Inovance MD380 Series

MD380 User Manual Maintenance and Troubleshooting
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Fault Name Display Possible Causes Solutions
2YHUFXUUHQW
during
deceleration
Err03
1: The output circuit is grounded
or short circuited.
2: Motor auto-tuning is not
performed.
3: The deceleration time is too
short.
4: The voltage is too low.
5: A sudden load is added during
deceleration.
6: The braking unit and braking
resistor are not installed.
1: Eliminate external faults.
2: Perform the motor auto-
tuning.
3: Increase the deceleration
time.
4: Adjust the voltage to
normal range.
5: Remove the added load.
6: Install the braking unit and
braking resistor.
2YHUFXUUHQWDW
constant speed
Err04
1: The output circuit is grounded
or short circuited.
2: Motor auto-tuning is not
performed.
3: The voltage is too low.
4: A sudden load is added during
operation.
5: The AC drive size is small.
1: Eliminate external faults.
2: Perform the motor auto-
tuning.
3: Adjust the voltage to
normal range.
4: Remove the added load.
5: Replace a large drive.
2YHUYROWDJH
during
acceleration
Err05
1: The input voltage is too high.
2: An external force drives the
motor during acceleration.
3: The acceleration time is too
short.
4: The braking unit and braking
resistor are not installed.
1: Adjust the voltage to
normal range.
2: Cancel the external force
or install a braking resistor.
3: Increase the acceleration
time.
4: Install the braking unit and
braking resistor.
2YHUYROWDJH
during
deceleration
Err06
1: The input voltage is too high.
2: An external force drives the
motor during deceleration.
3: The deceleration time is too
short.
4: The braking unit and braking
resistor are not installed.
1: Adjust the voltage to
normal range.
2: Cancel the external force
or install the braking resistor.
3: Increase the deceleration
time.
4: Install the braking unit and
braking resistor.
2YHUYROWDJHDW
constant speed
Err07
1: The input voltage is too high.
2: An external force drives the
motor during deceleration.
1: Adjust the voltage to
normal range.
2: Cancel the external force
or install the braking resistor.
Control power
supply fault
Err08
The input voltage is not within the
allowable range.
Adjust the input voltage to
the allowable range.
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