ABB Error 50418 — Drive unit overload

What it means · Ce que ça veut dire

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

The drive unit for joint arg , connected to drive module arg with the drive unit at unit position arg and node arg is approaching a too high temperature level. It is possible to continue but margin to max temperature is too low for long term operation. 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 Drive unit overload, 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 : - 1 The joint may be running with a too high torque for extended periods of time.
• - 2 Short circuit in the manipulator using long motor cables.
• If possible, rewrite the user program to reduce the amount of high acceleration and high deceleration.
• Reduce the static torque due to gravity or external forces.
• Check for short circuit in the motor cable or in the motor.

Frequently asked · Questions fréquentes

What does ABB error 50418 mean?

ABB 50418 (“Drive unit overload”): Drive unit overload — ABB robot hardware event on the Drive unit overload (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 50418?

Inspect the Drive unit overload, 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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