Xinje VB3-20P7 User Manual page 97

Motor overload
E-10
Low voltage durning
E-11
operating
IGBT protection
E-12
Peripheral equipment
E-13
fault
Current
E-14 detection circuit
has fault
RS485
E-15
Communication error
E-16 System disturbance
DC injection braking current is too big
V/F curve is not suitable
The rotating motor restarts after stop
Low AC supply voltage
Too heavy load
V/F curve is not suitable
Low AC supply voltage
Common motor has operated with heavy load
at low speed for a long time
Unsuitable motor's overload protection
coefficient
The motor is blocked or the load is too big
Too low AC supply voltage
Instant over current of inverter
Short-circuit among 3-phase output or
line-to-ground short circuit
Vent is obstructed or fan is damaged
Over-temperature
Wires or connectors of control board are loose
Current waveform distorted due to output phase
loss
Auxiliary power is damaged and inverter
voltage is low
Abnormal control board
Emergency stop for peripheral equipment
terminal close
Wires or connectors of control board are loose
Auxiliary powe is damaged
Hall sensor is damaged
Amplifying circuit is abnormal
Baud rate is not suitable
Serial port communication error
Improper setting of alarm parameter
Host PC does not work
Severe disturbance
W/R error of DSP in main control board
Reduce DC injection braking current and prolong braking
time
Adjust V/F curve and torque boost value
Set "start of fly" function
Check AC supply voltage
Select a high power inverter
Adjust V/F curve and torque boost value
Check AC supply voltage
Select motor with frequency conversion if it requires to
operate for a long time
Set motor's overload protection coefficient correctly
Check load
Check AC supply voltage
Refer to countermeasure of over current
Rewiring
Clean the vent or change the fan
Reduce environment temperature
Check and rewiring
Check wiring
Seek factory or agent for service
Seek factory or agent for service
Break external fault terminal after dealing with the
external fault
Check and rewiring
Seek factory or agent for service
Seek factory or agent for service
Seek factory or agent for service
Set suitable baud rate
Press key to reset，or seek service
Modify the setting of P3.09～P3.12
Check host PC, check the wiring
Press key to reset or install power filter at the input
side of the inverter
Press keys to reset or seek service
V5 series inverter
91