User Manual

VTS2000 Series frequency inverter
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boost
The grid voltage is too low
Check grid voltage
The motor is locked or the load is too
large
Check the load
The motor overload protection factor is set
incorrectly
Correctly set the motor overload protection factor
E-EF
External
equipment fault
Fault input terminal of the external device
is closed
Disconnect the fault input terminal of the external
device and clear the fault (Attention to check the
reason)
EPID
PID feedback
disconnected
PID feedback circuit is loose
Check the feedback connection
Feedback value is less than broken wire
detection value
Adjust the detection input threshold
E485
RS485
communication
Does not match the baud rate of the host
computer
Adjust the baud rate