Chapter 8 Maintenance and Troubleshooting
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Fault code Fault Name Possible Causes Solutions
43#
Shaft-cooling
motor low-
speed running
timeout
For details, see the description of b0.00 and
b0.01.
1. Adjust the setting of b0.00 and b0.01.
2. Protect the motor from overheating.
44#
Forward run
and reverse
run commands
valid
simultaneously
The AC drive detects the forward run and
reverse run commands simultaneously.
1. Check wiring of the terminals used for
input of the forward run and reverse run
commands.
2. Increase the terminal lter time
properly.
45#
Joystick not
returned
The AC drive detects input of the RUN
command or frequency reference signal input
at power-on.
1. Ensure that all NO input contacts are
inactive at power-on.
2. Input the RUN command after system
initialization is completed.
46#
Process card
communication
fault
Communication between the AC drive and the
process card (CS70CF*) is abnormal.
1. Check the setting of bF.18.
2. Contact the agent or Inovance.
47#
CANlink
communication
fault
1. The CANlink extension card is abnormal.
2. The communication cable is abnormal.
1. Check whether the communication
cables between all extension cards are
loose.
2. Check whether connection of each
extension card is loose.
3. Shorten the distance between all
communication nodes as possible as
you can.
48#
RS485
communication
fault
1. The host computer is abnormal.
The communication cable is abnormal.
3. The parameters in group bd are set
incorrectly.
1. Check cabling of the host computer.
2. Check the communication cables.
3. Set the type of the communication
extension card correctly.
4. Set the communication parameters
correctly.
49#
Parameter
read-write
abnormal
The EEPROM chip is damaged. Replace the control board.
50#
External input
fault
The digital input function 6 is active. Reset the operation.
51#
Function code
fault
1. The function parameter setting is abnormal.
2. The EEPROM chip is abnormal.
1. Use the parameter self-check function
to nd the wrong function and modify the
setting.
2. Replace the control board.
52#
Weighing
sensor
detection
abnormal
1. The weighing parameter setting is abnormal.
2. The external weighing signal is abnormal.
1. Check the setting of the weighing
parameters.
2. Check the external weighing signal.