Bosch dishwashers are renowned for their efficiency and reliability when it comes to cleaning dishes. However, like any appliance, they can encounter issues from time to time. When your Bosch dishwasher encounters a problem, it often displays error codes to help you identify and resolve the issue. In this guide, we’ll delve into some common Bosch dishwasher error codes and the troubleshooting steps you can take to get your dishwasher back in working order.
E:01 – Water Supply Issue
Troubleshooting:
- Check the water inlet valve for any blockages or clogs.
- Ensure that the water supply to the dishwasher is turned on.
- Examine the water inlet hose for kinks or damage.
E:15 – Water Inlet Issue
Symptom: E:15 signals that there is a leakage or overflow issue inside the dishwasher.
Troubleshooting:
- Turn off the dishwasher and disconnect it from the power supply.
- Check for any visible leaks or blockages in the drain pump or hoses.
- Look for signs of water damage around the dishwasher’s base.
E:24 – Drainage Problem
Symptom: E:24 indicates a problem with draining the water from the dishwasher, often resulting in standing water in the bottom.
Troubleshooting:
- Inspect the dishwasher’s drain pump for obstructions.
- Ensure that the drain hose is properly connected and not kinked.
- Check the sink drain for clogs or blockages.
E:25 – Drain Pump Blocked
Symptom: This error code means that the dishwasher’s drain pump is blocked or obstructed.
Troubleshooting:
- Turn off the dishwasher and disconnect it from the power supply.
- Remove any debris or foreign objects from the drain pump.
- Inspect the drain hose for kinks or damage.
E:09 – Heating Element Failure
Symptom: E:09 indicates a problem with the dishwasher’s heating element, which is responsible for heating the water.
Troubleshooting:
- Check the heating element for visible damage.
- Verify that the dishwasher is receiving adequate power.
- If necessary, replace the heating element.
E:25 – Detergent Dispenser Error
Symptom: E:25 suggests an issue with the detergent dispenser mechanism.
Troubleshooting:
- Ensure that the detergent dispenser is clean and free from any residue.
- Inspect the dispenser latch and spring for proper functioning.
- If necessary, replace the detergent dispenser.
E:27 – Diverter Valve Error
Symptom: E:27 indicates a problem with the diverter valve, which controls water flow in the dishwasher.
Troubleshooting:
- Check for any blockages or obstructions in the diverter valve.
- Verify that the valve is functioning correctly and is not stuck.
- If needed, replace the diverter valve.
E:15 – Water Inlet Issue
Symptom: E:15 signals that there is a leakage or overflow issue inside the dishwasher.
Troubleshooting:
- Turn off the dishwasher and disconnect it from the power supply.
- Check for any visible leaks or blockages in the drain pump or hoses.
- Look for signs of water damage around the dishwasher’s base.
Additional Tips:
- If you find a leak, try to identify the source. It could be a loose hose connection, a damaged gasket, or a faulty door seal. Addressing the source of the leak is crucial to prevent further damage.
- Sometimes, detergent residue or food particles can accumulate in the door seal or gasket, causing leaks. Regularly clean these areas to ensure a proper seal.
E:22 – Water Tap Error
Symptom: E:22 indicates a problem with the water supply, specifically issues with the water inlet valve or water pressure.
Troubleshooting:
- Ensure that the water supply to the dishwasher is turned on and the water pressure is adequate.
- Check the water inlet valve for any clogs or obstructions.
- If the problem persists, consider checking the water inlet valve’s electrical connections.
Additional Tips:
- Low water pressure can affect the dishwasher’s performance. Make sure there are no other appliances running simultaneously that could be using excessive water.
- Periodically clean the mesh filter in the water inlet valve to prevent clogs due to sediment buildup.
E:17 – Water Level Too High
Symptom: E:17 warns that the water level in the dishwasher is too high, indicating a potential draining issue.
Troubleshooting:
- Check for any blockages in the dishwasher’s drain pump or hose.
- Inspect the dishwasher’s sump and filter for debris or foreign objects.
- Ensure the dishwasher is properly leveled, as an uneven installation can affect drainage.
Additional Tips:
- Maintaining a clear sump and filter is essential to prevent drainage problems. Regularly remove and clean these components to keep the dishwasher functioning optimally.
