a.  0E0: Communication Fault Between ODUs 
1.  Error display: 
ODU display: 0E0 
2.  Applicable models:   
38VMA***HDS5-1 (208/230V-3Ph-60Hz) 
38VMA***HDS6-1 (460V-3Ph-60Hz) 
3.  Error Definition 
Communication error between header unit and follower unit (display on follower unit). 
4.  Possible causes:   
•  Incorrect address setting of ODU 
•  Communication lines between ODUs is not installed correctly   
•  Wiring between main board and communication adapter is not installed correctly   
•  Damaged main board or communication terminal block of ODU 
 
 
 
Figure 35 - Communication Terminal Block of ODU 
   
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