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30 Chapter 5 Handling Abnormal Problem
E1-20010329-C-1.0
Sequence
No.
Phenomena
Description
Cause Action
9 The UPS has reduced
battery time.
A. The battery is not
fully charged;
B. The battery is not
able to hold a full
charge due to age.
A. Allow the battery to
charge for more than 8
hours when the Utility is
normal, and then re-test
the discharge time;
B. The battery needs
replacement, please
contact the Liebert or its
authoriged agent. .
10 The buzzer beeps, the
fault indicator shines,
and the LCD displays
"TEMP OVER"
Internal
overtemperature
A. Check whether there is
air flowing out from
inside.
B. Remove the objects
blocking the vent, or
widen the distance from
the wall;
C. Wait for 10 minutes for
the UPS cools down, then
restart it.
11 The buzzer beeps, the
fault indicator is on ,
and the LCD displays
"OUTPUT SHORT"
UPS output
short-circuit.
Restart the UPS after
confirming that load
short-circuit does not
exist.
12 The buzzer beeps, the
fault indicator shines,
and the LCD displays
"RECTIFIER FAIL",
"INVERTER FAIL",
"AUX SUPPLY FAIL",
or "OUTPUT FAIL".
UPS internal fault The UPS needs
maintenance, please
contact the Liebert or its
authoriged agent
immediately .
13 Abnormal noise or
smell inside the UPS.
UPS internal fault Turn off the UPS and cut
off the power input
immediately, contact
Liebert or its anthoriged
agent for assistance.
When reporting UPS , please provide the machine model and machine serial No. (the
bar code on the rear panel of the UPS).