REPAIR CENTER TECH BIT
YSI REV A 8/18
REMOVAL OF ALL SENSORS AND PORT PLUGS! This Port Pin looked normal at first glance and then caused a
Sensor Fault error 0020 on the SONDE when a sensor was installed for functional check. After looking through a
Borescope we discovered this corroded pin where an unremoved Port plug had been left in for multiple
deployments. The plug had just been installed and never removed over time. Water eventually was able to get
past the dry rubber pins.