
SVF-MN Series Frequency Inverter Operation Manual Chapter 7 Troubleshootin
155
Fault
code
Fault
categories
Possible reasons
of fault
Actions
Wires or
connectors of
control board are
loose
Check and re-wire
Auxiliary power
supply is
damaged
Seek service
Hall sensor is
damaged
Seek service
E019
Current
detection
circuit has
fault or
output loose
phase
Amplifying
circuit is
abnormal
Seek service
Motor's and
drive's capacity
doesn't match
each other.
Replace the drive
with another model
Improper settings
of parameters on
the nameplate
Set the parameters
correctly According
to the nameplate
E020
Auto-learning
fails
Auto-learned and
standard
parameters have
large deviations
Let the motor no
load, re-identify