F a u l t s a n d s o l u t i o n s
EC590
F a u l t s a n d s o l u t i o n s
EC590
Err06
Err07
Err08
Overvoltage
during
deceleration
Overvoltage
at constant
speed
Control
power supply
fault
1: The input voltage is too high.
2: An external force drives the
motor during deceleration.
3: The deceleration time is too
short.
4: The braking unit and braking
resistor are not installed.
5: Subject to external inter-
ference.
1: The input voltage is too high.
2: An external force drives the
motor during running.
3: Subject to external inter-
ference.
1: The input voltage is not
within the allowable range.
1: Adjust the voltage to normal range.
2: Remove the external force or install a
braking resistor.
3: Increase the deceleration time.
4: Install the braking unit and braking
resistor.
5: According to the historical fault
records, if the current value at the time
of fault is far from reaching the over-
current point value, it is necessary to
find the interference suorce.
1: Adjust the voltage to the normal range.
2: Remove the external force or install
the braking resistor.
3: According to the historical fault
records, if the current value at the time
of fault is far from reaching the over-
current point value, it is necessary to
find the interference suorce.
1: Adjust the input voltage to the
allowable range.
Err09
Undervoltage
1: Instantaneous power failure
occurs on the input power supply.
2: The AC drive's input voltage
is not within the allowable range.
3: The DC-Bus voltage is abnormal.
4: The rectifier bridge and
buffer resistor are faulty.
5: The drive board is faulty.
6: The main control board is
faulty.
1: Reset the fault.
2: Adjust the voltage to the normal range.
3: Contact technical support.
4: Contact technical support.
5: Contact technical support.
6: Contact technical support.
Err10
Err11
AC drive
overload
Motor
overload
1: The load is too heavy or
locked rotor occurs on the motor.
2: The AC drive model is of too
small power class.
1: F9-01 is set improperly.
2: The load is too heavy or
locked rotor occurs on the motor.
3: The AC drive model is of too
small power class.
1: Reduce the load and check the motor
and mechanical condition.
2: Select an AC drive of higher power
class.
1: Set it correctly.
2: Reduce the load and check the motor and
the mechanical condition.
3: Select an AC drive of higher power
class.
Err12
Power input
phase loss
1: The three-phase power input is
abnormal.
2: The drive board is faulty.
3: The lightening board is faulty.
4: The main control board is
faulty.
1: Eliminate external faults.
2: Seek technical support.
3: Seek technical support.
4: Seek technical support.
Err13
Power output
phase loss
1: The cable connecting the AC
drive and the motor is faulty.
2: The AC drive's three-phase
outputs are unbalanced when the
motor is running.
3: The drive board is faulty.
4: The module is faulty.
1: Eliminate external faults.
2: Check whether the motor three-phase
winding is normal.
3: Seek technical support.
4: Seek technical support.
-
1 3
-
-
14
-
Err14
Module
overheat
1: The ambient temperature is too
high.
2: The air filter is blocked.
3: The fan is damaged.
4: The thermally sensitive
resistor of the module is damaged.
5: The inverter module is damaged.
1: Lower the ambient temperature.
2: Clean the air filter.
3: Replace the damaged fan.
4: Replace the damaged thermally
sensitive resistor.
5: Replace the inverter module.
Err15
Err16
External
equipment
fault
Communi-
cation fault
1: External fault signal is input
via S.
2: Input the signal of external
fault through virtual IO function.
1: The host computer is in
abnormal state.
2: The communication cable is
faulty.
3: Incorrect setting of communi-
cation expansion card F0-28.
4: The communication parameters
in group PB are set improperly.
1:Reset the operation.
2:Reset the operation.
1: Check the cabling of host computer.
2: Check the communication cabling.
3: Set the communication expansion
cardtypes.
4: Set the communication parameters
properly.
Err17
Err18
Contactor
faul
Current
detection
fault
1: The drive board and power
supply are faulty.
2: The contactor is faulty.
1: The HALL device is faulty.
2: The drive board is faulty
.
1: Replace the faulty drive board or
power supply board.
2: Replace the faulty contactor.
1: Replace the faulty HALL device.
2: Replace the faulty drive board.
Err19
Motor auto-
tuning fault
1: The motor parameters are not
set according to the nameplate.
2: The motor auto-tuning times
out.
1: Set the motor parameters according
to the nameplate properly.
2: Check the cable connecting the AC
drive and the motor.
Err20
Encoder fault
1: The encoder type is incorrect.
2: The cable connection of the
encoder is incorrect.
3: The encoder is damaged.
4: The PG card is faulty.
1: Set the encoder type correctly
based on the actual situation.
2: Eliminate external faults.
3: Replace the damaged encoder.
4: Replace the faulty PG card.
Err21
Err22
EEPROM
readwrite fault
AC drive
hardware fault
1: The EEPROM chip is damaged.
1: Overvoltage exists.
2: Overcurrent exists.
1: Replace the main control panel.
1: Handle based on over
-
voltage.
2: Handle based on over
-
current.
Err23
Short circuit
to ground
1: The motor is short circuited
to the ground.
1: Replace the cable or motor.
Err26
Running
time reached
1: Accumulative running time
reaches setting.
1: Clear the record through the
parameter initialization function.
Err27
Err28
User-defined
fault 1
User-defined
fault 2
1: Input the signal of user-
defined fault 1 through multi-
function terminal S.
2: Input the signal of user-
defined fault 1 through the
virtual I0 function.
1: Reset the operation.
2: Reset the operation.
1: Input the signal of user-
defined fault 2 through multi-
function terminal S.
2: Input the signal of user-
defined fault 2 through the
virtual I0 function.
1: Reset the operation.
2: Reset the operation.
