Issue
In application of multiple central units in Arc system, the error code XX-10 always appeared on Slave mode V221 even after execution of install command and Error reappeared again after few minutes from clearing error code on Slave mode V221.
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Product Line

Arc protection relay
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Environment
N/A
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Root Cause
Customer didn’t follow the instruction in our V221 manual.
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Solution
We have to follow the instruction in our V221 manual as shown in below screenshot.





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Released for: Schneider Electric Egypt and North East Africa