Siemens MICRO MASTER and MIDI MASTER Error F011: Internal interface fault ³

Inverter · taken from the manufacturer’s manual, pages cited

Fault codeF011

Internal interface fault indicates a hardware communication issue within the inverter, resolved by restarting power. The manual's first action is: “Switch off power and switch on again.”

Model
Siemens MICRO MASTER and MIDI MASTER
Display shows
Internal interface fault ³ (F011)
Type
Fault code
Source
Manual p. 42

What F011 means

Internal interface fault ³ p. 42

What to do

  1. Switch off power and switch on again. p. 42

Before you service the product, read the safety instructions in the manual p. 4.

If F011 is still not resolved

  • Only qualified personnel may connect, start the system up and repair faults. p. 3
    “Only qualified personnel may connect, start the system up and repair faults.”
  • These personnel must be thoroughly acquainted with all the warnings and operating procedures contained in this manual. p. 3
    “These personnel must be thoroughly acquainted with all the warnings and operating procedures contained in this manual.”

This page summarises what the manufacturer’s manual says about F011; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Siemens. Found a mistake? Report an error.