What causes Omron error 16#1401 - 16#00000000?

The physical write-protect switch on the SD Memory Card is in the LOCK position.

How do you fix Omron fault code 16#1401 - 16#00000000?

1. Locate the small switch on the side of the SD Memory Card. 2. Slide the switch from the LOCK position to the writable (unlocked) position.

16#1401 - 16#00000000

SD Memory Card Write-protected

Omron · SYSMAC N-Smart Series Library

What does 16#1401 - 16#00000000 mean?

An operation attempted to write data to an SD Memory Card that is currently protected against writing. This prevents any data modification or new file creation on the card.

Common Causes

The physical write-protect switch on the SD Memory Card is in the LOCK position.

Repair Steps & Checklist

Click steps to track your progress.

1
Locate the small switch on the side of the SD Memory Card.
2
Slide the switch from the LOCK position to the writable (unlocked) position.

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Verified technical data. Last updated: April 2026

Source: Omron SYSMAC N-Smart Series Library

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SD Memory Card Write-protected

SD Memory Card Write-protected

What does 16#1401 - 16#00000000 mean?

Common Causes

Repair Steps & Checklist

Related Faults