Inspect internal hoses for leaks.
Check the door seal.
Examine the float switch.

Error Codes E23, E24, E25: Drain Pump Failure

E23, E24, and E25 indicate issues with the drain pump, leading to drainage problems.

Clear blockages in the drain pump.
Verify pump motor functionality.
Replace faulty pump components.

Error Code	Description	Steps to Troubleshoot
E01	Pump circuit/heating issue	Check connections, inspect wiring, consult service.
E02	Heater relay fault	Inspect relay, verify connections, replace relay.
E03	Water inlet valve failure	Check for blockages, ensure connections, replace valve.
E04	Heating or water issue	Verify water flow, inspect heating element, reset dishwasher.
E05	Water switch fault	Check for blockages, secure connections, replace switch.
E06	Door mechanism failure	Inspect latch, clean sensors, replace components.
E07	Drying fault	Check fan motor, clear ventilation paths, replace heating element.
E08	Loss of water	Inspect for leaks, check inlet valve, examine float switch.
E09	Heating fault	Inspect heating element, verify thermostat, replace components.
E11	Temperature sensor fault	Check connections, replace sensor, ensure positioning.
E13	Water temperature too hot	Adjust supply temperature, inspect heating element, replace thermostat.
E15	Dishwasher leaking	Inspect hoses, check door seal, examine float switch.
E23, E24, E25	Drain pump failure	Clear blockages, verify motor, replace components.

Addressing Specific Errors

Understanding Bosch dishwasher error codes helps you troubleshoot and resolve issues efficiently. Each code indicates a specific problem, and addressing these accurately can save time and prevent further damage.

Checking and Resolving Pump Circuit Errors

E01 and E23 errors often point to pump circuit issues. These errors mean there’s a problem with your pump’s electrical circuit. Follow these steps to address them:

Turn off the dishwasher: Ensure safety by disconnecting the power.
Inspect wiring: Check all pump connections for tightness or damage.
Replace faulty parts: Replace any burnt or damaged wires or connectors.
Restart the machine: Reconnect the power and run a short cycle to test.

Heater Relay and Heating Fault Solutions

E02, E09, and E11 errors indicate heater-related problems. An error in heating can affect your dishwasher’s ability to clean effectively. Here’s how to fix these issues:

Disconnect power: Always start by unplugging the dishwasher.
Check the heating element: Locate and inspect the heating element for continuity using a multimeter.
Verify the relay: Examine the heater relay; replace if malfunctioning.
Reset and test: After repairs, reset the dishwasher and run a test cycle.

Troubleshooting Water Inlet and Flow Issues

Errors like E03, E04, E08, and E13 suggest water inlet or flow issues. Proper water flow is crucial for operation. Resolve these errors by:

Inspect the inlet valve: Confirm that the water inlet valve is functioning and not clogged.
Check filters: Clean or replace inlet filters.
Evaluate water pressure: Ensure there is adequate water pressure from your home’s supply.
Run a diagnostics test: Once fixed, run a diagnostics cycle.

Fixing Door Mechanism and Sensor Faults

E06 and E15 errors relate to door and leak sensors. Properly closing the dishwasher door is pivotal for operational safety. Address these faults as follows:

Check the door latch: Inspect the door latch for closure and alignment.
Clean the gasket: Ensure the door gasket is clean and sealing well.
Inspect the sensor: Verify leaks via the leak sensor and replace it if faulty.
Test the repairs: Run a short wash cycle to check if the error resolves.

Resetting and Clearing Error Codes

Sometimes, resetting the dishwasher clears minor glitches. Follow these universal steps for most Bosch models:

Press and hold the ‘Start’ button: Do this for about 3–5 seconds until the error code disappears.
Turn off the dishwasher: Switch off the appliance at the power source.
Resume normal operation: After a few minutes, turn the dishwasher back on and start a new cycle.

By addressing these specific error codes methodically, you can keep your Bosch dishwasher running smoothly and efficiently.

