No System Power; Table 4-2: No System Power Checklist - PictureTel Concorde 4500 Servicing Manual

No System Power

If you have these
symptoms...
The green LED on the power
supply is not lit.
The fans are not rotating.
No board LEDs are lit.
The following table summarizes the corrective actions that you can
follow if your system appears not to have power.

Table 4-2: No System Power Checklist

1. Make sure that power is available to the facility and that the
circuit breakers supplying power to the system are not
tripped.
2. Make sure that the system power cable is plugged securely
into the wall outlet and into the electronics module.
3. Make sure that the line conditioner or noise suppressor
outlet is turned on, if your system plugs into one instead of
into a wall outlet.
4. Make sure that the main power switch is pressed to 1 (on).
If your Concorde¥4500 system is installed in the
WorldCart, make sure that the electronics module and
WorldCart power switches are pressed to 1 (on).
Basic Troubleshooting Procedures
Do this...
4-7