Over Current (Oc); Ground Fault (Gff) - Delta HES Series User Manual

5-2 Over Current (OC)

Remove short circuit
Troubleshoot
or ground fault
short circuit
Reduce load or
increase hybrid servo
controller capacity

5-3 Ground Fault (GFF)

GFF
Ground fault
Check if the output
circuit (cable or motor)
of hybrid servo controller
is shorted to ground
Yes
Resolve
ground fault
Chapter 5 Methods of Anomaly Diagnosis
ocd
ocA
over current in
Over current in
deceleration
acceleration
Check for any shorts between
Yes
motor connection terminals U,
V, and W or shorts to ground
Yes
Check for overload
It's likely hybrid servo
controller breaks down or
malfunctions due to
noise. Please contact
Delta for assistance.
It's likely hybrid servo controller
No
breaks down or malfunctions
due to noise. Please contact
Delta for assistance.
5-7
oc
over current
while running at
constant speed
No
No
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