YASKAWA SI-EP3

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