Bosch Washer E3 Error Code: Causes and Fixes
Quick answer: Excess suds condition
What you’ll notice
Washer stops cycle and shows E3.
Bosch
Washer
Code E3
low severity
Common causes
- Intermittent washer sensor reading outside expected range.
- Temporary power-state mismatch after a surge or abrupt cycle interruption.
- Mechanical restriction in a core washer subsystem (airflow, drain, or movement).
- Wiring harness connection seated loosely due to vibration over time.
Step-by-step fix
- Power-cycle the unit for 3 minutes, then restart a short test cycle.
- Inspect accessible filters, vents, or drains specific to your washer and clear debris.
- Confirm the appliance is level and stable to avoid false sensor triggers.
- Run one empty maintenance cycle and observe whether the code returns.
- If repeated, inspect harness connections and service documentation for continuity checks.
Tools you may need
FlashlightMicrofiber clothSmall brushScrewdriver set
Prevention
- Run monthly maintenance cycles and clean filters on schedule.
- Avoid overloading and keep installation clearances within manufacturer guidance.
- Use surge protection where local power quality is inconsistent.
When to stop DIY
Stop and call a licensed technician if the code reappears after two full restart attempts or if you detect heat, smoke, or water leakage.
FAQ
What does E3 mean on Bosch washer?
E3 usually indicates: Excess suds condition.
Can I keep using the appliance with E3?
Use caution. Severity is low. Stop and call a licensed technician if the code reappears after two full restart attempts or if you detect heat, smoke, or water leakage.
How long does this fix usually take?
Typical first-pass troubleshooting takes 10-35 minutes.