
6 Troubleshooting
- 43 -
Fault name
Display
Reasons
Solutions
Motor ground fault
Motor runs fast during power on Do not connect power supply until motor stops
Output phase to
phase short-circuit
fault
Output phase to phase is short-
circuited
Please check the outputs
Time out
Time is out
Please refer to following diagram
Business time out
Business setting time is out
Please refer to following diagram
Overcurrent multi
prevention fault
Overcurrent multi prevention
fault
Please refer to following diagram
CAN communication
fault
Communication gets interrupted 1� check if BUS wirings have loose connection or
wrong connection
2�check if BUS shielding is well connected, or if BUS
cable is longer than limit
Commnunication gets interfered
The communication never gets
online
1�check if A2-00�A2-01 are setting correctly
2�check if BUS wirings have loose connection or
wrong connection
BUS card fault
Disconnect power supply and seek for maintenance
Canlink address conflicts
Set address A2-01 correctly
Canlink address setting fault
Set address A2-01 correctly
Canopen fault
Sisconnect power supply and seek for maintenance
Speed sensor fault
during motor auto-
tuning
Speed sensor fault during motor
auto tuning
Please refer to following diagram
Speed error fault
Speed error exceeds limit
Please refer to following diagram
Drive parameter setting fault
Increase F2-10
Speed sensor fault
Disconnect power supply and seek for maintenance
Drive parameter setting fault
and speed sensor fault
1�Increase F2-10
2�Disconnect power supply and seek for
maintenance
Motor temperature
fault
Motor PTC overheat
Please refer to following diagram
Temperature sensor
disconnected
Check if motor temperature sensor is connected
PG card flat cable fault
1.check if PG card flat cable is well connected
2�check if motor temperature sensor is short-circuit
Motor KTY overheat
Please refer to following diagram