To Get The Serial Number; To Restore Factory Defaults - Carrier VAV Zone II Installation And Startup Manual

Troubleshooting
If Run LED shows...
5 flashes per second
7 flashes per second
14 flashes per second
On
NOTE If you resolve the issue but the Error LED does not turn off, cycle power to the controller.

To get the serial number

If you need the VAV Zone II's serial number when troubleshooting, the number is on a Module Status report
(Modstat) under Core (or Main) board hardware
To obtain a modstat in the i-Vu® interface:
Select the VAV Zone II in the navigation tree.
1
Right-click and select Module Status.
2

To restore factory 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:
Pull the screw terminal connector from the controller's power terminals labeled Gnd and 24 Vac. Make sure
1
the address switches are not set to 0, 0.
VAV Zone II Controllers
Installation and Start-up Guide
And Error LED shows...
Off
7 flashes per second,
alternating with Run LED
14 flashes per second,
alternating with Run LED
On
66
Status is...
Firmware transfer in progress, Boot is running
Ten second recovery period after brownout
Brownout
Failure. Try the following solutions:

Turn the VAV Zone II off, then on.

Download memory to the VAV Zone II.

Replace the VAV Zone II.
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