Siemens CU240B/E-2 Error F30027: Power unit: Precharging DC link time monitoring

Control unit · taken from the manufacturer’s manual, pages cited

Fault codeF30027

The power unit failed to pre-charge the DC link within the expected time frame. The manual's first action is: “OFF2”

Model
Siemens CU240B/E-2
Display shows
Power unit: Precharging DC link time monitoring (F30027)
Type
Fault code
Source
Manual p. 715

What F30027 means

Power unit: Precharging DC link time monitoring p. 715

Common causes

  • The power unit DC link was not able to be pre-charged within the expected time. p. 715

What to do

  1. OFF2 p. 715

If F30027 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 F30027; 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.