The Siemens CU240S experienced a powerstack hardware fault from IGBT short circuit or chopper short circuit, requiring service department contact and replacement of the inverter module. The manual's first action is: “Contact Service Department. Change inverter power module.”
- Model
- Siemens CU240S
- Display shows
- Powerstack fault (F00022)
- Type
- Fault code
- Source
- Manual p. 381
What F00022 means
Powerstack fault p. 381
Common causes
- This hardware fault caused by the following events: • DC-link overcurrent = short circuit of IGBT • Short circuit of chopper p. 381
What to do
- Contact Service Department. Change inverter power module. p. 381
If F00022 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact Siemens service.
This page summarises what the manufacturer’s manual says about F00022; 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.
