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4.4 Trouble shooting
PROBLEM
POSSIBLE CAUSE
SOLUTION
THE DISPLAY DOES
NOT LIGHT UP
INPUT SWITCH OPEN
Close the input switch located on the back of the
UPS.
MAIN CONNECTION CABLE
MISSING
Check that the power cable is connected correctly.
NO MAINS VOLTAGE
(BLACKOUT)
Check that the power reaches the UPS
UPSTREAM THERMAL
PROTECTION TRIP
Reset the thermal protection.
CAUTION: Check that there is no output overload to
the UPS.
THE DISPLAY IS ON BUT
THE LOAD IS NOT
POWERED
THE UPS IS IN Standby mode
Press the “ON” button on the front panel to power the
loads.
THE UPS IS OPERATING
FROM THE BATTERY
DESPITE THE
PRESENCE OF MAINS
VOLTAGE
THE INPUT VOLTAGE IS
OUTSIDE THE PERMITTED
TOLERANCE RANGE FOR
MAINS OPERATION
Problem with the mains. Wait until the input mains
voltage returns within the tolerance range. The UPS
will automatically return to mains operation.
THE BUZZER SOUNDS
CONTINUOUSLY AND
THE DISPLAY SHOWS
ONE OF THE
FOLLOWING CODES:
A80E, A810, F808
THE LOAD APPLIED TO THE
UPS IS TOO HIGH
Reduce the load to within the threshold of 100% (or
user threshold in the case of code A80E).
If the display shows an Fault:
remove the load and switch the UPS off and back on
again.
THE DISPLAY SHOWS
THE FOLLOW CODE:
A60D
BATTERIES MISSING OR
BATTERY BOX MISSING OR
NOT CONNECTED
Check that the Battery Box is inserted and connected
to the UPS correctly.
THE BUZZER SOUNDS
CONTINUOUSLY AND
THE DISPLAY SHOWS
ONE OF THE
FOLLOWING CODES:
A004 F004
THE TEMPERATURE INSIDE
THE UPS IS TOO HIGH
Check that the temperature of the environment in
which the UPS is located does not exceed 40°C.
THE BUZZER SOUNDS
CONTINUOUSLY AND
THE DISPLAY SHOWS
ONE OF THE
FOLLOWING CODES:
F805
THERE IS A FAULT ON ONE
OR MORE OF THE LOADS
POWERED BY THE UPS
Disconnect all the utilities, switch the UPS off and
back on again, reconnect the utilities one at a time to
identify which one is faulty.
THE BUZZER SOUNDS
CONTINUOUSLY AND
THE DISPLAY SHOWS
ONE OF THE
FOLLOWING CODES:
F704, F70D,F70C,F302,
F303,F305,F300,F301,F3
04, F002
THE UPS IS MALFUNCTIONING
If possible, disconnect the power to the load, switch
the UPS off and back on again; if the problem occurs
again, call the support centre.
THE DISPLAY SHOWS
THE CODE:
A900
THE MAINTENANCE BYPASS
FUNCTION IS ACTIVE
To take the UPS out of the maintenance bypass
function, open the manual bypass switch on the back
of the UPS.
