Carrier AppController OPN-APP, Installation And Startup Manual

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Troubleshooting
AppController CARRIER CORPORATION ©2019
Installation and Start-up Guide All rights reserved
20
If Run LED shows... And Error LED shows... Status is...
2 flashes per second On Exec halted after frequent system errors, due to:

Controller halted

Program memory corrupted

One or more programs stopped
5 flashes per second On Exec start-up aborted, Boot is running
5 flashes per second Off Firmware transfer in progress, Boot is running
7 flashes per second 7 flashes per second,
alternating with
Run LED
Ten second recovery period after brownout
14 flashes per second 14 flashes per second,
alternating with
Run LED
Brownout
On On Failure. Try the following solutions:

Turn the AppController off, then on.

Download memory to the AppController.

Replace the AppController.
NOTE If you resolve the issue but the Error LED does not turn off, cycle power to the controller.
Serial number
If you need the AppController's serial number when troubleshooting, the number is on a sticker on the back of the
main controller board.
To restore defaults
CAUTION This erases all archived information and user-configuration settings. You will have to reconfigure
all custom settings. It is recommended to restore the factory defaults only under the guidance of Carrier Control
Systems Support.
To erase volatile memory data and restore factory default configuration settings:
1
Turn off the AppController's power switch.
2
Put the Factory Defaults jumper on.
3
Turn on the AppController's power switch.
4
Remove the Factory Defaults jumper.