INVT DA180 Error Er12-2: I/O fault—Pulse input frequency too high

AC servo drive · taken from the manufacturer’s manual, pages cited

Fault codeEr12-2

I/O fault—Pulse input frequency too high occurs when the detected pulse input frequency exceeds the specified limit, often due to an external signal being too fast. The manual's first action is: “FF01-0C02h”

Model
INVT DA180
Display shows
I/O fault—Pulse input frequency too high (Er12-2)
Type
Fault code
Source
Manual p. 258

What Er12-2 means

I/O fault—Pulse input frequency too high p. 258

Common causes

  • The pulse input frequency detected by the drive is higher than the specified frequency. 1. External input signal frequency is too high. p. 258

What to do

  1. FF01-0C02h p. 258
  2. 1. Reduce the external input pulse signal frequency. 2. If the fault persists though the external input signal is normal, replace the drive. p. 258

If Er12-2 is still not resolved

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

Open the manual at page 258 All DA180 error codes Manual details & download

This page summarises what the manufacturer’s manual says about Er12-2; 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 INVT. Found a mistake? Report an error.