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Troubleshooting
Troubleshooting
If you have problems mounting, wiring, or addressing the controller or the Chilled Water System Optimizer, contact
Carrier Control Systems Support.
NOTE To help you troubleshoot, obtain a Module Status (Modstat) from the controller and review the System Error
and Warning details.
Controller LED's
The Module Status LED can display the following error codes.
Error
Code...
Indicates...
0
The control program or
driver has not been
downloaded.
1
A control program error
2
The controller's
memory is full
3
A setup error
4
A system error
8
Factory defaults are
being restored
Other LED's show the status of certain functions.
Chilled Water System Optimizer v2
Installation and Start-up Guide
Possible solutions
Download All Content to the controller.
Obtain a Module Status Report (Modstat) and look for error conditions. See
To get the controller's serial number below for instructions on obtaining a
Modstat.
If you cannot determine the error from the Modstat, contact Carrier Control
Systems Support.
In the i-Vu® interface, reduce the amount of trend data being stored in the
controller.
In SiteBuilder, reduce the amount of control programs.
Verify:
The address has been set on the rotary switches. See Addressing the
controller.
The address is unique on the network
DIP switches are set correctly
Obtain a Module Status Report (Modstat) and look for error messages. See
To get the controller's serial number below for instructions on obtaining a
Modstat.
If you cannot determine the error from the Modstat, contact Carrier Control
Systems Support.
The number 8 should display only during the short restoring period. If this
number displays continuously or flashes intermittently with another number,
try each of the following:
Turn the controller's power off, then on.
Format the controller. See Restore factory defaults (page 29) below.
Download the controller.
Replace the controller.
28
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