Display
Fault name
Possible Causes
Solutions
E033
AC drive
hardware fault
u
overvoltage exists.
u
overcurrent exists.
u
handle based on overvoltage.
u
handle based on overcurrent.
E034
Too large
speed
deviation
u
the encoder
parameters are set
incorrectly.
u
the motor self-learning
is not performed.
u
F05.17 and F05.60 are
set incorrectly.
u
set the encoder parameters
properly.
u
perform the motor self-
learning.
u
set F05.17 and F05.60
correctly based on the actual
situation.
E035
Motor over-
spee
u
the encoder
parameters are set
incorrectly.
u
the motor self-learning
is not performed.
u
F05.17 and F05.60 are
set incorrectly.
u
set the encoder parameters
properly.
u
perform the motor self-
learning.
u
set F05.17 and F05.60
correctly based on the actual
situation
E036
Motor
overheat
u
the cabling of the
temperature sensor
becomes loose.
u
the motor temperature
is too high.
u
check the temperature sensor
cabling and eliminate the
cabling fault.
u
lower the carrier frequency or
adopt other heat radiation
measures.
E037
Initial position
fault
u
The motor parameters
are not set based on
the actual situation.
u
Check that the motor
parameters are set correctly
and whether the setting of
rated current is too small.
E038
Motor
switchover
fault during
running
u
Change the selection
of the motor via
terminal during
running of the AC
drive.
u
Perform motor switchover after
the AC drive stops.
Chapter 7 Fault Diagnosis and Trouble Shooting
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