26
6
Displays and Troubleshooting
6.1
Warning Sounds
Warning
sound
Meaning
Sounds every 10
seconds
UPS is operating in battery mode.
Sounds every
second
UPS is running in battery mode and will shortly
shut down (battery system has reached the battery
undervoltage limit).
Sounds every two
seconds
Battery system faulty, it may have to be renewed
(battery diagnosis negative).
Sounds twice every
second
UPS output is overloaded.
Sounds every 2
seconds;
continuous warning
sound after 50 min
Overload of the step-up/down converter due to
UPS overload.
Sustained warning
sound
UPS faulty.
6.2
General Troubleshooting and Fault Rectification
Fault
Cause
Solution
Battery missing
Insert the battery and first
charge it up for at least 8 hours
Battery fault
Renew the battery with a
battery of the same type
No LED display on
the front cover plate
On/off switch not pressed Press the switch again
Alarm buzzer sounds
continuously with
normal AC supply
UPS overload
Check whether the load
matches the UPS capacity
indicated in the technical
data
Summary of Contents for PROTECT A. 500
Page 1: ...UPS OPERATING INSTRUCTIONS PROTECT A 500 PROTECT A 700 PROTECT A ...
Page 2: ...2 ...
Page 14: ...14 3 3 CE Certificate ...