Service Manual FCD 300
Release 01/2003
16
Revise 08/01/2003 by DD Service Manager, Steffen Sundbæk
Unbalanced motor phase currents.
NB:
Slight variations in phase
currents are normal.
Variations greater than 5%
require investigation
•
Open motor winding
•
Faulty motor connection
•
Fault in inverter section (see Symptom No.6.)