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.
Released for: Schneider Electric Hong Kong




Need help?
Product Selector
Quickly and easily find the right products and accessories for your applications.
Get a Quote
Start your sales enquiry online and an expert will connect with you.
Where to buy?
Easily find the nearest Schneider Electric distributor in your location.
Help Centre
Find support resources for all your needs, in one place.