GPT-9000/9000A Series User Manual 
166 
For ACW, DCW tests. Shown when the current 
is set too high. 
Voltage is too low or there is no High Voltage 
output. Indicates that the DUT could be 
shorted. 
For ACW, DCW tests. Indicates that an 
abnormal voltage has been detected.  
For GB tests. Voltage is equal to 0. Check to 
see that the SENSE H or SOURCE H is not 
open. 
For IR tests. The voltage is too high or 
resistance=0Ω. Check to see whether the DUT 
or test lead is shorting.  
 
For GB tests. The resistance is too high.  
For GB tests. Current too low. Indicates that 
the SOURCE L or SOURCE H test lead is open 
or poorly connected. Test the test lead 
connection with the DUT to confirm. 
For GB tests. Current is too high. 
For GB tests. Resistance = 0. This error 
indicates that there is an error with the 
measured resistance (0Ω). Perform the zeroing 
function again.  
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