DPD-9E2305
23
Conditions
Possible cause
Action
Battery fault
LED is On.
Beep continuous
The battery test is failed due to bad or
disconnected batteries.
Verify that all batteries are properly
connected. If the condition persists,
contact your service representative.
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.
Equipment is powered but not protected
by the UPS.
Check for one of the following alarms:
overtemperature, overload or UPS failure.
Power Overload
LED is On
Power requirements exceed the UPS
capacity (greater than 100% of nominal;
see “User Settings” for specific output
overload ranges).
Remove some of the equipment from the
UPS. The UPS continues to operate, but
may shut down if the load increases. The
alarm resets when the condition becomes
inactive.
UPS overtemperature
LED is On
Beep continuous
The UPS internal temperature is too high or
a fan has failed. At the warning level, the
UPS generates the alarm but remains in the
current operating state. If the temperature
rises another 10°C, the UPS shuts down.
Clear vents and remove any heat sources.
Allow the UPS to cool. Ensure the airflow
around the UPS is not restricted. Restart
the UPS. If the condition continues to
persist, contact your service
representative.
The UPS does not start
The input source is not connected correctly.
Check the input and battery 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, deactivate the
RPO input.
