Inovance MD600 Series - Page 53

Troubleshooting
‑52‑
No. Symptom Possible Cause Check Method Solution
6 The motor does
not rotate when
the AC drive is
running.
The cabling between
the AC drive and the
motor is abnormal.
Check whether wiring between
the AC drive and the motor is
correct by referring to the
electrical wiring diagram in
MD600 Series Basic AC Drive
Hardware Guide.
Reconnect the AC drive and the
motor.
Motor parameters
are set incorrectly.
Check whether the motor rated
parameters (C4‑01 to C4‑11)
are set correctly according to
the motor nameplate.
Restore to factory settings and reset
related parameters correctly.
Check whether the rated motor
parameters (C4‑01 to C4‑11)
are consistent with those on
the motor nameplate, such as
the rated motor frequency and
rated motor speed.
Set the motor rated parameters (C4‑
01 to C4‑11) according to the motor
nameplate.
Check whether the control
mode (d0‑00), command
source of control channel 1
(b1‑00), and command source
of control channel 2 (b3‑00) are
set correctly according to the
actual working conditions.
Set d0‑00, b1‑00, and b3‑00 correctly
according to working conditions.
Check the torque boost
parameter under heavy load
start in the V/f control mode.
Set torque boost parameters (d2‑14/
d2‑15) properly.
The drive board is
faulty.
If the parameters are set
correctly and the wiring is
proper, the drive board may be
faulty.
Contact Inovance for technical
support.
7 DI inactive The related
parameters are set
incorrectly.
Check whether parameters
related to terminal settings (E0
group) comply with the scheme
design.
Reset parameters related to terminal
settings (E0 group).
External signals are
incorrect.
Check whether the external
signal cable is connected
correctly by referring to the
electrical wiring diagram in
MD600 Series Basic AC Drive
Hardware Guide.
Reconnect the external signal cable.
DIP switch error Check whether the S4 DIP
switch is set to 24 V.
Set the S4 DIP switch to 24 V.
The control board is
faulty.
If the parameters are set
correctly and the external
signal cable is connected
properly, the control board
may be faulty.
Contact Inovance for technical
support.