Xilinx EH600 A Series User Manual page 84

Acceleration over current
E. OC 1
Check if the output loop of the
inverter is grounding or short circuited
No
Whether the acceleration time is too short
No
Whether the manual boost torque
or V/F curve is proper
Yes
Whether the voltage is too low
No
Whether the rotating motor is started
No
Whether the load is added suddenly
during the acceleration
No
The inverter model
is rather small
Deceleration over current
E. OC 2
Check if the output loop of the
inverter is grounding or short circuited
No
Whether the decelerated time is too short
No
Whether the voltage is too low
No
Whether the load is added suddenly
during the acceleration
No
Whether the brake unit and brake
resistor are installed
Yes
Ask for technical support
Chapter 8 Troubleshooting and Countermeasures
Yes
Perform troubleshooting
Yes
Prolong the acceleration time
No Adjust the manual boost
torque or V/F curve
Yes
Adjust the voltage
to normal range
Select start upon rotational
Yes
velocity follow-up or start
upon motor shutdown
Yes
Remove the
added load
Yes
Perform troubleshooting
Yes
Prolong the deceleration time
Yes
Adjust the voltage
to normal range
Yes
Remove the
added load
Yes
Install the brake unit
and brake resistor
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