11 Troubleshooting
50
YASKAWA ELECTRIC
TOBP C730600 96C YASKAWA AC Drive Option SI-ES3 Installation Manual
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 a Yaskawa
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.
CyPo
Cycle Power to Active
Parameters
Although F6-15 = 1 [Comm.
Option Parameters Reload =
Reload Now], the drive does not
update the communication option
parameters.
Re-energize the drive to update the
communication option parameters.
Note: If the option software version is not
compatible or if you install an incorrect
option to the drive, it will trigger an
alarm.
Code
Name
Causes
Possible Solutions
GEM_EtherCAT_IM_E_conditional.book 50 ページ ２０１８年１０月２５日 木曜日 午後７時２９分
