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C C h h a a p p t t e e r r 7 7 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g
OPERATION
The Eaton 9355 UPS is designed for durable, automatic operation and also alerts 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. Use the following
troubleshooting chart to determine the UPS alarm condition.
OPERATION
OPERATION
7 7 . . 1 1
T T y y p p i i c c a a l l A A l l a a r r m m s s a a n n d d C C o o n n d d i i t t i i o o n n s s
Indicator
The following table describes typical alarms and conditions; check the Event Log through the control panel for a
list of active alarms. If an alarm appears with a service code, please contact the Help Desk (see
1.5 Getting
Green
OPERATION
Alarm or Condition
Indicator
Indicator
On Battery
Green
Green
LED is on.
Yellow
OPERATION
1 beep every second.
Indicator
Battery Low
Yellow
Green
Yellow
LED is on.
Yellow
Continous beep for 10
Red
Indicator
seconds.
Yellow
Yellow
Battery Breaker
Green
Yellow
LED is on.
Red
Red
1 beep every second.
Yellow
Overload
Yellow
Red
LED is on.
1 beep every second.
Yellow
Overtemperature
LED is on.
Red
1 beep every second.
Battery test failed
The UPS does not start.
56
56
56
The following table shows the indicator status and description.
Status
Description
On
The UPS is operating normally.
Help).
Flashing
S The UPS is starting up or is shut down and waiting for power to return.
The following table shows the indicator status and description.
The following table shows the indicator status and description.
S A new information message is active.
S Bypass is not available.
Status
Possible Cause
Description
Status
Description
Off
The UPS is turned off and will not turn on automatically.
A utility failure has occurred and the UPS
On
The UPS is operating normally.
On
The UPS is operating normally.
is in Battery mode.
On
The UPS is in Battery mode.
Flashing
S The UPS is starting up or is shut down and waiting for power to return.
S The UPS is starting up or is shut down and waiting for power to return.
Flashing
The following table shows the indicator status and description.
S A new information message is active.
S A new information message is active.
S Bypass is not available.
S Bypass is not available.
Status
Description
On
The UPS is in Bypass mode.
Off
The UPS is turned off and will not turn on automatically.
Off
The UPS is turned off and will not turn on automatically.
The battery is running low.
On
The UPS is operating normally.
On
The UPS is in Battery mode.
On
The UPS is in Battery mode.
Flashing
S The UPS is starting up or is shut down and waiting for power to return.
On
The UPS has an active alarm.
The following table shows the indicator status and description.
S A new information message is active.
Flashing
There is a new UPS alarm condition. See "Troubleshooting" on page 67 for
S Bypass is not available.
On
The UPS is in Bypass mode.
On
The UPS is in Bypass mode.
additional information.
Status
Description
Off
The UPS is turned off and will not turn on automatically.
On
The UPS is operating normally.
The UPS does not recognize the internal
On
The UPS is in Battery mode.
batteries.
Changing the Language
On
The UPS has an active alarm.
S The UPS is starting up or is shut down and waiting for power to return.
On
Flashing
The UPS has an active alarm.
S A new information message is active.
Press and hold the first button on the left for approximately five seconds
Flashing
There is a new UPS alarm condition. See "Troubleshooting" on page 67 for
Flashing
There is a new UPS alarm condition. See "Troubleshooting" on page 67 for
S Bypass is not available.
to select the language menu. This action is possible from any LCD menu
additional information.
On
additional information.
The UPS is in Bypass mode.
screen.
Off
The UPS is turned off and will not turn on automatically.
Power requirements exceed the UPS
On
The UPS is in Battery mode.
Changing the Language
Changing the Language
capacity (greater than 100% of nominal).
On
The UPS has an active alarm.
Display Functions
Press and hold the first button on the left for approximately five seconds
Press and hold the first button on the left for approximately five seconds
Flashing
There is a new UPS alarm condition. See "Troubleshooting" on page 67 for
As the default or after 15 minutes of inactivity, the LCD displays the
to select the language menu. This action is possible from any LCD menu
to select the language menu. This action is possible from any LCD menu
additional information.
