ViewStation EX, ViewStation FX Administrator's Guide VS4000
Chapter 7 - Diagnostics and General Troubleshooting
© Polycom, Inc. 7-13
The system does not 
respond to the 
remote control. 
All No batteries in the remote 
control.
Install batteries in the remote control.
The batteries are installed 
incorrectly in the remote 
control.
Insert the batteries in the correct +/- 
position.
The infrared sensor is not 
receiving signals from the 
remote control.
Make sure you are pointing the remote 
control at an infrared sensor. These are 
present on the front of the VS4000 and 
on the front of the PowerCam camera. 
You may also have an external infrared 
sensor installed.
Make sure the transparent protective 
strips have been removed from the 
infrared sensors. 
If you are using an external infrared 
sensor, check the connections between 
the rear panel, cable adapter, and 
cable.
The external infrared sensor is 
not operating properly.
Check the connections between the 
rear panel, cable adapter, and infrared 
sensor cable.
The room lights operate in the 
38 Khz range and interfere 
with the remote control 
signals.
Turn off the lights in the room and try 
the remote control again.
Symptom System Cause Solution










