Troubleshooting Inputs And Outputs - Carrier TruVu VVTBP-E2 Installation And Startup Manual

Troubleshooting inputs and outputs

The i-Vu® interface shows if you have I/O errors resulting from a misconfigured microblock.
To check for errors:
In the i-Vu® navigation tree, select the equipment controlled by the TV-VVTBP-E2.
1
On the Properties page, select the I/O Points tab.
2
Click the Name of any input or output whose name is red (indicates an error) to open its dialog box.
3
On the Details tab, scroll down to see the Reliability field under BACnet Configuration.
4
Anything other than No Fault Detected indicates an error. See the table below to determine the error and
5
possible actions to take.
Reliability
description
Configuration
Error
Over Range
No Sensor
Shorted Loop
TruVu™ VVTBP-E2
Installation and Start-up Guide
Possible error
•
The microblock's I/O Type and
Sensor/Actuator Type are not
compatible.
•
The output's DIP switch setting does
not match the connected device.
•
Invalid expander address or I/O
number.
•
Input exceeds the Min/Max limits.
•
No device is attached to the output.
•
Internal voltage feedback does not
correspond with commanded value.
Verify that...
•
The I/O Type and Sensor/Actuator Type
combination is valid for the I/O number
and microblock type.
•
The DIP switch setting is appropriate for
the output and microblock type.
•
The expander is present and functional at
the address shown in the i-Vu® interface
and that I/O number is valid.
•
The input is within the Min/Max limits.
•
The device is present and functioning.
•
The load on the output is within the valid
range.
•
A voltage/current source has not been
connected to an output.
71
Troubleshooting
©2022 Carrier.
All rights reserved.