On
The UPS is in Bypass mode.
selectable startup screen. The default is the Eaton logo and can be
screen.
screen.
changed to the Mimic screen in the User Settings menu.
UPS internal temperature is too high or
Changing the Language
The backlit LCD automatically dims after a long period of inactivity. Press
Display Functions
the fan has failed.
Display Functions
On
The UPS has an active alarm.
any button to restore the screen.
Press and hold the first button on the left for approximately five seconds
As the default or after 15 minutes of inactivity, the LCD displays the
As the default or after 15 minutes of inactivity, the LCD displays the
Flashing
There is a new UPS alarm condition. See "Troubleshooting" on page 67 for
to select the language menu. This action is possible from any LCD menu
Use the two middle buttons ( and ) to scroll through the menu
selectable startup screen. The default is the Eaton logo and can be
selectable startup screen. The default is the Eaton logo and can be
additional information.
screen.
structure. Press the
changed to the Mimic screen in the User Settings menu.
changed to the Mimic screen in the User Settings menu.
to select an option. Press the
The backlit LCD automatically dims after a long period of inactivity. Press
The backlit LCD automatically dims after a long period of inactivity. Press
previous menu.
Changing the Language
Display Functions
any button to restore the screen.
any button to restore the screen.
Press and hold the first button on the left for approximately five seconds
As the default or after 15 minutes of inactivity, the LCD displays the
Use the two middle buttons ( and ) to scroll through the menu
Use the two middle buttons ( and ) to scroll through the menu
to select the language menu. This action is possible from any LCD menu
selectable startup screen. The default is the Eaton logo and can be
The batteries need service.
structure. Press the
structure. Press the
screen.
changed to the Mimic screen in the User Settings menu.
to select an option. Press the
to select an option. Press the
The main utility breaker is off.
previous menu.
previous menu.
The backlit LCD automatically dims after a long period of inactivity. Press
Eaton 9355 Parallel UPS (10/15 kVA) User's Guide
Display Functions
If an optional isolation transformer is
any button to restore the screen.
installed, the input circuit breaker is off.
As the default or after 15 minutes of inactivity, the LCD displays the
Use the two middle buttons ( and ) to scroll through the menu
selectable startup screen. The default is the Eaton logo and can be
structure. Press the
changed to the Mimic screen in the User Settings menu.
to select an option. Press the
Eaton 9355 Parallel UPS (10/15 kVA) User's Guide
previous menu.
Eaton 9355 Parallel UPS (10/15 kVA) User's Guide
The backlit LCD automatically dims after a long period of inactivity. Press
any button to restore the screen.
Use the two middle buttons ( and ) to scroll through the menu
structure. Press the
Action
The UPS is powering the equipment with battery power.
Prepare your equipment for shutdown.
Five minutes or less of battery power remains
(depending on load configuration and battery charge).
Save your work and turn off your equipment.
When utility power is restored, the UPS restarts
automatically, provides power to the load, and charges
the battery.
Verify the battery circuit breaker is in the ON position. If
the condition persists, contact your service
representative.
Remove some of the equipment from the UPS. The UPS
continues to operate, but may switch to Bypass mode
if the load increases. The alarm resets when the
condition becomes inactive.
Turn the maintenance bypass switch to the SERVICE
position. Otherwise, shut down the UPS.
Clear vents and remove any heat sources. Allow the
UPS to cool. Ensure the airflow around the UPS is not
restricted.
button to enter a submenu. Press the
If the alarm disappears, turn the maintenance bypass
ESC
button to cancel or return to the
switch back to the UPS position.
If the condition persists, contact your service
representative.
Contact your service representative.
button to enter a submenu. Press the
button to enter a submenu. Press the
ESC
button to cancel or return to the
ESC
button to cancel or return to the
Verify that the main utility breaker is on.
S
164201601 Rev B
Verify that the isolation transformer input circuit breaker
is on.
button to enter a submenu. Press the
ESC
button to cancel or return to the
S
164201601 Rev B
S
164201601 Rev B
Eaton 9355 Parallel UPS (10/15 kVA) User's Guide 164201601—Rev E0
button to enter a submenu. Press the
button
button
button
button
59
button
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