7 Troubleshooting
YASKAWA ELECTRIC
TOBP C730600 63C V1000 Option SI-ET3/V Installation Manual
35
n
Minor Faults and Alarms
Keypad Display
Fault Name
oFA01
Option Card Fault
Option is not properly connected.
Cause
Possible Solution
Problem with the connectors between
the drive and option
De-energize the drive and plug the option into the drive according to
Installation Procedure on page 16
Keypad Display
Fault Name
to
oFA30 to oFA43
Option Card Fault
Communication ID error.
Cause
Possible Solution
The option card connection to port
CN5-A is faulty.
1. Turn off the power.
2. Check if the option is properly plugged into the option port.
3. Replace the option if the fault continues to occur.
Keypad Display
Minor Fault Name
CALL
Serial communication transmission error
Communication is not established.
Cause
Possible Solution
Minor Fault
(H2-
= 10)
Communication wiring is faulty.
• Check for wiring errors.
• Correct the wiring.
YES
An existing short circuit or
communications disconnection
Check disconnected cables and short circuits and
repair as needed.
Programming error on the master
side.
Check communications at start-up and correct
programming errors.
Communication 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 of the
MEMOBUS/Modbus
communications is not enabled.
Set DIP switch S2 to the ON position to enable the
termination resistor on a drive located at the end of a
network line.
GEM_M-III_IM_E_conditional.fm 35 ページ ２０１７年７月１３日 木曜日 午前１０時２４分
