Dishwasher error codes can be frustrating, but understanding them is the first step toward solving the issue. Below is a guide to help you decode and troubleshoot common Bosch dishwasher troubleshooting codes. Don’t worry we’ll walk you through it, one step at a time.
Complete Bosch Dishwasher Error Codes
| Error Code | Meaning | Solution |
|---|---|---|
| E01-E05 | Control Module Issues | Reset by unplugging for 10-15 minutes. If persistent, replace control module. |
| E06 | Door Lock Issue | Ensure door is fully closed. Inspect and replace door latch if necessary. |
| E07 | Drying Fan Malfunction | Check for blockages. Replace fan motor if needed. |
| E09 | Heating Element Failure | Inspect and replace heating element if faulty. |
| E10 | Temperature Sensor Issue | Check wiring and replace thermistor if necessary. |
| E12 | Limescale Buildup in Heating Element | Run a descaling cycle using Bosch dishwasher cleaner. |
| E14 | Water Flow Sensor Error | Clean or replace water flow sensor. Check water inlet valve. |
| E15 | Water Leak Detected (Anti-Flood Protection) | Check for leaks, dry base drip tray. Inspect hoses, pump, and door seals. |
| E16-E17 | Water Inlet Valve Issues | Check water inlet valve and float switch. Reduce water pressure if high. |
| E18 | Low Water Supply / Insufficient Pressure | Ensure water supply tap is fully open. Clean inlet filter. |
| E19 | Heat Exchanger Fault | Requires professional repair or replacement. |
| E20 | Circulation Pump Error | Inspect and clean pump. Replace if necessary. |
| E21 | Blocked Drain Pump | Check and clean drain pump and filters. |
| E22 | Dirty Filter Blockage | Remove and clean dishwasher filter. |
| E23 | Drain Pump Electrical Issue | Replace the drain pump. |
| E24 | Drainage Problem | Ensure drain hose is not bent or clogged. |
| E25 | Blocked Drain Pump or Hose | Clean the drain pump and remove blockages. |
| E27 | Low Voltage Issue | Check for stable voltage supply. |
| E0100, E0103, E0105-E0107 | Software or Sensor Faults | Try hard reset. If persistent, contact Bosch support. |
| E0110 | Power Supply Fault | Ensure power cord is properly plugged in. |
| E2030, E2060 | Sensor Errors (Water Level) | Clean or replace water level sensor. |
| E2120, E2130 | Unknown Component Error | Contact Bosch support for diagnosis. |
| E3000, E3100, E3200 | Internal Software Error | Try reset and update firmware if applicable. |
| E3300, E3400 | Communication Error | Control module might need replacement. |
| E6001, E6002 | Heating or Temperature Sensor Error | Inspect and replace sensor if necessary. |
| E6101, E6102, E6103 | Additional Heating/Temperature Sensor Errors | Verify sensor functionality and replace if needed. |
| E6160 | Circulation Pump Fault | Check for blockages or replace pump. |
| E6900 | Electronics Board Issue | Professional service required. |
| E8000 | Software Error | Reset the dishwasher. |
| E9001 | Unknown Hardware Issue | Contact Bosch support. |
| E9240 | Door Sensor Malfunction | Replace door sensor if faulty. |
| H01 | Delay Timer Activated | Cancel delay timer if not needed. |
Reset Method: Press and hold Start button for 3-5 seconds or unplug for 10-15 minutes.