Borri B400-030-B (C) - Page 27

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Overload 29
Fault Code
Bus fault 05
Inverter fault 06
Overload fault 07
Over temperature fault 08
Inverter short 14
Bus short 28
If the UPS system does not operate correctly, please attempt to solve the
problem using the table below.
Problem Possible cause Remedy
No indication, no
warning tone even
though system is
connected to mains
power supply
No input voltage Check building wiring
socket outlet and input
cable.
BYPASS LED lights
up even though the
power supply is
available
Inverter is not
switched on
Press On-Switch “I”.
BATTERY LED lights
up, and audible alarm
sounding every 1
beep in every 4
seconds
Mains power
supply has failed,
or Input power
and/or frequency
are out of tolerance
Switching to battery mode
automatically.
Check the input power
source and inform dealer if
necessary.
www.upsdirect.com