Yuanxin Electric YX2000, User Manual

Page: 140 / 157

YX3000 Senseless Vector Type Inverter Manual
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Input voltage abnormal Check input power supply
Load abnormal check load
Inverter capacity is too low Select inverter with proper capacity
E-04
Acc
overvoltage
Input voltage abnormal Check input power supply
Acc time is too short Adjust Acc time
Restart the motor in running Setup start mode as speed tracking
restart
Fault
code
Type of faults Possible fault reasons Troubleshooting
E-05
Dec
overvoltage
Dec time is too short Adjust the Dec time
Potential load or load inertia is too
big Add suitable braking device
E-06
Overvoltage
at constant
speed running
Input voltage abnormal Check input power supply
Acc or Dec time is too short Adjust the Acc or Dec time
Abnormal change of input
voltage Mount input reactor
Load inertia is too big Add suitable braking device
E-07 Overvoltage
of control
power supply
Input voltage abnormal Check input power supply
E-08
Inverter
overheat
Air duct obstruction Clean air duct
Environment temperature is too
high
Improve the ventilation or decrease
the carrier frequency
Fan damaged Replace a new fan
Inverter module abnormal Contact supplier
E-09
Inverter
overload
Acc time is too short Adjust Acc time
DC braking value is too high Decrease DC braking current and increase braking
time
V/F curve setup is not suitable Adjust V/F curve