To Get The Serial Number; To Replace The Rtu Open's Battery - Carrier RTU Open v3 Installation And Startup Manual

Troubleshooting

To get the serial number

If you need the RTU Open's serial number when troubleshooting, the number is on:
•
A laser-etched number and QR code on the inside circuit board
•
a sticker on the back of the main controller board (prior to 2019)
•
a Module Status report (Modstat) under Core (or Main) board hardware
To obtain a modstat in the i-Vu® interface:
1
Select the RTU Open in the navigation tree.
2
Right-click and select Module Status.

To replace the RTU Open's battery

To determine when to replace the battery, remove power and measure the voltage. If the voltage is below 2.9
volts, you need to replace the battery.
CAUTION Power must be ON to the RTU Open when replacing the battery, or your date, time, and trend data
will be lost.
1
Remove the battery from the controller, making note of the battery's polarity.
2
Insert the new battery, matching the battery's polarity with the polarity indicated on the RTU Open.
RTU Open v3
Installation and Start-up Guide
60
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