42
YASKAWA
SIEP C730600 86F MECHATROLINK-II Technical Manual
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Drive-Side Error Codes
Drive-side error codes are shown on the drive keypad. These tables list causes of the errors and possible solutions:
Refer to the drive Technical Manual for additional error codes that may appear on the drive keypad.
■
Faults
bUS [Option Communication Error]
,
E5 [MECHATROLINK Watchdog Timer Error]
, and
EF0 [Option Card
External Fault from the option]
can appear as an alarm or as a fault. When a fault occurs, the keypad ALM LED
stays lit. When an alarm occurs, the ALM LED flashes.
If communication stops while the drive is running, answer these questions to help fix the problem:
•
Did you correctly install the option?
•
Did you correctly connect the communication line to the option? Is it loose?
•
Is the PLC program working? Is the controller/PLC CPU stopped?
•
Did a momentary power loss interrupt communications?
Code
Name
Causes
Possible Solutions
bUS
Option Communication Error
The drive did not receive a signal from the
controller.
Faulty communications wiring
•
Check for wiring errors.
•
Correct the wiring.
An existing short circuit or communications
disconnection
Check disconnected cables and short circuits and repair as needed
A data error occurred due to electric interference
•
Prevent noise in the control circuit, main circuit, and ground
wiring.
•
If you identify a magnetic contactor as a source of noise,
install a surge absorber to the contactor coil.
•
Use only recommended cables or other shielded line. Ground
the shield on the controller side or the drive input power side.
•
Separate all communication wiring from drive power lines.
Install an EMC noise filter to the drive power supply input.
•
Counteract noise in the master controller (PLC).
Option is damaged
If there are no problems with the wiring and the error continues to
occur, replace the option.
Connection Time-out
•
The option Requested Packet Interval (RPI) timer timed out
•
Make sure that RPI time is set properly
Duplicate Station Address
Check if the option shares Station Address with at least one other
node. Check the setting values of
F6-20 [MECHATROLINK
Station Address]
.
E5
MECHATROLINK Watchdog
Timer Error
The drive detected a watchdog circuit exception
while it received data from the controller.
Check the MECHATROLINK cable connection. Check for wiring
and how to counteract noise according to the following manuals
by MECHATROLINK Members Association.
•
MECHATROLINK-II Installation Guide, MMATDEP011
EF0
Option Card External Fault
An external fault was received from the PLC.
1.
Remove the cause of the external fault
2.
Reset the external fault input from the PLC
A programming error occurred on the controller
side.
Check the PLC program.
PLC is in the Idle Mode.
1. Set the PLC to the Run Mode. 2. Set the parameter F6-54 = 0
(Enabled) to ignore errors while the PLC is in the Idle Mode.
oFA00
Option Card Connection Error
(CN5-A)
The option card installed into port CN5-A is not
compatible with the drive.
Connect the option to the correct option port.
•
Note: Use connector CN5-B when connecting DO-A3, AO-
A3, or two PG options. Use connector CN5-C when
connecting only one PG option.
To use other options, refer to those option manuals.
oFA01
Option Card Fault (CN5-A)
The option connected to option port CN5-A was
changed during run.
1.
De-energize the drive.
2.
Connect the option to the correct option port.
oFA03, oFA04
Option Card Error (CN5-A)
A fault occurred in the option.
1.
De-energize the drive.
2.
Make sure that the option is correctly connected to the
connector.
3.
If the problem continues, replace the option.
oFA30 to
oFA43
Option Card Connection Error
(CN5-A)
A fault occurred in the option.
1.
De-energize the drive.
2.
Make sure that the option is correctly connected to the
connector.
3.
If the problem continues, replace the option.
oFb00
Option Not Compatible with Port
The option card installed into port CN5-B is not
compatible with the drive.
Connect the option to the correct option port.
•
Use connector CN5-B when you connect DO-A3, AO-A3, or
two PG options. Use connector CN5-C when you connect only
one PG option.
To use other options, refer to those option manuals.