- Properly leveling the dishwasher during installation helps ensure that water drains effectively and that the appliance operates smoothly.
Bosch Dishwasher Error Codes – E01 to E05
| Error Code | Description | Possible Causes | Solution | Recommended Parts |
|---|---|---|---|---|
| E01 | Water supply error | Water inlet valve, hose issue | Check water supply, valve, hose | Inlet valve |
| E02 | Heating element error | Faulty heating element | Replace heating element | Heating element |
| E03 | Temperature sensor error | Faulty sensor, wiring issue | Check sensor, wiring, replace if bad | Temperature sensor |
| E04 | Motor or circulation error | Motor, pump blockage | Inspect motor, remove blockage | Motor assembly |
| E05 | Door latch error | Faulty door latch, wiring issue | Check latch, wiring, replace if bad | Door latch |
Bosch Dishwasher Error Codes – E06 to E10
| Error Code | Description | Possible Causes | Solution | Recommended Parts |
|---|---|---|---|---|
| E06 | Water sensor error | Faulty sensor, clog | Clean sensor, check for clogs | Water sensor |
| E07 | Flow meter error | Flow meter malfunction | Replace flow meter | Flow meter |
| E08 | Detergent dispenser error | Dispenser mechanism issue | Inspect dispenser, replace if needed | Detergent dispenser |
| E09 | Water inlet valve error | Valve malfunction | Replace water inlet valve | Inlet valve |
| E10 | Heating element relay error | Faulty relay | Check relay, replace if necessary | Heating element |
Bosch Dishwasher Error Codes – E11 to E15
| Error Code | Description | Possible Causes | Solution | Recommended Parts |
|---|---|---|---|---|
| E11 | Drain pump error | Pump blockage or failure | Inspect pump, remove blockage | Drain pump |
| E12 | NTC temperature sensor error | Faulty sensor, wiring issue | Check sensor, wiring, replace if bad | Temperature sensor |
| E13 | Water leak error | Leak detection sensor triggered | Check for leaks, fix if found | Leak detection sensor |
| E14 | Reed switch error | Reed switch malfunction | Replace reed switch | Reed switch |
| E15 | AquaStop error | Water leakage detected | Check for leaks, fix if found | Leak detection sensor |
Bosch Dishwasher Error Codes – E16 to E20
| Error Code | Description | Possible Causes | Solution | Recommended Parts |
|---|---|---|---|---|
| E16 | Overfill error | Excessive water in the tub | Check water inlet, float switch | Inlet valve, float switch |
| E17 | Water level too low error | Insufficient water in the tub | Check water supply, float switch | Float switch |
| E18 | Pump time-out error | Drain pump failure | Inspect pump, replace if necessary | Drain pump |
| E19 | Circulation pump error | Circulation pump malfunction | Check pump, replace if needed | Circulation pump |
| E20 | Dryer fan error | Faulty fan motor | Replace fan motor | Dryer fan motor |
Bosch Dishwasher Error Codes – E21 to E25
| Error Code | Description | Possible Causes | Solution | Recommended Parts |
|---|---|---|---|---|
| E21 | Drain pump blocked or faulty | Pump blockage or failure | Inspect pump, remove blockage | Drain pump |
| E22 | Faulty turbidity sensor | Turbidity sensor malfunction | Replace turbidity sensor | Turbidity sensor |
| E23 | Diverter valve error | Diverter valve malfunction | Check valve, replace if necessary | Diverter valve |
| E24 | Inlet valve error | Faulty inlet valve | Replace inlet valve | Inlet valve |
| E25 | Dishwasher not draining error | Drain hose blockage, pump issue | Check hose, inspect pump, fix issue | Drain hose, pump |
Conclusion
Bosch dishwasher error codes are a valuable tool for diagnosing and addressing issues with your dishwasher. These additional error codes and troubleshooting tips can help you further understand and resolve problems that may arise. Remember that proper maintenance and regular cleaning can go a long way in preventing these errors and ensuring your Bosch dishwasher continues to provide efficient and reliable cleaning for your dishes. If difficulties persist, don’t hesitate to seek assistance from Bosch customer service or a qualified technician.
