Convection Steam Oven Error Code E69


  • Boiler scaled up
  • Inlet valve leaking (valve not tight, limescale fragments in seal, etc.)
  • Foam in the boiler housing, especially after descaling


  • Convection Steam Oven (CSO) has error code E69
  • What error 69, E69, and F21 means
  • CSO with F21 message
  • CSO F21/E69 error

Steps to Verify Issue:

If descaling was carried out recently:

  • Water system pumping off water at least three times within 2 hours
  • Use of non-recommended descaling solution can cause foaming


For error E69 and message F21 on a Wolf Convection Steam Oven, no troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.

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