Preventive Measures and Maintenance Tips

Maintaining a Bosch dishwasher efficiently helps avoid many common error codes. Regular upkeep ensures the appliance runs smoothly, reducing the need for troubleshooting.

Regular Cleaning

Filter Cleaning: Clean the dishwasher filter at least once a month to prevent clogs and drainage issues. Remove the lower rack to access the filter.

Spray Arm Maintenance: Remove and rinse the spray arms under running water to clear debris that might block water flow.

Door Seal Care: Wipe down the door seal regularly to keep it free from food particles and grime, preventing leakage.

Safe Usage Practices

Loading Practices: Avoid overloading the dishwasher to ensure proper water circulation. Arrange dishes and utensils per the manufacturer’s guidelines.

Detergent Use: Use the recommended type and amount of detergent to prevent residue buildup and ensure efficient cleaning.

Water Temperature: Ensure the water temperature is set between 120°F and 150°F (49°C and 65°C) for optimal performance and to avoid heating errors.

Periodic Inspections

Hose Check: Inspect the inlet and drain hoses periodically for signs of wear or blockages. Replace damaged hoses to prevent leaks and drainage problems.

Electrical Components: Examine the power cord and plug for damage. Ensure the connections are secure to avoid electronic failures.

Component Tightness: Check and tighten any loose screws or components within the dishwasher to prevent operational issues and noise.

Regular Maintenance Schedule

Create a maintenance schedule to keep track of essential tasks, ensuring consistent upkeep.

Maintenance Task	Frequency	Action
Filter Cleaning	Monthly	Remove and clean the filter with warm, soapy water
Spray Arm Rinse	Monthly	Detach and rinse under running water
Door Seal Wiping	Weekly	Wipe with a damp cloth
Hose Inspection	Bi-annually	Check for wear and blockages, replace if necessary
Electrical Inspection	Annually	Inspect cord, plug, and internal wirings for damage or stress
Component Tightness	Quarterly	Tighten screws and check components for stability

Action Points

By following these preventive measures and maintenance tips, you can significantly reduce the occurrence of error codes in your Bosch dishwasher. Regular cleaning, safe usage practices, periodic inspections, and adhering to a consistent maintenance schedule will keep your dishwasher functioning optimally and extend its lifespan.

Conclusion

Understanding Bosch dishwasher error codes can save you time and frustration. By familiarizing yourself with common error codes and their solutions, you can quickly identify and resolve issues, whether through simple DIY fixes or by seeking professional help. Regular maintenance and preventive measures can further reduce the occurrence of these errors, ensuring your dishwasher runs efficiently. Adopting these practices will help you keep your Bosch dishwasher in top condition, enhancing its performance and longevity.

Frequently Asked Questions

How do I clear the error code on my Bosch dishwasher?

Start by resetting your dishwasher by turning it off and then back on after three minutes. Once you’ve turned it back on, press the start button for 10 seconds to further reset your dishwasher’s computer. After 10 seconds, the error code should disappear and you can start using your appliance again.

What is the most common problem with a Bosch dishwasher?

One of the most common complaints about Bosch dishwashers is poor cleaning performance. This issue can manifest in various ways, such as dishes coming out dirty, residue left on glassware, or food particles remaining on plates.

Why is my Bosch dishwasher not starting a cycle?

The most common reasons your Bosch dishwasher won’t start a cycle are a defective electronic control board, damaged power supply board, or a failed door switch.

How do I reset my dishwasher after an error code?

Some models require you to shut off the power to the dishwasher either by unplugging it or shutting off the circuit breaker. Others are reset by pressing and holding the Start/Reset button on the control panel, then waiting a few moments before attempting to start a wash cycle.

How do I put diagnostics on my Bosch dishwasher?

Cycle Countdown display will show “88” when the REGULAR WASH button is pressed and “8h” when the Delay Start button is pressed. To start testing, press both the REGULAR WASH and RINSE & HOLD buttons a second time. When testing has ended, the Cycle Countdown display will show a fault using codes below.