Troubleshooting; Led's - Carrier Zone Ctrl II Installation And Startup Manual

Troubleshooting

Troubleshooting
If you have problems mounting, wiring, or addressing the Zone Ctrl II, contact Carrier Control Systems Support.

LED's

The LED's on the Zone Ctrl II show the status of certain functions.
If this LED is on...
Pwr
RX
TX
Run
Err
BO1
BO2
BO3
CW
CCW
The Run and Error LED's indicate controller and network status.
If Run LED shows...
2 flashes per second
2 flashes per second
2 flashes per second
2 flashes per second
2 flashes per second
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide
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Status is...
The Zone Ctrl II has power.
The Zone Ctrl II is receiving data from the network segment
The Zone Ctrl II is transmitting data over the network segment
See table below.
See table below.
The binary output is active
The binary output is active
The binary output is active
The actuator motor is turning clockwise
The actuator motor is turning counterclockwise
And Error LED shows...
Off
2 flashes,
alternating with Run LED
3 flashes,
then off
4 flashes,
then pause
1 flash per second
42
Status is...
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 ARC156 network address
The controller is alone on the network
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