PSW Series User Manual 
164 
Error Messages & Messages 
The following error messages or messages may appear on the PSW 
screen during operation.  
 
USB Mass Storage is not present 
No (such)file in USB mass storage 
For error messages other than Err 001 to Err 
004, please contact your distributor for service 
repair.  
External control of output. Output off (F-94=0, 
High=on) 
External control of output. Output off (F-94=1, 
Low=on) 
F-93 is not zero. Unable to calibrate. 
F-19 is zero. Unable to turn the output on. 
LED Display Format 
Use the following table to read the LED display messages.   
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