Trouble Shooting - Eaton 9E20K-TH Manual

If there is a power outage and the 9E UPS battery power becomes low,
Eaton Software suite can automatically shut down your computer system to
protect your data before the UPS shutdown occurs.

4.4 Trouble shooting

PROBLEM
THE DISPLAY DOES
NOT LIGHT UP
THE DISPLAY IS ON
BUT THE LOAD IS
NOT POWERED
THE UPS IS
OPERATING FROM
THE BATTERY
DESPITE THE
PRESENCE OF
MAINS VOLTAGE
THE BUZZER
SOUNDS
CONTINUOUSLY
AND THE DISPLAY
SHOWS ONE OF THE
FOLLOWING CODES:
A80E, A810, F808
THE DISPLAY
SHOWS THE
FOLLOW CODE:
A60D
POSSIBLE CAUSE
INPUT SWITCH
OPEN
MAIN
CONNECTION
CABLE MISSING
NO MAINS
VOLTAGE
(BLACKOUT)
UPSTREAM
THERMAL
PROTECTION TRIP
THE UPS IS IN
Standby mode
THE INPUT
VOLTAGE IS
OUTSIDE THE
PERMITTED
TOLERANCE
RANGE FOR MAINS
OPERATION
THE LOAD
APPLIED TO THE
UPS IS TOO HIGH
BATTERIES
MISSING OR
BATTERY BOX
MISSING OR NOT
CONNECTED
32
SOLUTION
Close the input switch located on
the back of the UPS.
Check that the power cable is
connected correctly.
Check that the power reaches the
UPS
Reset the thermal protection.
CAUTION: Check that there is no
output overload to the UPS.
Press the "ON" button on the front
panel to power the loads.
Problem with the mains. Wait until
the input mains voltage returns
within the tolerance range. The
UPS will automatically return to
mains operation.
Reduce the load to within the
threshold of 100% (or user
threshold in the case of code
A80E).
If the display shows an Fault:
remove the load and switch the
UPS off and back on again.
Check that the Battery Box is
inserted and connected to the UPS
correctly.