ABB Error 41847 — Signal not writeable

What it means · Ce que ça veut dire

Signal not writeable — ABB robot hardware event on the Signal not writeable (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The I/O signals bit(s) is set by a device transfer operation. The signal arg is read only. The program execution is stopped immediately. 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 Signal not writeable, 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 : The I/O signals bit(s) is set by a device transfer operation.
• Check the I/O configuration for I/O signals and device transfer.
• Change signal used in RAPID program.

Frequently asked · Questions fréquentes

What does ABB error 41847 mean?

ABB 41847 (“Signal not writeable”): Signal not writeable — ABB robot hardware event on the Signal not writeable (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 41847?

Inspect the Signal not writeable, 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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