User`s manual

TROUBLESHOOTING CHART
Problem
No alarm, No LED
indication (UPS is not
turned on).
UPS does not provide
expected back-up time
All LEDs are on.
‘REPLACE BATTERY’
LED lights
UPS operates on
battery even though
good line voltage may
be present.
Site wiring fault LED on
rear panel lights.
UPS over temperature
(BUCK, BOOST,
NORMAL,ON BATTERY
LEDs are on)
Possible Cause
ON/TEST button is not
pushed.
The rear panel circuit
breaker is tripped (Button
is out).
UPS fault.
Batteries inside the UPS
are not fully charged.
UPS is overloaded.
Batteries are weak.
Charger fault or other
reason.
Internal UPS fault.
Weak batteries.
The rear panel circuit
breaker is tripped (Button
is out).
Very high, low, or distorted
utility voltage.
Wiring error such as
reversed hot/neutral or no
earth ground.
The exhaust fan and
ventilation grill may be
obstructed.
The environment tempera-
ture is too high.
Solution
Press the ON/TEST button to turn
on the UPS. (Refer to Section 4 to
turn on the UPS).
Reduce some loads connected to
the UPS. Reset the circuit breaker
(Push button in).
Call for qualified service person-
nel if above actions do not solve
the problem
Recharge the batteries for at least
4 hours.
Remove some unnecessary
loads.
Batteries wear faster when used
often or operating at higher
temperatures. If the battery is
near the end of its life, replace the
battery even if the REPLACE
BATTERY LED does not light
(Refer to Section 6 for replacing
batteries).
Call for service.
Turn off UPS. Call for service.
Recharge the batteries for at least
4 hours. If problem remains,
replace the batteries.
Reduce some loads connected to
the UPS. Reset the circuit breaker
(Push button in).
Have qualified electrician check
the input voltage.
Get wiring checked by electrician.
Choose a well-ventilated area to
position your UPS to allow
adequate dissipation of heat.
Position your UPS in cooler area.
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