Carrier EnergyX 48HC Supplemental Installation Instructions page 53

Troubleshooting
If you have problems wiring or addressing the I/O Flex
6126, contact OEMCtrl Technical Support.
Communication LED's
The LED's indicate if the I/O Flex 6126 controller is
speaking to the devices on the network. The LED's should
reflect communication traffic based on the baud rate set. The
higher the baud rate the more solid the LED's become.
LED
Rx
Tx
Run
Error
The Run and Error LED's indicate controller and network status.
If Run LED shows...
1 flash per second
2 flashes per second
2 flashes per second
2 flashes per second
2 flashes per second
2 flashes per second
2 flashes per second
5 flashes per second
5 flashes per second
7 flashes per second
14 flashes per second
On
Serial Number
If you need the I/O Flex 6126's serial number when
troubleshooting, the number is on :
S a sticker on the back of the I/O Flex controller board
S a Module Status report (modstat) from WebCTRL
Status
Lights when power is being supplied to the controller.
NOTE: The I/O Flex 6126 is protected by internal solid state Polyswitches on the
incoming power and network connections. These Polyswitches are not replaceable
and will reset themselves if the condition that caused the fault returns to normal.
Lights when the controller receives data from the network segment; there is a Rx
LED for Ports 1 and 2.
Lights when the controller transmits data to the network segment; there is a Tx
LED for Ports 1 and 2.
Lights based on the controllers health. See table below.
Lights based on the controllers health. See table below.
And Error LED shows...
1 flash per second, alternating
with the Run LED
Off
2 flashes,
alternating with Run LED
3 flashes,
then off
On
1 flash per second
On
On
Off
7 flashes per second, alternating
with Run LED
14 flashes per second, alternating
with Run LED
On
Status is...
The controller files are archiving. Archive
is complete when Error LED stops
flashing
Normal
Five minute auto--- restart delay after
system error
The controller has just been formatted
Two or more devices on this network
have the same MS/TP network address
The controller is alone on the network
Exec halted after frequent system errors,
due to:
• Controller halted
• Program memory corrupted
• Address conflicts --- duplicate MS/TP
MAC addresses
• One or more programs stopped
Exec start--- up aborted, Boot is running
Firmware transfer in progress, Boot is
running
Ten second recovery period after
brownout
Brownout
Failure, Try the following solutions:
• Turn the I/O Flex 6126 off, then on.
• Download memory to the I/O Flex 6126.
• Replace the I/O Flex 6126.
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