4.3.6. Malfunction Indication and Solution
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ZMIO310 Vertical Bus Expansion Module User Manual V1.0
Reason
Communication between
coupler and expansion
sub-module breaks.
The pre-scanned sub
module and actual
continuation sub module
are not totally matched.
Solution
Check whether local expansion behind-
level interface is loosened.
Check if the continuation submodule is
lost, or be in malfunction
Check if appears hot plug or discharger
Restart the power.