Product specifications
DriveBus Interface - CI858 Section 5 Maintenance
220 3BSE036351-510 A
Dbus;Tx1 LED is OFF The unit is not properly configured or unit error.
• Check the CB for a failure message.
• If there is no failure message replace the
CI858 unit.
I/O;Rx1 LED is ON (not
flashing)
The unit is not receiving data.
• Check all cables and connections.
• If there is no failure message replace the
CI858 unit.
I/O;Rx1 LED is OFF No signals are sent to the unit or unit error.
• Check all cables and connections.
• Replace the CI858 unit.
I/O;Tx1 LED is ON (not
flashing)
The unit is not transmitting data.
• Check the CB for a failure message.
• If there is no failure message in the CB
replace the CI858 unit.
I/O;Tx1 LED is OFF The unit is not properly configured or unit error.
• Check the CB for a failure message.
• If there is no failure message replace the
CI858 unit.
CI858 supports hot swap.
Table 38. DriveBus CI858 – Fault-Finding (Continued)
Fault Possible Cause and Corrective Action