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Welkom op de website van Schneider Electric

Welkom op onze website.
Populaire vragen (FAQ's) zoeken
What does a Unity Quantum "Dead error 405 81" indicate?

Dead error 405 is defined as "time out waiting for Modbus Plus"
Sub code 81 means "Prom Checksum error"
During operation the MB+ processor (on the CPU) periodically performs self tests. This error means that the computed checksum was bad.

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