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6. Troubleshooting
The Eaton 3S is designed for durable, automatic operation and alerts you whenever potential operating problem may
occur.
The following table describes typical conditions:
Problem
Possible cause
Action
The battery backup outlets
2
are not supplied with power.
ON/OFF Button
9
is not pressed.
Press ON/OFF button
9
for 1.5 seconds
and check that LED
3
turns to green.
The connected devices are not
supplied when AC power fails.
The devices are not connected to the
battery backup outlets
2
.
Connect the devices to the battery backup
outlets
2
.
AC power is available, but
the UPS operates on battery
power.
Circuit breaker
4
has been tripped by an
overload on the UPS output.
Disconnect excess equipment and reset
the circuit breaker
4
by pressing the
corresponding button.
The filtered outlets
1
and
2
are not supplied.
The wall outlet is not supplied.
Circuit breaker
4
has been tripped by an
overload on the UPS output.
Supply power from the wall outlet.
Disconnect excess equipment and reset
the circuit breaker
4
by pressing the
corresponding button.
Green LED
3
flashes every 1
second and audio alarm beeps
every 5 seconds.
The UPS frequently operates on battery
power because the AC power source is of
poor quality.
Have the electrical installation checked
by a professional or use another wall
outlet.
Green LED
3
flashes every 1
second and audio alarm beeps
every 1 second.
The UPS battery backup outlets
2
are
overloaded.
Disconnect excess equipment connected
to the battery backup outlets.
Red LED
3
is on and the audio
alarm beeps continuous.
A fault has occurred on the UPS. The
battery backup outlets
2
are no longer
supplied.
Contact Eaton service and support.
The telephone line is disturbed
or modem access is not
possible.
Surge protection LED
6
is
OFF.
Surge protection on the telephone line is
no longer provided.
Disconnect the telephone line from the
wall outlet.
Contact Eaton service and support.
USB communication fails.
Cable connection may be defective.
Re-connect the USB cable
14
, if still
not available Contact Eaton service and
support.
USB charger ports
10
are not
supplied.
The battery voltage is too low.
Recharge the battery, if still not available
contact Eaton service and support.
614-09405-0
1
- 3S EMEA_EN
