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LOCATING FAULTS
PROBLEM POSSIBLE CAUSE WHAT TO DO
The ON/OFF button was not pressed
right down.
Press the ON/OFF button
correctly.
The UPS will not
switch on
UPS failure Call technical support
Loose power cable
Check that the power cable is firmly
connected to the mains outlet
The thermal protection switch has
been activated.
Press the thermal protection switch to
restore UPS operation
Line voltage too high, too low or
power black-out
Restore mains power supply
UPS constantly
operating in Battery
Mode
UPS failure Call technical support
Batteries not fully charged Charge the UPS for at least 6 hours
Duration of the back-
up battery too short
Batteries are damaged Replace the batteries
Continuous audio
signal
Overload Disconnect non-essential loads
Red Battery Failure
LED on
Battery failure Replace the batteries
Should problems or malfunctions occur that are not listed above, or if the above operations cannot be
performed, call technical support giving full details of any problems.
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