Troubleshooting; Typical Alarms And Faults - Eaton 9SX Series Installation And User Manual

7. Troubleshooting

The Eaton 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 specifi c message box. Example = Out. short circuit.
Use the following troubleshooting chart to determine the UPS alarm condition.
7.1

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
3. Scroll through the listed events or faults.
The following table describes typical conditions.
Conditions
Battery mode
LED is On.
1 beep every 10 seconds.
Battery low
LED is On.
1 beep every 3 seconds.
No battery
LED is On.
Beep continuous.
Battery fault
LED is On.
Beep continuous.
The UPS does not
provide the expected
backup time.
Bypass mode
LED is on.
Power overload
LED is On.
Beep continuous.
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button to select Event log or Fault log.
Possible cause
A utility failure has occurred and the
UPS is in Battery mode.
The UPS is in Battery mode and the
battery is running low.
The batteries are disconnected.
The battery test is failed due to bad or
disconnected batteries, or the battery
minimum voltage is reached in ABM
cycling mode.
The batteries need charging or service. Apply utility power for 48 hours to
An overload or a fault has occurred, or
a command has been received and the
UPS is in Bypass mode.
Power requirements
UPS capacity (greater than 100% of
nominal; see in table 6 on page 54 for
specific output overload ranges).
Action
The UPS is powering the equipment
with battery power. Prepare your
equipment for shutdown.
This warning is approximate, and the
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.
Verify that all batteries are properly
connected.
If the condition persists, contact your
service representative.
Verify that all batteries are properly
connected. Start a new battery test:
® if the condition persists, contact your
service representative.
charge the batteries. If the condition
persists,
representative.
Equipment
protected by the UPS.
Check for one of the following alarms:
overtemperature, overload or UPS
failure.
exceed the Remove some of the equipment from
the UPS.
The UPS continues to operate, but
may switch to Bypass mode or shut
down if the load increases.
The alarm resets when the condition
becomes inactive.
contact your service
is powered but not
614-20306-00 - 9SX 0-6 KVA EMEA_EN