43 
 
 
 
 
F_29: CPU program version 
 
F_30: Last three faults 
 
1.  Last three faults: indicate the sequence of the occurrence of malfunctions by the location of decimal 
point.  x.xx indicates a recently happened malfunction. xx.x indicates the last malfunction that 
happened. xxx. Indicates the earliest malfunction in the record. 
 
2.  After entering the F_30 function, the x.xx trip record will be displayed first. After that, press▲ button 
and you can read activity in a chronological order.  xx.xÆxxx.Æx.xx Æ,,, consecutively. 
 
3.  After entering F_30 function, if the RESET button is pressed, the trip record will be cleared. 
Indication display 
-.--, --.-, and ---. 
 
4.  When the content of trip indicates O.CC, it will indicate the latest trip code is OC-C and so on.