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
- 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.
