Eaton 9A UPS - Page 41

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9A UPS 1-3K
Condions Possible cause Acon
Emergency supply period shorter
than norminal value.
Baeries not fully
charged / baeries
defect.
Charge the baeries for at least 5 - 8 hours and
then check capacity. If the problem sll persists,
consult your dealer.
Fan fail. Fan abnormal. Check if the fan is running.
Baery over voltage. Baery is over charged.
Stop charging to baery automacally, and aer
the baery voltage is normal and the mains is
normal, charge automacally again.
Baery low. Baery voltage is low.
When audible alarm sounding every second,
baery is almost empty.
Charge fail. The charge is broken. Nofy dealer.
Inverter temperature high.
Inside temperature of
the UPS is too high.
Check the venlaon of the UPS, check the
ambient temperature.
Ambient temperature high.
The ambient
temperature is too high.
Check the environment venlaon.
Baery open.
Baery pack is not
connected correctly
Check the baery bank is connected to the UPS.
Check the baery breaker is turn on.
Baery fault.
Baery may need to be
replaced.
Nofy dealer.
Overload. Overload.
Check the loads and remove some non-crical
loads.
Check whether some loads are failed.
Site fail.
Phase and neutral
conductor at input of
UPS system are reversed.
Rotate mains power socket by 180° or connect
UPS system.
EPO acve. EPO funcon is enabled. Turn o the EPO switch.
Bus fault
(Low/high/ Unbalance/so
start).
UPS internal fault. Nofy dealer.
Inverter fault
(Low/high/so start).
UPS internal fault. Nofy dealer.
Over temperature fault. Over temperature.
Check the venlaon of the UPS, check the
ambient temperature and venlaon.
NTC open. UPS internal fault. Nofy dealer.
Inverter short. Output short circuit.
Remove all the loads. Turn o the UPS. Check
whether the output of UPS and loads is short
circuit. Make sure the short circuit is removed,
and the UPS has no internal faults before turning
on again.
Bus short. UPS internal fault. Nofy dealer.