YASKAWA CC-Link Installation Manual page 51

Alarms
n
Keypad Display
AEr
Cause
CC-Link Option is set to an
address outside the
allowable setting range.
Keypad Display
CALL
Cause
Communication wiring is
faulty.
An existing short circuit or
communications
disconnection
Programming error on the
master side.
Communication circuitry is
damaged.
Termination resistor of the
MEMOBUS/Modbus
communications is not
enabled.
Keypad Display
CyPo
Cause
Although F6-15 = 1 [Comm.
Option Parameters Reload =
Reload Now], the drive does
not update the
communication option
parameters.
YASKAWA ELECTRIC TOBP C730600 83C YASKAWA AC Drive Option SI-C3 Installation Manual
Station Address Error
Option is set to an address outside the allowable setting range.
Possible Solution
Set F6-10 to an address within the specified range.
Serial Communication Transmission Error
Communication is not established.
Possible Solution
• Check for wiring errors.
• Correct the wiring.
Check disconnected cables and short circuits and repair as needed.
Check communications at start-up and correct programming errors.
• 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.
Set DIP switch S2 to the ON position to enable the termination
resistor on a drive located at the end of a network line.
Cycle Power to Active Parameters
Comm. Option Parameter Not Upgraded
Possible Solution
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.
9 Troubleshooting
Alarm Name
Alarm Name
Alarm Name
Alarm
(H2- = 10)
YES
Alarm
(H2- = 10)
YES
Alarm
(H2- = 10)
YES
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