Yuanxin Electric YX2000, User Manual

Page: 139 / 157

YX3000 Senseless Vector Type Inverter Manual
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PF.00 Factory function Range
：
0000
－
9999 0000
Factory function, user no need to amend it
Chapter 7 Troubleshooting
7.1 Fault Alarm and Troubleshooting
When the inverter is abnormal, protection function acts: LED displays fault code and the content,
fault relay acts, the inverter stops output and the motor coasts to stop. YX3000 series inverter’s
fault contents and troubleshooting is shown in Table 7-1. After fault alarm occurs, fault
phenomenon should be recorded in detail, the fault should be processed according to Table 7-1.
When in need of technical assistance, please contact your supplier.
Table 7-1 Alarms and troubleshooting
Fault
code
Type of faults Possible fault reasons Troubleshooting
E-01
Acc over
current
Acc time is too short Adjust acc time
V/F curve setup is not suitable Adjust V/F curve
Restart the motor in running
Setup start mode as speed tracking
restart
Torque boost setup is too big Adjust torque boost or set as auto
mode
Inverter capacity is too low Select inverter with proper capacity
E-02
Dec over
current
Dec time is too short Adjust Dec time
Potential load or load inertia is too
big Add suitable braking device
Inverter capacity is too low Select inverter with proper capacity
E-03
Over current
at constant
speed running
Load mutation Check load
Acc or Dec time is too short Adjust Acc or Dec time