YASKAWA MECHATROLINK-II V1000 - Page 25

7 Troubleshooting
YASKAWA ELECTRIC TOBP C730600 49A V1000 Option MECHATROLINK-II Installation Manual 25
LED Operator Display Fault Name
E5
SI-T Watchdog Timer Error
The watchdog has timed out.
Cause Possible Solution
Data has not been received from the
PLC, triggering the watchdog timer.
⇒ Execute DISCONNECT or ALM_CLR, then issue a CONNECT
command or SYNC_SET command and proceed to phase 3.
LED Operator Display Fault Name
EF0
External Fault Input from MECHATROLINK-II Option
The alarm function for an external device has been triggered.
Cause Possible Solution
An external fault is being sent from
the master controller (PLC).
⇒ Remove the cause of the external fault.
⇒ Reset the external fault input from the PLC device.
Problem with the PLC program
⇒ Check the program used by the PLC and make the appropriate
corrections.
LED Operator Display Fault Name
oFA00
MECHATROLINK-II Option Fault
MECHATROLINK-II Option is not properly connected.
Cause Possible Solution
Non-compatible option connected to
the drive
⇒ Connect an option that is compatible with the drive.
LED Operator Display Fault Name
oFA01
MECHATROLINK-II Option Fault
MECHATROLINK-II Option is not properly connected.
Cause Possible Solution
Problem with the connectors between
the drive and MECHATROLINK-II
Option
⇒ Turn the power off and check the connectors between the drive and
MECHATROLINK-II Option.