ABB Error 40704 — UnLoad Error

What it means · Ce que ça veut dire

UnLoad Error — ABB robot hardware event on the UnLoad Error (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Task: arg . arg . The program module couldn't be unloaded. Program ref: arg . Le texte constructeur de ce code n'existe qu'en anglais dans les manuels ABB dont il provient. Il est reproduit tel quel ci-dessus ; le manuel de votre robot fait foi.

What to check · Que vérifier

• Inspect the UnLoad Error, its wiring and connections first.
• Match this code against your robot's event-log timeline before swapping parts.
• Follow the French field checks below — they are the tested sequence for this fault.
• probable : - Module not loaded with Load instr.
• - Not same file path as used for Load.
• - Check if the program module has been loaded with the instruction Load.
• - Check if the file path and name are the same in the UnLoad and Load instruction.
• Recovery: arg .

Frequently asked · Questions fréquentes

What does ABB error 40704 mean?

ABB 40704 (“UnLoad Error”): UnLoad Error — ABB robot hardware event on the UnLoad Error (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

How do you troubleshoot ABB error 40704?

Inspect the UnLoad Error, its wiring and connections first. Match this code against your robot's event-log timeline before swapping parts. Follow the French field checks below — they are the tested sequence for this fault.

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