Bosch dishwashers error codes
21 dishwasher error codes for Bosch dishwashers, what each one means and what to try, paraphrased from Bosch's own source. Codes vary by model, so confirm in your own manual.
All codes
- E01 / E0100 Fault in the heat pump motor circuit on the main control board.
- E02 / E03 / E0103 / E0107 Main control board relay fault.
- E04 / E0105 The self-test found faulty heater electronics.
- E05 / E0106 Fault in the wash arm diverter circuit on the main control board.
- E06 / E8000 Door sensor circuit fault.
- E07 / E2130 The Crystal Dry (zeolite) fan motor is defective.
- E09 / E2030 / E6001 Heat pump internal heater fault.
- E10 / E2120 Crystal Dry (zeolite) chamber heater fault.
- E12 / E2060 Limescale has built up in the heat pump.
- E14 / E3000 Flow meter failure or a problem with water filling.
- E15 / E3100 Water was found in the base; the leak protection system turned on.
- E16 / E17 / E3300 / E3400 Water is not getting into the dishwasher properly.
- E18 / E200 Water level is too low or water is not pumping right.
- E19 / E6900 Detergent dispenser solenoid circuit fault.
- E21 / E6002 The heat pump is blocked.
- E22 / E9240 Usually a blocked filter.
- E23 / E6101 The drain pump is blocked, clogged or faulty.
- E24 / E25 / E6102 / E6103 The drain pump is blocked or its cover is loose.
- E27 / E9001 The house power supply to the unit is too low.
- E0110 Electronics miscommunication failure.
- E6160 PowerControl lower spray arm: reference position not found.
E01 / E0100
What it means: Fault in the heat pump motor circuit on the main control board. This one often needs a licensed technician.
What to try
- Reset power to the breaker for 30 seconds.
- If it is not fixed, call Bosch Customer Support (1-800-944-2904).
E02 / E03 / E0103 / E0107
What it means: Main control board relay fault. This one often needs a licensed technician.
What to try
- Reset power to the breaker for 30 seconds.
- If it is not fixed, call Bosch Customer Support (1-800-944-2904).
E04 / E0105
What it means: The self-test found faulty heater electronics. This one often needs a licensed technician.
What to try
- Call Bosch Customer Support (1-800-944-2904) for assistance.
E05 / E0106
What it means: Fault in the wash arm diverter circuit on the main control board. This one often needs a licensed technician.
What to try
- Reset power to the breaker for 30 seconds.
- If it is not fixed, call Bosch Customer Support (1-800-944-2904).
E06 / E8000
What it means: Door sensor circuit fault. This one often needs a licensed technician.
What to try
- Reset power to the breaker for 30 seconds.
- If it is not fixed, call Bosch Customer Support (1-800-944-2904).
E07 / E2130
What it means: The Crystal Dry (zeolite) fan motor is defective. This one often needs a licensed technician.
What to try
- Reset power to the breaker for 30 seconds.
- If it is not fixed, call Bosch Customer Support (1-800-944-2904).
E09 / E2030 / E6001
What it means: Heat pump internal heater fault. This one often needs a licensed technician.
What to try
- Reset power to the breaker for 30 seconds.
- If it is not fixed, call Bosch Customer Support (1-800-944-2904).
E10 / E2120
What it means: Crystal Dry (zeolite) chamber heater fault. This one often needs a licensed technician.
What to try
- Reset power to the breaker for 30 seconds.
- If it is not fixed, call Bosch Customer Support (1-800-944-2904).
E12 / E2060
What it means: Limescale has built up in the heat pump. You can usually fix this yourself.
What to try
- Descale the dishwasher (the Bosch descaler can be used); limescale builds up quickly in hard water areas.
E14 / E3000
What it means: Flow meter failure or a problem with water filling. This one often needs a licensed technician.
What to try
- Call Bosch Customer Support (1-800-944-2904) for assistance.
E15 / E3100
What it means: Water was found in the base; the leak protection system turned on. This one often needs a licensed technician.
What to try
- Turn off the water inflow.
- Contact Bosch Customer Support at 1-800-944-2904 for assistance.
Safety. Shut off the water supply to stop a possible leak. Source: Dishwasher Error Codes (Bosch Home US Support).
E16 / E17 / E3300 / E3400
What it means: Water is not getting into the dishwasher properly. You can usually fix this yourself.
What to try
- Check the inlet hose is not kinked or damaged.
E18 / E200
What it means: Water level is too low or water is not pumping right. You can usually fix this yourself.
What to try
- Check the inlet hose for kinks or damage.
- Make sure the water supply is on.
E19 / E6900
What it means: Detergent dispenser solenoid circuit fault. This one often needs a licensed technician.
What to try
- Reset power to the breaker for 30 seconds.
- If it is not fixed, call Bosch Customer Support (1-800-944-2904).
E21 / E6002
What it means: The heat pump is blocked. This one often needs a licensed technician.
What to try
- Reset power to the breaker for 30 seconds.
- If it is not fixed, call Bosch Customer Support (1-800-944-2904).
E22 / E9240
What it means: Usually a blocked filter. You can usually fix this yourself.
What to try
- Take out the filter and wash it under running water.
E23 / E6101
What it means: The drain pump is blocked, clogged or faulty. This one often needs a licensed technician.
What to try
- Call Bosch Customer Support (1-800-944-2904) for assistance.
E24 / E25 / E6102 / E6103
What it means: The drain pump is blocked or its cover is loose. You can usually fix this yourself.
What to try
- Remove the drain pump cover, remove standing water and loose debris, and replace the cover so it clicks into place.
- Check the drain pump hose and make sure it is not bent or kinked.
E27 / E9001
What it means: The house power supply to the unit is too low. This one often needs a licensed technician.
What to try
- Reset power to the breaker for 30 seconds.
- If the error occurs again, contact an electrician to check the incoming voltage.
E0110
What it means: Electronics miscommunication failure. This one often needs a licensed technician.
What to try
- Call Bosch Customer Support (1-800-944-2904) for assistance.
E6160
What it means: PowerControl lower spray arm: reference position not found. This one often needs a licensed technician.
What to try
- Call Bosch Customer Support (1-800-944-2904) for assistance.
Source
- Dishwasher Error Codes (Bosch Home US Support) (checked 2026-11-02)
Brand names and model names are trademarks of their owners. Costolio is not affiliated with or endorsed by any manufacturer.
Source checked