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4
Troubleshooting
PROBLEM REASON ITEMS TO CHECK
Your Circuit Breaker
ON/OFF switch
trips.
The surge protector is
overloaded.
•
Unplug some equipment. Wait
one minute while surge protector
cools, then push the circuit
breaker or ON/OFF switch to reset.
The green “Line
OK” LED does not
illuminate.
Your equipment is not
fully protected against
surges or there is a
wiring fault in your
wall outlet.
• Make sure power is available at
the wall outlet.
• Make sure the power switch is
on and illuminating.
• Make sure the surge protector is
completely plugged in.
• Check for any wiring faults at the
wall outlet.
The red “Fault” LED
illuminates when
you first plug in
your Isobar.
There is a wiring fault
in your wall outlet
(improper site wiring,
ground is missing,
etc.).
• Have a qualified electrician check
the site wiring.
• Check if the wall outlet is loose
or improperly wired.
Note: The “Fault” LED may not identify
every possible type of fault.
The red “Fault”
LED illuminates
after continued
use of your surge
protector.
The surge protector
may have been
damaged by a surge.
• Have a qualified electrician
examine your outlet to determine
if a fault has developed. If no
fault exists, contact Tripp Lite for
service.
The green
“Protection
Present” LED does
not illuminate.
The surge protector
may have been
damaged by a surge.
•
If the “Fault” LED is also
illuminated, have a qualified
electrician check the site wiring. If
the “Fault” LED is not illuminated,
contact Tripp Lite for service.
Equipment plugged
into the surge
protector exhibits
audio static or
video “snow.”
Some equipment
may be generating
electrical interference.
• Plug your equipment into outlets
not directly across from each
other and plug equipment with
heavy power draws (such as
printers) into outlets away from
monitors and AV equipment.
No charging from
USB ports.
Breaker ON/OFF
switch tripped.
•
Unplug some equipment. Wait
one minute while surge protector
cools, then push the circuit
breaker or ON/OFF switch to reset.
18-07-040-933838-EN.indd 4 7/5/2018 4:59:28 PM
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