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.
