Xinje VB5N Series - Fault Diagnosis and Troubleshooting; Fault Code Identification and Solutions

VB5N series inverter
84
If usre password is needed, input four figures as password, then press to confirm, the password will be valid im-
mediately.
Modification: Press key to validate password, input correct password to enter parameter editing status. Choose
PF.01 (PF.01=0000), input new password and press to confirm, then the password will be valid immediately. The
password for super user is 2644.
PF.02
Software version
－
－
Software version is set by Xinje company, cannot be changed.
5 Fault Diagnosis and solution
5-1. Fault diagnosis and solution
When fault occurs, the error code will show in LED display, the inverter stops outputting and the fault relay contactor is acti-
vated. If the motor is running when the fault occurs, motor will free stop. Table 5-1 is the fault inverter may happen. Please
check the fault according to the table or contact us for service.
Table 5-1 Fault and solution
Fault Code
Fault Type
Possible reason
Solution
E-01
Over-current
when
accelerating
Too heavy is the load and too short is the Acc
time
Increase the accerlation time
V/F curve is not suitable
Adjust V/F curve setting
Restart the motor when it is running
Set to restart after speed detection
Torque boost value is too large
Adjust the value of manual torque boost or change to auto
torque boost
据矩提升
Inverter power is too low
Select higher power inverter
E-02
Over-current when
decelerating
Too short Dec time
Increase the Dec time
Potential energy load or big inertia load
Increase the brake power of external brake unit
Inverter power is too low
Select higher power inverter
E-03
Over-current when
constant speed run-
ning
Sudden change of load
Check and reduce the change of load
Too short Acc/Dec time
Increase the Acc/Dec time
Abnormal load
Check the load
AC power supply voltage is low
Check AC supply voltage
Inverter power is too low
Select higher power inverter
E-04
Over-voltage when
accelerating
Abnormal input voltage
Check input power supply
Too short Acc time
Increase the Acc time
The rotating motor restarts after stop
Set to restart after speed detection
E-05
Over-voltage when
Too short Dec time
Increase Dec time
MENU
ESC