Starting the DPU
Metso Automation
•
278705
•
4-3
Interpreting LED Status during Normal DPU Operation
maxNET NETWORK LEDs
LED Green
Yellow
Blinking
Yellow
Off
Network A
Or
Network B
Network A
Operational
Some Network Error
**
Network failure -
DPU does not hear
from any station
DPU not Operational
or LED Bad
** Each device (DPUs and Workstations) send messages that contain a list of all stations from which it is currently
receiving messages. If the DPU receives messages from a station that does not report receiving messages from it,
the DPU illuminates the Yellow LED. The problem may or may not be this DPU.
General Status LEDs
LED Green
Yellow
Red
Off
Backup
Network
Backup Network
Operational
Some Backup
Network Failures
Communications Not
Established to
Backup DPU
DPU not Operational
or LED Bad
IOM
Operational IOM
N/A
IOM Failed / Timed-
out
Reset Required
IOM not initialized
I/O
All configured I/O
cards are working
correctly
Some configured I/O
cards are working
correctly, some are
not
No configured I/O
cards are working
correctly
No I/O cards
configured in the
database or IOM
failure
CP
Blink Yellow/Green –
Healthy Heartbeat
Solid Green- CP
failure
Blink Yellow/Green –
Healthy Heartbeat
Solid Yellow
(<20sec)– Loading, or
saving the Database
Solid Yellow (>20sec)
– CP failure
Card Failure
Card Failure
State
See Below
See Below
See Below
DPU not Operational
or LED Bad
DPU STATE LED
DPU States
Active DPU State/LED
Inactive DPU State/LED
Standalone DPUs
Green Yellow
Backup Warming
Blinking Green/Red
Blinking Yellow/Red
Hot Backup
Blinking Green/Yellow
Blinking Yellow/Off
Backup Enabled No Backup
Available
Blinking Green/Off
N/A
Offline
Red Red
Booting
Off then Blinking Red
Off then Blinking Red
Summary of Contents for PDP 400 maxDPU4F Series
Page 1: ...Model PDP Series 400 maxDPU4F Hardware Guide 278705 Rev A3 ...
Page 16: ......