Delta BLD-E1 brushless DC motor drive BLD-E1 Series - Manual (Page 149)

Chapter 4 ParametersAT |Troubleshooting}| BLD-E1 Series
5-2 Revision May 2009, 00DE, V0.50
5.2 Ground Fault
GFF
Ground faul t
No
Yes
Is output circuit(c able or
motor) of brushles s DC
motor drive grounded?
Remove ground fault
Maybe B rushless DC motor
driv e has malfunc tion or
misoperation due to noise.
Please contac t DELTA.
5.3 Over Voltage (OV)
Ov er v oltage
Yes
No
Yes
No
No
No
Is voltage within
specific ation
Has ov er -v ol tage oc curr ed without load
Maybe br ushless DC
motor dr ive has
malfunction or
misoperation due to
noise. Pl eas e contact
DELTA.
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
When O V oc curs, check if the
voltage of DC B US is greater
than protection v al ue
Dose O V oc cur when
sudden acc eleration
stops
Increase
deceleration
time
Increase
acceler ati on
time
Reduc e moment of load inertia
Use br ake unit or DC br ak e
Need to check control method. Please c ontact DELTA.
Need to consi der usi ng
brake unit or
DC brake
Reduc e moment
of inertia
Reduc e voltage to
be within s pec .
Increase setti ng time