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FANUC Alarm DMER-022Invalid file size

FANUC DMER-022 (“Invalid file size”): The file size specified in the Data Monitor schedule is invalid. First check: Make sure the file size specified in the Data Monitor schedule is not negative and is less than the size of the media you are using.

Updated 2026-08-29 · LogrobotLM reference

Description

The file size specified in the Data Monitor schedule is invalid. This error is reported if the file size specified is negative or larger than the media you are using.

Remedy · Remède

Make sure the file size specified in the Data Monitor schedule is not negative and is less than the size of the media you are using. If you specify the file_size to be zero, Data Monitor only checks that there is at least one free block available

Frequently asked · Questions fréquentes

What does FANUC alarm DMER-022 mean?
FANUC DMER-022 (“Invalid file size”): The file size specified in the Data Monitor schedule is invalid. This error is reported if the file size specified is negative or larger than the media you are using.
How do you troubleshoot FANUC alarm DMER-022?
Make sure the file size specified in the Data Monitor schedule is not negative and is less than the size of the media you are using. If you specify the file_size to be zero, Data Monitor only checks that there is at least one free block available

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Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →