Trouble Shooting
26 Rack Online 1-3k UPS User Manual
voltage abnormal of bypass range or is
off
range.
24 Warn: Bypass over
load
Load is on bypass and
is overload
Remove some loads to ensure that
total loads is less than 95% of rated
capacity
26 Warn: Bypass
overload timeout
Load is on bypass and
overload. Overload
time is longer than the
overload capacity of
bypass. UPS will
shutdown output and
loads will loss power.
Remove some loads and restart
UPS again. When UPS is working
normally, turn on loads one by one.
28 Warn: Bypass
frequency is out of
synchronous
range
Bypass frequency is
out of synchronous
range.
/
30 Warn: Transfer
times over limit in
1 hour
Transfer times
between inverter and
bypass is over 5 in
recent 1 hour. UPS
works in bypass mode.
Check if output is overload or some
loads are shorted. Remove the
failure loads and restart the UPS or
wait for starting inverter
automatically.
32 Warn: output
shorted
Something shorted Please remove all loads from UPS
output. Check if UPS output is
shorted. If not, please check all
loads.
34 Warn: End of
discharge
UPS works in battery
mode for long time
after utility failure. UPS
output will be off until
utility power is on.
Please save your data when UPS
alarm “utility fail”
47 Fault: Rectifier
fault
Bus over voltage, bus
unbalance, rectifier
starting failure, bus
under voltage, input
fuse is off
Please contact with distributer or
service center.
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