Polycom ViewStation EX Administrator's Manual page 134

Administrator's Guide for ViewStation EX, ViewStation FX, and VS4000
Symptom
The system does not
respond in any way.
The system starts in
the Software Update
screen.
The system restarts
repeatedly.
7-12
System Cause
VS4000 The power fuses have failed.
The system is not connected
to a power source.
All The system software is
corrupted or not loaded
properly.
All The power supply is bad.
The socket is corroded.
Solution
Replace the fuses. Use only 4A/250V
slow-blow 5 x 20 mm fuses.
Caution: Using any other type of
fuse will void the equipment
warranty.
If fuses fail repeatedly, call Polycom
Technical Support and arrange to
return the system for service.
Make sure that the system's power cord
is in place, and that it is connected to a
power outlet.
Load the system software from your
PC, or for ISDN-only systems, use
another system with current software to
update this system. For instructions on
how to do this, refer to Keeping your
Software Current on page 3-28
consult your network equipment
provider.
Return the system for service.
Unplug and reseat the power plug 5
times.
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