Motor Cannot Run - Delta BLD-E1 Series User Manual

Chapter 4 ParametersAT |Troubleshooting}| BLD-E1 Series

5.9 Motor cannot Run

Motor c annot run
Reset after c learing
fault and then R UN
It can run when
no faults oc cur
Pr es s RUN k ey to
check if it can run
Pr es s UP key to
set fr equency
Yes
Pr es s UP to
check if motor
can run
No
Modify oper ation
speed
Motor has malfunction
N o
If load i s too l ar ge
Yes
C heck if the setting
of torque
compens ati on
is cor rect
No
Increase the setting of
torque c ompensation
5-6
C heck if
keypad display
is normal
Yes
Yes
Check if there i s any
fault code di splayed
N o
Input "RU N"
N o
command
by keypad
Yes
No
Check if input F WD
or REV c ommand
Yes
No
Set s peed or not
Yes
if upper bound speed
and setting fr eq. is
lower than the min.
output speed
No
C heck if there i s any
output voltage from
terminals U, V and W
Yes
Yes
Check if motor
connection i s c or rect
Yes
Motor i s l oc ked due to large l oad, pl eas e reduce load.
F or example, if there i s a brake, c hec k if it is r eleas ed.
Check if non-fuse
No
breaker and magnetic
contactor ar e O N
Yes
C heck if input
voltage is normal
Yes
Maybe br ushless DC motor dr ive has malfunction or
misoper ation due to noise. P lease contact DELT A.
Check if the wiri ng
N o
between MI1 and
MI2-DCM is cor rect
No
No
Correc t connection
No
Check if the parameter
setting and wir ing of
analog si gnal and
multi-s tep speed
are corr ect
Maybe br ushless DC motor dr ive has
No
malfunction. Please contac t DELTA.
No
Connec t corr ectly
No
Set them to ON
Check if any faults
No
occur , such as
Lv, P HL or di sconnection
Yes
Change switch or r elay
C hange defec tiv e
Yes
potentiometer and
relay
Revision May 2009, 00DE, V0.50