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6.2 Audible Alarm Trouble Shooting:
Problem Cause Solution
Sounding every 4
seconds
The UPS is on battery Check the input voltage,
the input fuse resp. the
circuit breaker
The battery is running low Save your work and turn
off your equipment
Sounding every
second
Output overload Check load level indicator
and remove some load
The UPS fails Please contact your local
dealer
Continuously
sounding
Battery may need to
charge or service
Charge or replace the
battery
6.3 General Fault Diagnosis and Fault Rectification
Problem Cause Solution
The power cord is
not connected
correctly
Check the power cord
connection, especially the fit
of the plug in the socket of the
UPS
The UPS is not on
when power switch is
pressed
The wall outlet may
be faulty
Please contact your local
qualified electrician
The UPS output
may short-circuit or
overload
1. Disconnect all loads and
restart UPS. Connect loads
again one by one.
2. Ensure loads are not
detective or shorted internally
Internal fuse may be
blown
Please contact your local
dealer