Inovance MD600 Series - Page 54

Troubleshooting
‑53‑
No. Symptom Possible Cause Check Method Solution
8 The drive detects
overcurrent
(E002.1, E002.2) or
overvoltage
(E005.2)
frequently.
Motor parameters
are set incorrectly.
Check whether the motor rated
parameters (C4‑01 to C4‑11)
are set correctly according to
the motor nameplate and
motor user guide.
Reset motor parameters or perform
motor auto‑tuning.
The acceleration/
deceleration time is
improper.
Set F0‑48 (acceleration time) to
120s. If no fault is reported, the
value of F0‑48 is too small.
Set acceleration/deceleration time
properly. Increase the time by 1s to 2s
each time for test.
A running motor is
started.
Check whether a running
motor is started.
Set the start mode (d0‑02) to flying
start or start the motor after it stops.
The terminal function
is set to "function 47
emergency stop".
The DI signal suffers
interference.
Check whether function 47
(emergency stop) is assigned to
the terminal and check
whether the terminal input is
normal.
Check the DI wiring by referring to the
electrical wiring diagram in MD600
Series Basic AC Drive Hardware Guide.
Increase the DI filter time (E0‑16/E0‑
17) by step of 0.05s.
The load fluctuates. Check the load condition. Contact Inovance for technical
support.
9 The motor coasts
to stop or the
brake fails during
deceleration or
deceleration to
stop.
The overvoltage
suppression
protection function
takes effect.
Check whether the braking
resistor is configured and
whether d1‑54 (overvoltage
suppression) is set to 1
(enable).
If the braking resistor is configured,
set d1‑54 (overvoltage suppression) is
set to 0 (disable).
10 The motor is
running properly,
but the AC drive
reports an
overload error
(E010.1)
The AC drive power is
smaller than the
motor power.
Compare the rated power of
the AC drive (A3‑02) with that of
the motor (C4‑01). Check the
carrier frequency (A5‑01/A5‑02).
If the values of A5‑01/A5‑02 are
higher than the default values,
decrease the values.
The AC drive is derated when the
motor is running at the frequency
below 5 Hz or when the carrier
frequency is high. Decrease the carrier
frequency (A5‑01/A5‑02) or select the
AC drive with a higher power rating.
11 The drive detects
overvoltage
(E005.2) during
deceleration.
The braking resistor
is not connected.
Check whether the braking
resistor is connected.
Configure and connect a braking
resistor.
The overvoltage
suppression function
is disabled.
Check whether d1‑54
(overvoltage suppression) is set
to 1 (enable).
Set d1‑54 (overvoltage suppression) is
set to 1 (enable).
The overexcitation
function is disabled.
Check the value of d0‑41
(overexcitation gain). The value
0 indicates that overexcitation
is disabled.
Increase the value of d0‑41
(overexcitation gain) properly. This
can increase motor energy
consumption during deceleration,
decrease bus feedback energy, and
decrease the occurrence frequency of
overvoltage during deceleration.