AEG PROTECT D LCD+ - Page 81

81
EN
Conditions
Possible cause
Action
The UPS
does not
provide the
expected
backup time.
The batteries need
charging or service.
Apply utility power for 48 hours to
charge the batteries. If the
condition persists, contact your
service representative.
Bypass mode
LED is on.
An overload or a fault
has occurred, or a
command has been
received and the UPS
is in Bypass mode. Or
auto bypass function is
enabled.
Equipment is powered but not
protected by the UPS. Check for
one of the following alarms:
overtemperature, overload, UPS
failure or auto bypass setting.
Power
overload
LED is On.
1 beep every
second.
Power requirements
exceed the UPS
capacity (greater than
105% of nominal;
Remove some of the equipment
from the UPS. The alarm resets
when the condition becomes
inactive.
over
temperature
warning
LED is On.
1 beep every
second.
The UPS internal
temperature is too high.
At the warning level,
the UPS generates the
alarm but remains in
the current operating
state.
Clear vents and remove any heat
sources. Ensure the airflow
around the UPS is not restricted.
The UPS
does not start.
The input source is not
connected correctly.
Check the input connections.
The Remote Power Off
(RPO) switch is active
or the RPO connector
is missing.
If the UPS Status menu displays
the “Remote Power Off” notice,
inactivate the RPO input.