Key Fail

have 2 consoles Hog 3 and 1 is mal function on the keys , when i pres live,7,group,beam put in the info all al the same time.
in the info put /live,7,group,beam with only press 1 of that keys

i install to new version 3.1.4 cause i think is probably software but still haven the same issue
Can be a hardware??
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