ABB Error 20595 — SPI communication towards PSA is down
Error / Erreur🇫🇷 SPI communication towards PSA is down
ABB — CATALOGUE PRODUCTION
ABB 20595 (“SPI communication towards PSA is down”): SPI communication towards PSA is down — ABB robot hardware event on the SPI communication towards PSA is down (IRC5).
Updated 2026-08-29 · LogrobotLM reference
What it means · Ce que ça veut dire
SPI communication towards PSA is down — ABB robot hardware event on the SPI communication towards PSA is down (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.
Status active when cyclic enable 1 test fails from Paint Safety Adapter Board (PSA). The system is in system halt state. 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 SPI communication towards PSA is down, 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 status on Serial Peripheral Interface (SPI) status.
- Check cables between MIB and Paint Safety Adapter Board (PSA).
Frequently asked · Questions fréquentes
- What does ABB error 20595 mean?
- ABB 20595 (“SPI communication towards PSA is down”): SPI communication towards PSA is down — ABB robot hardware event on the SPI communication towards PSA is down (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 20595?
- Inspect the SPI communication towards PSA is down, 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.
Related codes / Codes liés
Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →