Audible Alarm Trouble Shooting; General Fault Diagnosis And Fault Rectification - AEG PROTECT B. 750 Operating Instructions Manual

6.2

Audible Alarm Trouble Shooting:

Problem
Sounding every 4
seconds
Sounding every
second
Continuously
sounding
6.3

General Fault Diagnosis and Fault Rectification

Problem
The UPS is not on
when power switch is
pressed
Cause
The UPS is on battery
The battery is running low
Output overload
The UPS fails
Battery may need to
charge or service
Cause
The power cord is
not connected
correctly
The wall outlet may
be faulty
The UPS output
may short-circuit or
overload
Internal fuse may be
blown
44
Solution
Check the input voltage,
the input fuse resp. the
circuit breaker
Save your work and turn
off your equipment
Check load level indicator
and remove some load
Please contact your local
dealer
Charge or replace the
battery
Solution
Check the power cord
connection, especially the fit
of the plug in the socket of the
UPS
Please contact your local
qualified electrician
1. Disconnect all loads and
restart UPS. Connect loads
again one by one.
2. Ensure loads are not
detective or shorted internally
Please contact your local
dealer