Sako V780 - Page 69

63
Fault Name Display Possible Causes Solutions
Communication
fault
Err16
1: The host computer is in
abnormal state.
2: The communication
cable is faulty.
3: The communication
parameters in group FD
are set improperly.
1: Check the cabling of host
computer.
2: Check the communication
cabling.
3: Set the communication
parameters properly.
Contactor
fault
Err17
1: The 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.
Current
detection
fault
Err18
1: The HALL device is faulty.
2: The drive board is faulty.
1: Replace the faulty HALL device.
2: Replace the faulty drive board.
Motor auto-
tuning fault
Err19
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.
EEPROM
readwrite
fault
Err21
The EEPROM chip is
damaged.
Replace the main control board.
AC drive
hardware
fault
Err22
1: Overvoltage exists.
2: Overcurrent exists.
1: Handle based on overvoltage.
2: Handle based on overcurrent.
Short circuit
to ground
Err23
The motor is short circuited
to the ground.
Replace the cable or motor.
Accumulative
running time
reached
Err26
The accumulative running
time reaches the setting
value.
Clear the record through
the parameter initialization
function.
User-de󽗉ned
fault 1
Err27
1: The user-de󽗉ned fault 1
signal is input via DI.
2: User-de󽗉ned fault 1
signal is input via virtual I/O.
Reset the operation.
7.2 Troubleshooting List