252
E-09
Driver overload
Improper setting of V/F curve or
torque boost
Adjust V/F curve and torque boost value
Low network voltage
Check network voltage
Too short Acc time
Prolong Acc time
Too heavy load
Select the driver with larger power
E-10
Off load
Output
current
lower
than
off-load detection
Check load
E-11
Function module fault
Short circuit or grounded of driver
output
Check motor wiring
Instantaneous over current of
driver
Refer to actions of over current
Obstruction of damage of
ventilation channel
Clear the ventilation channel or replace the
fan
control board abnormal or
interference serious
Seek help from manufacturer
Power device damage
Seek help from manufacturer
E-12
Input phase loss
Phase loss of power supply
Check power supply and wiring
E-13
Output phase loss or
current imbalance
Output phase failure among phase
U, V, W
Check the driver’s output wiring
E-14
Short trouble of
output to ground
reserved
reserved
E-15
Heatsink overheat 1
Ambient over-temperature
Lower the ambient temperature