Bosch Washer - Er:07 Error Code

The washer detected unexpected heating activity.

Meaning

The washer detected unexpected heating activity.

The Bosch Er:07 error code indicates that the washer detected heating activity when the heating element should be off. This can occur if the heating relay is stuck closed, the heating element is shorted to ground, or the control board is malfunctioning. This is a safety-critical error designed to prevent overheating.

Symptoms

  • Water becomes hot during cold cycles
  • Washer stops mid-cycle with Er:07
  • Burning smell in severe cases

Causes

  • Stuck heating relay
  • Shorted heating element
  • Control board failure
πŸ”§

Step-by-Step Fixes

  • Unplug the washer immediately.
  • Inspect the heating element for shorts.
  • Test the control board heating relay.
⚠️

Safety Notes

  • Do not operate the washer until the heating system is inspected.
πŸ“‹

Applicable Models

Show Models
  • WFL2060
  • WFR2460
  • WFMC3301
πŸ“

Related Pages

πŸ“

Other Bosch Washer Error Codes

Show All Error Codes

Model-Specific Notes

On WFL models, Er:07 is commonly caused by a stuck relay on the control module.

Disclaimer

The information provided on this page is for educational and informational purposes only. Repairs involve electrical, mechanical, and water-related risks. Always follow manufacturer instructions and consider contacting a qualified technician for diagnosis or repair.

Copyright 2026. All rights reserved.