User`s guide

Table Of Contents
Operation and Features 2
5 V Operation
U8030A Series User’s Guide 43
Circuit fault condition
When an internal circuit fault is detected, the 5 V output
will be disabled automatically.
The 5 V annunciator blinks.
The circuit fault condition might be cleared by cycling the
unit power.
If the fault condition persists, stop using the unit and
send it to an authorized service center for repair.