there was no specific error code known as "ACH1" for IFB front load washing machines. It's possible that newer models or updates after my understanding may introduce new error codes.
Error codes in IFB washing machines typically consist of a combination of letters and numbers, and each code indicates a specific issue or problem with the machine. When an error occurs, the washing machine's display panel will show the corresponding error code to help identify the problem.
To find the exact meaning of the "ACH1" error code in your IFB front load washing machine, I recommend referring to the user manual or contacting IFB customer support. They will be able to provide you with up-to-date and accurate information about the error code and how to troubleshoot or fix the issue.