Delta MH300 Series - Page 733

Chapter 14 Fault CodesMH300
14-6
The length of motor cable is
too
long.
Increase the AC motor drive’s capacity.
Install AC reactor(s) on the output side (U/V/W).
Hardware failure
The ocd
occurs due to short circuit or ground fault at the output side of
the drive.
Check for possible short circuits between terminals with the
electric
meter:
B1 corresponds to U, V, W; DC- corresponds to U, V, W;
corresponds
to U, V, W.
If short circuits occur, return to the factory for repair.
Check if the setting for stall
prevention is correct.
Set the stall prevention to the proper value.