AMAX-4817/4820 Startup Manual 3
LEDs
Power Indicator
Indicator State
System State
Description
Off
Power off
The system is not on/
power is off.
On
Power on
The system is on/
power is on.
Run Indicator
Indicator State
SubDevice
State
Condition
Off
Initialization
The device is in the
Initialization state.
Blinking
Pre-Opera-
tional
The device is in the
Pre-Operational state.
Single flash
Safe Opera-
tional
The device is in the
Safe Operational
state.
On
Operational
The device is in the
Operational state.
Flickering
Bootstrap
The device is booting
and has not yet en-
tered the Initialization
state/the device is in
the Bootstrap state/
a firmware download
is in progress.
Error Indicator
Indicator State
Error Name
Description
Off
No error
The device is in work-
ing condition.
Blinking
Invalid configu
-
ration
General configuration
error.
Single flash
Local error
A SubDevice device
application has
changed the EtherCAT
state autonomously
due to local error/
the error indicator bit
is set to 1 in the AL
Status register.
Double flash
Watchdog
timeout
An application
watchdog timeout has
occurred.
Link Indicator (on RJ-45)
Indicator State Link Activity
Description
On
Yes
No
Port open/connected
Flickering
Yes
Yes
Port open/connected
Off
No
Not
applicable
Port closed/discon-
nected
Dimensions
