6
Console Troubleshooting
TLS-450PLUS Troubleshooting Guide
6-10
USB communication
not working
Cable(s) not properly plugged into
port on USB module.
Verify cables are plugged into moduled properly (ref.
Slot 5 in Figure 2-10).
Cable(s) not properly plugged into
connectors on CPU board.
Open Printer door. Verify that the Slot 5 USB module
cables are properly connected to the CPU board
USB connectors 3 and 4:
Probe Connected To
TLS-450PLUS But No
Probe Address Under
Devices Menu
Probe wires were connected while
the console was ON.
Re-boot console.
Probe wiring installed incorrectly.
1. Open the Display door.
2. Polarity is required for this device.
Locate the questionable probe’s input wiring con-
nections at the USM connector (Figure 2-7 on
page 2-7).
Verify the two wires are connected with white to +
terminal and black to – terminal.
3. Verify each of the wires is correctly seated in
each of the plug’s terminal clamps. If the clamps are
not opened all the way when inserting the wires into
the plug, the wires can be inserted behind the
clamps preventing proper contact:
Probe input in USM or bad probe.
Verify by connecting probe to a different input on the
USM module. See Section 9 (Probe Troubleshoot-
ing).
Bad USM module.
Replace USM module.
Table 6-2. TLS-450PLUS Troubleshooting
Symptom
Cause
Corrective Action
1
2
3
4
