Fault Name
Display
Possible Cause Solution
Fault Type
User-defined fault 1
E27.00
The signal of user-defined
fault 1 is input through the
multi-functional DI terminal.
The signal of user-defined
fault 1 is input through
virtual I/O.
Reset.
Axis fault
User-defined fault 2
E28.00
The signal of user-defined
fault 2 is input through the
multi-functional DI terminal.
The signal of user-defined
fault 2 is input through
virtual I/O.
Reset.
Axis fault
Accumulative
power-on time
reach
E29.00
The accumulative power-on
time reaches the reference.
Clear the record through parameter initialization.
Axis fault
Load loss
E30.00
The running current of the
AC drive is lower than that
set by F9-68.
Check whether the load is disconnected or the
setting of F9-68 and F9-69 satisfies actual running
conditions.
Axis fault
PID feedback loss
during running
E31.00
The PID feedback is lower
than that set by FA-26.
Check the PID feedback signal or set FA-26 properly.
Axis fault
Local parameter
backup failure
E32.00
An exception occurs during
local parameter backup.
Check whether the backed-up drive unit station
numbers exceeds the quantity of drive units
installed.
Power supply unit
fault
Excessive speed
deviation
E42.00
Motor auto-tuning is not
performed.
Perform motor auto-tuning.
Axis fault
F9-73 and F9-74 are set
incorrectly.
Set F9-73 and F9-74 correctly based on actual
conditions.
Axis fault
Motor
overtemperature
E45.00
The temperature sensor is
connected loosely.
Check the temperature sensor connection. Re-
connect the temperature sensor if necessary.
Axis fault
The motor temperature is
too high.
Increase the carrier frequency or take other heat
dissipation measures to cool the motor.
Axis fault
The motor overtemperature
protection thresholds (F9-57,
F9-59, and F9-61) are too
low.
Increase the motor overtemperature protection
thresholds (90°C to 100°C for common motors).
Axis fault
List of Fault Codes
-561-
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