Motorola F5207A - Manual (Page 60)

60 MW800 CPU Owner’s Manual
Communication LED is steady yellow CPU box fails to communicate with display. Check the
plugs and CPU cable.
Communication LED is steady purple CPU box to display USB power and communication
problem. Check the plugs and CPU cable.
Link LED is yellow & green NO valid input signal from CPU box. Check the plugs
and CPU cable.
The following table describes CPU failures without a user notification.
Table 8. Failures Without Notification
Problem Do the following
Cannot turn the device off, the system
does not respond Turn off the device by pressing and holding the power
button for 6 seconds or more. Use either CPU or display
power buttons.
If the device is still not responding, turn off and on the
main power switch on the rear side of the CPU unit.