Siemens CU240S Error F00022: Powerstack fault

Siemens CU240S · taken from the manufacturer’s manual, pages cited

Fault codeF00022

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

  1. 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.