104 | XIO USER MANUAL | 2106424MNAB
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6 Basic troubleshooting
The following sections describe issues that may arise during basic installation. For support, call the ABB
main office number on the last page of this manual.
Before calling:
– Take note of the model and serial number. The serial number is on a label affixed to the bottom of
the unit.
– Prepare a detailed description of the problem for the Technical Support representative.
– Prepare a written description of the problem.
– Take note of any alarms or messages as they appear.
– Know the software version and optional part numbers.
For additional details on the XIO Interface, Ethernet-Serial Passthrough or IO
, see links to application guides listed in Additional information.
6.1 RMC unable to detect or communicate with the XIO
The XIO advertises its services (XIO server or Ethernet-Serial Passthrough) on its network connection.
Proper connections, and the correct configuration of every device on that network, ensure that the RMC
detects the advertised services for each XIO and receives measurement data. The inability of the RMC to
detect or communicate with the XIO can be due to many reasons. Communication failure can be
determined from the RMC in different screens.
– Connectivity failure at initial setup prevents detection of the XIO when trying to activate and
configure the XIO Interface application. The figure below shows no XIO in the Remote Service list.
The Rescan function triggers the discovery of undetected XIOs. In single or multi-XIO installations:
• If some XIOs display, but not others, verify the connection or configuration of the missing
XIOs. Click Rescan and verify if the RMC detects new XIOs.
• If no XIOs display at all, verify the RMC connection and configuration.
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