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