Siemens CU240S Error A00502: Overvoltage limit

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

Fault codeA00502

Overvoltage limit occurs during ramp down if Vdc controller is disabled (P1240 = 0), or permanently indicates input voltage issues. The manual lists no action for this code.

Model
Siemens CU240S
Display shows
Overvoltage limit (A00502)
Type
Fault code
Source
Manual p. 391

What A00502 means

Overvoltage limit p. 391

Common causes

  • Overvoltage limit is reached. This warning can occur during ramp down, if the Vdc controller is disabled (P1240 = 0). p. 391
  • If this warning is displayed permanently, check drive input voltage. p. 391

If A00502 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 391 All CU240S error codes Manual details & download

This page summarises what the manufacturer’s manual says about A00502; 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.