Siemens CU240S Error F00027: Overcurrent on W phase

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

Fault codeF00027

Overcurrent on W phase indicates over current trip on W phase or earth fault. The manual's first action is: “Quit fault eg. via DI2”

Model
Siemens CU240S
Display shows
Overcurrent on W phase (F00027)
Type
Fault code
Source
Manual p. 382

What F00027 means

Overcurrent on W phase p. 382

Common causes

What to do

  1. Quit fault eg. via DI2 p. 382
  2. Check Inverter and Motor wiring p. 382

If F00027 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 F00027; 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.