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If Run LED shows...
On
To get the serial number
If you need the VVT Bypass Controller's serial number when troubleshooting, the number is on:
•
a sticker on the back of the main controller board
•
a Module Status report (Modstat) under Core (or Main) board hardware
To obtain a modstat in the WebCTRL® interface:
1
Select the VVT Bypass Controller in the navigation tree.
2
Right-click and select Module Status.
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:
1
Pull the screw terminal connector from the controller's power terminals labeled Gnd and 24 Vac. Make
sure the address switches are not set to 0, 0.
2
Short the Factory Default Short pins jumper's pins and maintain the short for steps 3 and 4.
3
Insert the power screw terminal connector into the VVT Bypass Controller's power terminals.
4
Continue to short the jumper until the Error LED flashes three times in sync with the Run LED.
5
Remove the short.
VVT Bypass Controller
Installation and Start-up Guide
And Error LED shows...
On
Carrier Proprietary and Confidential
25
Status is...
Failure. Try the following solutions:
•
Turn the VVT Bypass Controller off, then on.
•
Format the VVT Bypass Controller.
•
Download memory to the VVT Bypass
Controller.
•
Replace the VVT Bypass Controller.
CARRIER CORPORATION ©2017
Troubleshooting
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