User manual

8
. Troubleshooting
The Eaton 9PX and 9SX are designed for durable, automatic operation and also alert you whenever potential
operating problems may occur
.
Usually the alarms shown by the control panel do not mean that the output
power is affected
.
Instead, they are preventive alarms intended to alert the user.
Events are silent status information that are recorded into the Event log. Example = "AC freq in
range".

Alarms are recorded into the Event log and displayed on the LCD status screen with the logo blinking.
Some alarms may be announced by a beep every 3 seconds
.
Example = "Battery low".

Faults are announced by a continuous beep and red LED, recorded into the Fault log and displayed on
the LCD with a specific message box
.
Example = Out
.
short circuit.
Use the following troubleshooting chart to determine the UPS alarm condition.
8.1
Typical alarms and faults
To check the Event log or Fault log :
1.
Press any button on the front panel display to activate the menu options.
2
. Press the
button to select Event log or Fault log.
3
.
Scroll through the listed events or faults.
The following table describes typical conditions.
Conditions
Possible cause
Action
Battery mode
A utility failure has occurred and
The UPS is powering the equipment
the UPS is in Battery mode
.
with battery power
.
Prepare your
equipment for shutdown.
The UPS is in Battery mode and
This warning is approximate, and the
the battery is running low
.
actual time to shutdown may vary
significantly
.
Depending on the UPS load and
number of Extended Battery Modules
(EBMs), the "Battery Low" warning
may occur before the batteries reach
20% capacity.
No battery
The batteries are disconnected
.
Verify that all batteries are properly
connected
.
If the condition persists, contact your
service representative.
LED is On.
Beep continuous.
Battery fault
The battery test is failed due to
Verify that all batteries are properly
bad or disconnected batteries,
connected
.
Start a new battery test:
or the battery minimum voltage is
if the condition persists, contact your
reached in ABM cycling mode
.
service representative.
Apply utility power for 48 hours to
charge the batteries
.
If the condition
persists, contact your service
representative.
Equipment is powered but not
protected by the UPS.
Check for one of the following alarms:
overtemperature, overload or UPS
failure.
Page 37
LED is On
.
1 beep every 10 seconds.
Battery low
LED is On.
1 beep every 3 seconds.
LED is On.
Beep continuous.
The UPS does not
The batteries need charging or
provide the expected
service.
backup time.
Bypass mode
An overload or a fault has
occurred, or a command has been
received and the UPS is in Bypass
mode
LED is on.
5-6kVA EU_EN