YASKAWA
TOEPC71061687B Powerlink Option Installation Manual
41
Code
Name
Causes
Possible Solutions
CALL
Serial Comm
Transmission Error
The communications cable wiring
is incorrect.
Correct any wiring errors.
There is a short circuit or the
communications cable is not
connected.
•
Repair short circuits and connect cables.
•
Replace the defective communications
cable.
There was a programming error on
the controller side.
Examine communications at start-up and
correct programming errors.
The communications circuitry is
damaged.
•
Do a self-diagnostics check.
•
If the problem continues, replace the
control board or the drive. For
information about replacing the control
board, contact Yaskawa or your nearest
sales representative.
The termination resistor setting for
MEMOBUS/Modbus
communications is incorrect.
On the last drive in a MEMOBUS/Modbus
network, set DIP switch S2 to the ON
position to enable the termination resistor.
EEP
EEPROM Checksum
Error
Communication wiring is faulty,
there is a short circuit, or
something is not connected
properly.
Correct any wiring errors.
EEPROM checksum error.
•
If these errors occur, the object
dictionary will be reset to its default
values. After the object dictionary has
been changed and object dictionary
contents are then changed, execute a
Store Parameter command (Index = 1010
(Hex)).
•
If the object dictionary has not been
changed, execute a Restore Parameter
command (Index = 1011 (Hex)).
Programming error occurred on
the controller side.
Check communications at start-up and
correct programming errors.
Communications circuitry is
damaged.
•
Perform a self-diagnostics check.
•
If the problem continues, replace either
the control board or the entire drive. For
instructions on replacing the control
board, contact Yaskawa or your nearest
sales representative.
Termination resistor setting for
MEMOBUS/Modbus
communications is incorrect.
Enable the termination resistor in the last
drive in a MEMOBUS/Modbus network by
setting DIP switch S2 to the ON position.
8
Disposal
◆
Disposal Instructions
Correctly dispose of the product and packing material as specified by applicable regional, local,
and municipal laws and regulations.
