Question 1

What does error code E18 / F18 (Washing Machine) u Bosch / Siemens and how to fix it?

Accepted Answer

Washing machine not draining water (drain time exceeded). Repair procedure: Blocked lower drain pump filter trap (coin, hairpin) or worn-out magnetic drain pump.

Question 2

What does error code E15 (Dishwasher) u Bosch / Siemens and how to fix it?

Accepted Answer

AquaStop system triggered – water detected in the dishwasher base tray. Repair procedure: Leaking dishwasher sump gasket (easily fixed with a silicone sump repair seal ring!) or loose hose clamp.

Question 3

What does error code E09 (Dishwasher) u Bosch / Siemens and how to fix it?

Accepted Answer

Dishwasher not heating water – faulty heat pump assembly. Repair procedure: Burned-out heating element integrated inside the Bosch/Siemens circulation pump (replace the complete heat pump unit).

Question 4

What does error code E24 (Dishwasher) u Bosch / Siemens and how to fix it?

Accepted Answer

Dishwasher water drain fault. Repair procedure: Kinked/clogged drain hose at the sink trap or unclipped white pump impeller cover under the dishwasher filter mesh.

Bosch & Siemens Error Codes: E18 / F18, E15, E24, E09, E23 – Error Code Meaning, Troubleshooting & Repair

Error Code Reference Table for Bosch / Siemens and step-by-step repair procedure:

Error Code	Meaning / Fault Symptom	Most Common Cause & Repair Procedure
E18 / F18 (Washing Machine)	Washing machine not draining water (drain time exceeded)	Blocked lower drain pump filter trap (coin, hairpin) or worn-out magnetic drain pump.
E15 (Dishwasher)	AquaStop system triggered – water detected in the dishwasher base tray	Leaking dishwasher sump gasket (easily fixed with a silicone sump repair seal ring!) or loose hose clamp.
E09 (Dishwasher)	Dishwasher not heating water – faulty heat pump assembly	Burned-out heating element integrated inside the Bosch/Siemens circulation pump (replace the complete heat pump unit).
E24 (Dishwasher)	Dishwasher water drain fault	Kinked/clogged drain hose at the sink trap or unclipped white pump impeller cover under the dishwasher filter mesh.