Advanced Control C220 Series - Page 155

Fault Diagnosis and Countermeasures
C220/C420General Flux Vector Control lnverter User Manual
154
ERR05
Check if the output loop of the
inverter is earthed or short circuited
If the motor parameters are identified
If the deceleration time is too short
Deceleration
over current
Perform troubleshooting
Prolong the deceleration time
Y
Y
Identify the motor parameters
Y
N
If the manual boost torque
or V/F curve is proper
Adjust the manual boost
torque or V/F curve
N
If the voltage is too low
Adjust the voltage
to normal range
Y
Ask for technical
support
N
Vector Control
If the brake unit and brake
resistor are installed
Install the brake unit
and brake resistor
N
f load is added suddenly
during the deceleration
Remove the additional load
Y
ERR07
Stop over
current
Fig.7-4 Deceleration /Stop over current（Err05/Err07）