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ComfortPoint
TM
Open System
EN1B-0498GE51 R0512
14
Troubleshooting the CPO-IO830A
Diagnostics and application debugging of the CPO-IO830A can be performed via the CPO-PC-6A using ComfortMan.
Furthermore, the CPO-IO830A also features a power LED and service LED which can likewise be used for troubleshooting
purposes.
Power LED
Table 11. Power LED of Mixed Panel Bus I/O module
Case Power LED
Meaning
Remedy
1
ON
Mixed Panel Bus I/O module is powered.
No action necessary.
2
OFF
No power.
►
Check power supply.
3
flashing continuously
If the Mixed Panel Bus I/O module’s service
LED is likewise flashing, the Mixed Panel Bus
I/O module is in the boot mode.
►
Wait until rebooting (firmware download) has
been completed.
Service LED
Table 12. Service LED of Mixed Panel Bus I/O module
Case service LED
Meaning
Remedy
1
LED remains OFF after
power-up
If the power LED is also OFF, then
– Defective device hardware.
– Possible power supply problems, clock
problems, defective processor.
►
Replace hardware.
2
LED is lit continuously after
first power-up
– Mixed Panel Bus I/O module has not yet
been configured by CPO-PC-6A.
– Boot loader is active.
– Failure during last firmware download.
– Checksum error.
►
Set the hex address to the position configured
during engineering.
►
Check the Panel Bus wiring:
- Check for cable breaks.
- Check for cable short-circuits.
- If using separate transformers: Check ground
connection.
►
Allow the CPO-PC-6A to configure the Mixed
Panel Bus I/O module.
►
Unplug and replug the module.
►
If problem persists, replace hardware.
3
Alternating flash between
service LED and power LED
Download error or application checksum error.
Boot loader is running.
►
Wait until rebooting (firmware download) has
been completed.
4
LED flashes at power up,
goes OFF, and then is lit
continuously
►
Download application..
5
LED repeatedly blinks ON for
1 sec and OFF for 1 sec
►
Set module to configured mode
6
LED remains OFF after a
short ON duration
I/O module is configured and running normally.
No action necessary.
7
LED flashes continuously in
following pattern: 4 x ON/OFF
followed by pause
Sensor failure of analog input module.
►
Check sensor or connection.
►
Check sensor configuration.
8
LED flashes continuously in
following pattern: 5 x ON/OFF
followed by pause
No action necessary.
9
LED flashes continuously in
following pattern: 6 x ON/OFF
followed by pause
Boot loader problem or hardware defect.
►
Replace hardware.
10
LED flashes continuously in
following pattern: 7 x ON/OFF
followed by pause
Communications failure.
►
Check bus wiring.
►
Check for incorrect HEX addresses (2 Panel Bus
I/O modules using same HEX address).
