ABB Error 37279 — Wrong feedback from YV1 main air, after activation of YV1 A1MainV

What it means · Ce que ça veut dire

Wrong feedback from YV1 main air, after activation of YV1 A1MainV — ABB robot hardware event on the Wrong feedback from YV1 main air, after activation of YV1 A1MainV (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

A fault is observed on activation of main air supply valve. Divergence reported on feedback. The enable chain will be opened if valve did not deactivate. 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 Wrong feedback from YV1 main air, after activation of YV1 A1MainV, 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.
• Check HMI and system status.
• Check cables and connections.
• Check valve YV1 and feedback from ACU inlet sensor.

Frequently asked · Questions fréquentes

What does ABB error 37279 mean?

ABB 37279 (“Wrong feedback from YV1 main air, after activation of YV1 A1MainV”): Wrong feedback from YV1 main air, after activation of YV1 A1MainV — ABB robot hardware event on the Wrong feedback from YV1 main air, after activation of YV1 A1MainV (IRC5). Specific to this controller generation. Severity: Major. Field…

How do you troubleshoot ABB error 37279?

Inspect the Wrong feedback from YV1 main air, after activation of YV1 A1MainV, 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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