Mitsubishi MELSEC iQ-F Series Error 1080H: ROM write count error

Mitsubishi MELSEC iQ-F Series · taken from the manufacturer’s manual, pages cited

Error code1080H

The CPU module has exceeded 20,000 write operations to data memory and requires replacement. The manual's first action is: “Replace the CPU module.”

Model
Mitsubishi MELSEC iQ-F Series
Display shows
ROM write count error (1080H)
Type
Error code
Source
Manual p. 274

What 1080H means

ROM write count error p. 275

Common causes

  • The number of writes to the data memory exceeded 20,000 times. p. 275

What to do

  1. Replace the CPU module. p. 275

If 1080H is still not resolved

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

Open the manual at page 274 All MELSEC iQ-F Series error codes Manual details & download

This page summarises what the manufacturer’s manual says about 1080H; 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 Mitsubishi. Found a mistake? Report an error.