
Model PDP Series 200 maxDPU4E Hardware Guide
• Database save and recovery
• During installation of new software image in flash memory
• When an error condition is detected
The following two tables list LED colors states during a DPU boot and
during normal operation, respectively.
Interpreting LED Status While DPU Is Booting Windows CE
LED Green Yellow Red Off
Network A
N/A N/A Out of range CE
record is detected
during load
Current CE records
are working correctly
Network B
CE starting to load N/A N/A N/A
Network Backup N/A N/A Checksum error is
encountered in the
Code Flash
The Code Flash
Checksum is correct
Serial Port 1
Ready for Serial
Download
N/A N/A Not Ready for Serial
Download
Serial Port 2
N/A N/A N/A N/A
DI
Blinking –
IOM Loading
See Note
Blinking –
IOM Loading
See Note
All IOM LEDs Solid
Yellow – Still
Loading
Blinking –
IOM Loading
See Note
If LED never blinks,
IOM not functioning
AO/DO
Blinking –
IOM Loading
See Note
Blinking –
IOM Loading
See Note
Blinking –
IOM Loading
See Note
If LED never blinks,
IOM not functioning
AI
Blinking –
IOM Loading
See Note
Blinking –
IOM Loading
See Note
Blinking –
IOM Loading
See Note
If LED never blinks,
IOM not functioning
(not labeled)
Blinking –
IOM Loading
See Note
Blinking –
IOM Loading
See Note
Blinking –
IOM Loading
See Note
If LED never blinks,
IOM not functioning
Battery
CE Image Being
Launched
N/A N/A N/A
CP
N/A Ready to accept
Serial Download
Problem Reading
CE Flash
N/A
IOM
Ready to
communicate with
CP
N/A Initializing IOM
Not Currently
Operational
N/A
State
N/A N/A N/A N/A
NOTE: DI, DO, AI/Per IO and Prog IO all blink the same colors at the same time upon startup. If they display different
colors, they are flashing an IOM Error Code.
Metso Automation MAX Controls Inc. • 278590 •
4-2
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