Fault Diagnosis and Solution MD320/MD320N User Manual
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Deceleration over current
Check if the output loop of the
inverter is earthed or short circuited
Perform troubleshooting
If the motor parameters are identified
Identify the motor parameters
V/F Mode
If the deceleration time is too short
Prolong the deceleration time
If the voltage is too low
Adjust the voltage
to normal range
If load is added suddenly
during the deceleration
Remove the additional load
If the brake unit and brake
resistor are installed
Install the brake unit
and brake resistor
Ask for technical support
Fig.8-3 Deceleration over current (ERR03)
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Summary of Contents for MD320 Series
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