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not
3.whether the load is too large or the
motor stall occurs
motor and its mechanical
conditions
1.The drive panel is abnormal.
2.The lightning protection plate is
abnormal
3.The main control panel is abnormal
4.The three-phase input power is not
normal
1.Replace the drive, the power
board or contactor
2.Seek for technical support
3.Check and eliminate the existing
problems in the peripheral line
1.The lead wires from the inverter to
the motor is not normal
2.The inverter's three phase output is
unbalanced when the motor is running
3.The drive panel is abnormal.
4.The module is abnormal
1.Eliminate peripheral faults
2.Check the motor's three-phase
winding is normal or not and
eliminate faults
3.Seek for technical support
1.The air duct is blocked
2.The fan is damaged
3.The ambient temperature is too high
4.The module thermistor is damaged
5.The inverter module is damaged
1.Clean up the air duct
2.Replace the fan
3.Decrease the ambient temperature
4.Replace the thermistor
5.Replace the inverter module
Input external fault signal through the
multi-function terminal DI
1.The communication cable is not
normal
2.The settings for communication
expansion card F9.07 are incorrect
3.The settings for communication
parameters F9 group are incorrect
4.The host computer is not working
properly
1.Check the communication cable
2.Correctly set the communications
expansion card type
3.Correctly set the communication
parameters
4.Check the wiring of host computer
1.Input phase loss
2.The drive plate and the contact are
not normal
1.Check and eliminate the existing
problems in the peripheral line
2.Replace the drive, the power
board or contactor
1.Check Hall device
2.The drive panel is abnormal.
1.Replace the drive panel
2.Replace hall device
Motor
parameter auto
tuning fault
1.The motor parameters was not set
according to the nameplate
2.The identification process of
parameter is timeout
1.correctly set motor parameter
according to the nameplate
2.check the lead wire from the
inverter to the motor
1.The encoder is damaged
2.PG card is abnormal
3.The encoder model does not match
4.The encoder connection has error
1.Replace the encoder
2.Replace the PG card
3.Correctly set the encoder model
according to the Actual conditions
4.Eliminate the line fault
EEPROM read
and write fault
Replace the main control panel
1.Overvoltage
2.Overcurrent
1.Eliminate overvoltage fault
2.Eliminate overcurrent fault
Short-circuit to
ground fault
Replace the cable or motor
Cumulative
running time
arrival fault
Cumulative running time arrival fault
Clear history information by using
initialization function parameters
Input custom fault 1 signal through the
multi-function terminal DI
Input custom fault 2 signal through the
multi-function terminal DI
Total power-on
time arrival
fault
Total power-on time reaches the set
value
Clear history information by using
initialization function parameters
The inverter running current is less
than F8.31
Confirm whether the load is
removed or not or the settings for
parameter(F8.31, F8.32) accord
with the Actual operating
conditions
PID feedback
loss when
running fault
PID feedback is less than the set value
of E2.11
Check PID feedback signal or set
E2.11 to an appropriate value
Quick current
limiting fault
1.Whether the load is too large or the
motor stall occurs
2.The type selection of inverter is
small
1.Reduce the load and check the
motor and its mechanical
conditions
2.Choose the inverter with large
power level
Switch motor
when running
fault
Change current motor through the
terminal when the inverter is running
Switch motor after the inverter
stops
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