Troubleshooting - Eaton 3S850 Advanced User's Manual

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
The battery backup outlets
are not supplied with power.
The connected devices are not
supplied when AC power fails.
AC power is available, but
the UPS operates on battery
power.
The filtered outlets and
1
are not supplied.
Green LED flashes every 1
3
second and audio alarm beeps
every 5 seconds.
Green LED flashes every 1
3
second and audio alarm beeps
every 1 second.
Red LED is on and the audio
3
alarm beeps continuous.
The telephone line is disturbed
or modem access is not
possible.
Surge protection LED
OFF .
USB communication fails.
USB charger ports are not
10
supplied.
614-09405-01 - 3S EMEA_EN
Possible cause
ON/OFF Button is not pressed.
2 9
The devices are not connected to the
battery backup outlets
Circuit breaker has been tripped by an
4
overload on the UPS output.
The wall outlet is not supplied.
2
Circuit breaker has been tripped by an
4
overload on the UPS output.
The UPS frequently operates on battery
power because the AC power source is of
poor quality.
The UPS battery backup outlets
overloaded.
A fault has occurred on the UPS. The
battery backup outlets
supplied.
Surge protection on the telephone line is
no longer provided.
is
6
Cable connection may be defective.
The battery voltage is too low.
Action
Press ON/OFF button
and check that LED
Connect the devices to the battery backup
. outlets
2
Disconnect excess equipment and reset
the circuit breaker
corresponding button.
Supply power from the wall outlet.
Disconnect excess equipment and reset
the circuit breaker
corresponding button.
Have the electrical installation checked
by a professional or use another wall
outlet.
Disconnect excess equipment connected
are
2
to the battery backup outlets.
Contact Eaton service and support.
are no longer
2
Disconnect the telephone line from the
wall outlet.
Contact Eaton service and support.
Re-connect the USB cable
not available Contact Eaton service and
support.
Recharge the battery, if still not available
contact Eaton service and support.

6. Troubleshooting

for 1.5 seconds
9
turns to green.
3
.
2
by pressing the
4
by pressing the
4
, if still
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