Drive-Side Error Codes; Faults - YASKAWA MECHATROLINK-II SI-T3 Technical Manual

9 Troubleshooting
◆

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
bUS Option Communication Error
MECHATROLINK Watchdog
E5
Timer Error
EF0 Option Card External Fault
Option Card Connection Error
oFA00
(CN5-A)
oFA01 Option Card Fault (CN5-A)
oFA03, oFA04 Option Card Error (CN5-A)
oFA30 to Option Card Connection Error
oFA43 (CN5-A)
oFb00 Option Not Compatible with Port
42
Causes
The drive did not receive a signal from the
controller.
Faulty communications wiring
An existing short circuit or communications
disconnection
A data error occurred due to electric interference
Option is damaged
Connection Time-out
Duplicate Station Address
The drive detected a watchdog circuit exception
while it received data from the controller.
An external fault was received from the PLC.
A programming error occurred on the controller
side.
PLC is in the Idle Mode.
The option card installed into port CN5-A is not
compatible with the drive.
The option connected to option port CN5-A was
changed during run.
A fault occurred in the option.
A fault occurred in the option.
The option card installed into port CN5-B is not
compatible with the drive.
Possible Solutions
• Check for wiring errors.
• Correct the wiring.
Check disconnected cables and short circuits and repair as needed
• 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).
If there are no problems with the wiring and the error continues to
occur, replace the option.
• The option Requested Packet Interval (RPI) timer timed out
• Make sure that RPI time is set properly
Check if the option shares Station Address with at least one other
node. Check the setting values of F6-20 [MECHATROLINK
Station Address].
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
1. Remove the cause of the external fault
2. Reset the external fault input from the PLC
Check the PLC program.
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.
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.
1. De-energize the drive.
2. Connect the option to the correct option port.
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.
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.
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.
YASKAWA SIEP C730600 86F MECHATROLINK-II Technical Manual