Siemens CU240S Error F00100: Watchdog Reset

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

Fault codeF00100

Watchdog Reset occurs due to a software error requiring replacement of the inverter control unit. The manual's first action is: “Contact Service Department. Change inverter control unit.”

Model
Siemens CU240S
Display shows
Watchdog Reset (F00100)
Type
Fault code
Source
Manual p. 389

What F00100 means

Watchdog Reset p. 389

Common causes

What to do

  1. Contact Service Department. Change inverter control unit. p. 389

If F00100 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Siemens service.

Open the manual at page 389 All CU240S error codes Manual details & download

This page summarises what the manufacturer’s manual says about F00100; 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.