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Code index · 15 entries
Bosch dishwasher error codes
What does your Bosch dishwasher error code mean? 15 codes from official Bosch dishwasher documentation. Select a code for causes, how to fix it safely and when to call a pro. Bosch Dishwasher Error Codes: Troubleshooting Guide (Bosch) (opens in a new tab) ↗.
4 of these 15 Bosch dishwasher pages are marked call-a-pro because the source document points at gas, venting, refrigerant, high voltage or a control the manual does not leave to a homeowner. The other 11 start with a check the document describes, then say when to stop.
Related guides: Dishwasher Leak Codes: E15, AE, LC and Suds · Dishwasher Temperature, Detergent and Limescale Codes · Dishwasher Will Not Drain: E24, C1, OE and 5C · Dishwasher Will Not Fill: E16, H2O, IE and 4C.
Heat pump motor circuit fault at the main control board.
Heat pump internal heater fault.
Limescale build-up in the heat pump.
Flow meter failure: Bosch says E14 indicates a flow meter failure or an issue with water flowing into the dishwasher or the filling system.
Leakage protection activated: the safety switch has detected water in the base of the dishwasher.
Water inflow problem: water may not be able to enter the dishwasher or the filling system.
Water flow problem: the water level is too low, or water is not being pumped correctly.
Detergent dispenser solenoid circuit fault.
Heat pump internal heater fault. Bosch uses this same sentence for E09.
Heat pump blocked: Bosch says E21 means the dishwasher's heat pump is blocked.
Blocked filter: food particles have clogged the dishwasher filter, which needs cleaning regularly.
Drain pump problem: Bosch says E23 indicates an issue with the drain pump, which happens when the pump is blocked, clogged, or faulty.
Not draining properly: the drain filter is blocked.
Drain pump blocked, or the drain pump cover is loose or missing.
Low supply voltage: Bosch says the house power supply to the dishwasher is too low.
Parts named in Bosch codes
Parts the Bosch codes above point to. Check your model's manual before buying.
- Dishwasher descalerSearch on Amazon
- Dishwasher softening saltSearch on Amazon
- Dishwasher water supply lineSearch on Amazon
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Parts and tools for Bosch dishwasher codes →
Source: Bosch Dishwasher Error Codes: Troubleshooting Guide (Bosch) (opens in a new tab) ↗ · Last updated