Online USV XANTO RT1000, Manual

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10.5 Troubleshooting
If the UPS system does not operate correctly, please attempt
to solve the problem using the table below.
No. Problem Cause Solution
Button not being
held down long
enough Keep the ON button
pressed until you hear
an audible signal (1-2
secs.)
Battery not con-
nected Connect the battery to
the UPS
Battery voltage too
low Charge battery, then try
again
Battery faulty Call ONLINE hotline
1 UPS does not
switch on when the
ON button is
pressed
UPS fault Call ONLINE hotline
2 Power supply
present, but UPS
unable to detect
input voltage
Input protection
switch on back of
UPS has tripped Press input protection
switch
3 LINE LED flashing Input volt-
age/frequency
outside tolerances
Check input volt-
age/frequency and input
protection switch. Dis-
connect load.
4 ALARM LED and
Load LEDs 1-5
flashing, alarm
signal
Overload Disconnect non-critical
loads
5 Overload, no out-
put voltage, bypass
mode cannot be
accessed
Output discon-
nected due to
bypass overload.
Bypass volt-
age/frequency
outside tolerances
Disconnect non-critical
loads. Check input
voltage/frequency
6 Autonomy time too
short
Battery not fully
charged Charge battery for at
least 8 hours
7 Battery mode: out
of LEDs 1-5, only
LED 1 is lit Battery voltage too
low Disconnect load imme-
diately to prevent uncon-
trolled shutdown
8 ALARM LED + LED
4 lit, alarm signal
(1x / sec.) Fan fault Check air outlet for
obstructions.
If no obstruction can be
found: call ONLINE-
hotline