Inovance MD380 Series, User Manual

Page: 298 / 304

Maintenance and
Troubleshooting MD380 User Manual
- 298 -
Fault Name Display Possible Causes Solutions
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Err09
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 bus voltage is abnormal.
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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
normal range.
3: Contact the agent or
Inovance.
AC drive overload Err10
1: The load is too heavy or locked-
rotor occurs on the motor.
2: The AC drive size is small.
1: Reduce the load and
check the motor and
mechanical condition.
2: Replace a large drive.
Motor overload Err11
1: F9-01 is set improperly.
2: The load is too heavy or motor
standstill occurs.
3: The AC drive size is small.
1: Set F9-01 correctly.
2: Reduce the load and
check the motor and the
mechanical condition.
3: Replace a large drive.
Power input
phase loss
Err12
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: Contact the agent or
Inovance for technical
support.
Power output
phase loss
Err13
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: Contact the agent or
Inovance.
Module overheat Err14
1: The ambient temperature is too
high.
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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.
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3: Replace the damaged fan.
4: Replace the damaged
thermally sensitive resistor.
5: Replace the inverter
module.
External
equipment fault
Err15
1: External fault signal is input via
DI.
2: External fault signal is input via
YLUWXDO,2
Reset the operation.
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