Shenzhen Nowforever Electronics Technology DK00 Series, User Manual

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68
Fault and trouble shooting
Code Model Reason Solution
Power module
damaged.
Exterior
disturbances. Inspect external
equipment if has strong
interference source.
E003
DC bus
over-voltage
fault
Dec time is too short
and regenerative energy
from the motor is too
large.
Network voltage
is too high.
Load is too heavy
and regenerative
energy is too
large.
Extend the Dec time.
Inspect input voltage.
Select bigger capacity
inverter.
E004
DC bus
under-voltage
fault
Network voltage
is too low. Inspect input voltage.
E005
Motor over-load
fault
Network voltage
is too low.
Load
is too
heavy.
Motor rated
current setting is
Incorrect.
Inverter power is
too small.
Inspect input voltage.
Check the load
，
adjust
the amount of torque to
enhance.
Reinstall rated current
of the motor.
Select bigger capacity
inverter
E006
Inverter
over-heat fault
Ambient
temperature is too
high.
Inverter airiness
is badness. Install colling unit.
To improve the
ventilation.