User Manual
    ASR-2000 Series User Manual 
28 
Abnormal Internal 
Control 
This alarm is activated and output will be 
disabled immediately when internal control 
abnormality is detected. Beware that all 
operations will be disabled except for the power 
shutdown operation if an error occurs. 
V-Limit 
Voltage limit protection prevents a high voltage 
from damaging the DUT. This alarm can be set 
by the user. 
F-Limit 
Frequency limit protection prevents a high 
frequency from damaging the DUT. This alarm 
can be set by the user. 
OCP 
Over current protection prevents high current 
from damaging the DUT. This alarm can be set 
by the user. 
OTP 
Over temperature protection for power stage 
board. OTP is a hardware protection function. 
Only when the unit has cooled can the over 
temperature protection alarms be cleared. 
Remote Sense 
Error 
Sense alarm. This alarm will detect if the sense 
wires have been connected to the wrong 
polarity. 
AC Fail 
AC failure. This alarm function is activated 
when a low AC input is detected. 
FAN Fail 
Fan failure. This alarm function is activated 
when the fan RPMs drop to an abnormally low 
level. 










