Advertisement
Fault
Fault Descriptions
Name
Auto accel/decel failure
U-phase error
V-phase error
W-phase error
OV or LV
Temperature sensor error
PID feedback signal error
Analog signal error
Phase Loss
Ground fault
Communication Error
Auto Tuning Error
Communication time-out
error on the control board
or power board
Motor overheat protection
PG signal error
CANopen Guarding Time out
(Only for VFDxxxExxC)
CANopen Heartbeat Time out
(Only for VFDxxxExxC)
1.
Check if the motor is suitable for operation by
AC motor drive.
2.
Check if the regenerative energy is too large.
3.
Load may have changed suddenly.
Return to the factory.
1.
Check parameter settings (Pr.10.01) and
AVI/ACI wiring.
2.
Check for possible fault between system
response time and the PID feedback signal
detection time (Pr.10.08)
Check the wiring of ACI
Check Power Source Input if all 3 input phases are
connected without loose contacts.
When (one of) the output terminal(s) is grounded,
short circuit current is more than 50% of AC motor
drive rated current, the AC motor drive power
module may be damaged.
NOTE: The short circuit protection is provided
for AC motor drive protection, not for protection
of the user.
1.
Check whether the IGBT power module is
damaged.
2.
Check for possible poor insulation at the output
line.
1.
Check the RS485 connection between the AC
motor drive and RS485 master for loose wires
and wiring to correct pins.
2.
Check if the communication protocol, address,
transmission speed, etc. are properly set.
3.
Use the correct checksum calculation.
4.
Please refer to group 9 in the chapter 5 for
detail information.
1.
Check cabling between drive and motor
2.
Retry again
1.
Press RESET key to set all parameters to
factory setting.
2.
Return to the factory.
1.
Check if the motor is overheat
2.
Check Pr.07.12 to Pr.07.17 settings
1.
Check the wiring of PG card
2.
Try another PG card
Connect to CAN bus again and reset CAN bus
Connect to CAN bus again and reset CAN bus
English- 33
Corrective Actions
Advertisement
