AMETEK SFA Series - Manual (Page 36)

Operation Sorensen SFA Series
4 CURRENT MODE Indicator: Green LED lights when in the constant–current mode of operation.
When in the constant–current mode, the output current will regulate to the set value and the output
voltage will vary with the load. This is the normal operating mode for the SFA.
5 OVERCURRENT FAULT Indicator: Red LED indicates output current has exceeded preset level,
and power supply output is turned off.
6 MODULE FAULT Indicator: Yellow LED indicates an internal fault such as bias supply, thermal, or
converter failure.
7 SET/RESET OVERCURRENT PROTECTION Pushbutton: Depress button to view OCP
level. Push and hold for 4 seconds to reset OCP condition.
8 CURRENT knob: 10–turn adjustment sets the output current. (Optional shaft locks not
shown. Please see Section 3.1.1).
9 ON/OFF Switch: Two–position switch enables or disables the power supply.
WARNING!
The OFF position of the power switch does not remove voltage from the input
terminal blocks. Remove all external power before servicing the unit.
3-2 M550292-01 Rev G