YASKAWA SI-EP3 Installation Manual page 16

4 Option Components
The operational states of the option LEDs after the power-up diagnostic LED sequence is
completed are described in
of pulses of 250 ms on, 250 ms off cycles, followed by 500 ms off, then repeating the cycle.
Wait at least 2 seconds for the power-up diagnostic process to complete before verifying
LED states.
Name
Color
Green
Green
Green
Red
MS
(visible through
drive cover)
Red
Red
Red
Red
Green/Red
Green
Green
Red
NS
Red
(visible through
drive cover)
Red
Red
16
Table 4. The states with a number in parenthesis are the number
Table 4 Option LED States
Indication
Status
– OFF
ON
Flashing (1)
Flashing (2)
ON
Flashing (1)
Flashing (2)
Flashing (3)
Flashing (4)
Flashing
– OFF
ON
Flashing
ON
Flashing (1)
Flashing (2)
Flashing (3)
YASKAWA ELECTRIC TOBP C730600 89D YASKAWA AC Drive Option SI-EP3 Installation Manual
Operating Status
Power supply OFF
Option operating
Diagnostics
Configuration tool
Default MAC or fatal error
occurred.
Invalid Station Name
programmed
No IP (non-fatal)
No station name (non-fatal)
Init failure (non-fatal)
Option self-test
Offline or Power supply OFF
Connected
Connected and stopped
BUS fault
Lost communication
Lost link
IP address settings bad
Description
Power is not being supplied to the
drive.
The option is operating normally
and initialization is complete.
Diagnostic data available.
Identified by a configuration tool.
Default MAC address has been
programmed or the option has
detected an unrecoverable error.
Invalid Station name
programmed into device. It must
be rewritten with a valid name
from PLC software or webpage.
No IP address assigned.
No station name assigned.
Failed to initialize module.
The option is in self-test mode.
–
Connection established with I/O
controller and in RUN mode.
Connection established with I/O
controller and in STOP mode.
Unrecoverable BUS fault.
Host communication is
temporarily lost.
No link detected to network.
Use the operator or Drive Wizard
to check and change F7
parameters, then cycle power.
You can also set the PLC to
assign the IP address, which will
auto-clear the fault.