ABB Error 71554 — Max number of signal safe levels exceeded

What it means · Ce que ça veut dire

Max number of signal safe levels exceeded — ABB robot hardware event on the Max number of signal safe levels exceeded (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The I/O configuration is invalid. The maximum number, arg , of signal safe levels in the I/O system has been exceeded. 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 Max number of signal safe levels exceeded, 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.
• Modify the configuration of the I/O system (by reducing the number of signal safe levels) so that the maximum limit is not exceeded.

Frequently asked · Questions fréquentes

What does ABB error 71554 mean?

ABB 71554 (“Max number of signal safe levels exceeded”): Max number of signal safe levels exceeded — ABB robot hardware event on the Max number of signal safe levels exceeded (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 71554?

Inspect the Max number of signal safe levels exceeded, 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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