Maintenance and
Troubleshooting
MD380 User Manual
- 290 -
)ault Name Display Possible Causes Solutions
Motor overload Err11
1: )9-01 is set improperly.
2: T
he load is too heavy or locked-
rotor occurs on the motor.
3: T
he AC drive model is of too
small power class.
1: Set )9-01 correctly.
2: Reduce the load and
check the motor and the
mechanical condition.
3: Select an AC drive of
higher power class.
Power input
phase loss
Err12
1: T
he three-phase power input is
abnormal.
2: The drive board is faulty.
3: The lightening board is faulty.
4: T
he main control board is faulty.
1: Eliminate external faults.
2: Contact the agent or
Inovance.
Power output
phase loss
Err13
1: The cable connecting the AC
drive and the motor is faulty.
2: T
he 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: T
he ambient temperature is too
high.
2: The air ¿lter is blocked.
3: T
he 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 ¿lter.
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
virtual I/O.
Reset the operation.
Communication
fault
Err16
1: T
he host computer is in
abnormal state.
2: T
he communication cable is
faulty.
3: )0-28 is set improperly.
4: The communication parameters
in group )D are set improperly.
1: Check the cabling of host
computer.
2: Check the communication
cabling.
3: Set )0-28 correctly.
4: Set the communication
parameters properly.
Contactor fault Err17
1: T
he drive board and power
supply are faulty.
2: The contactor is faulty.
1: Replace the faulty drive
board or power supply board.
2: Replace the faulty
contactor.
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