Trouble Shooting
True Online 1-3k UPS User Manual
19
fuse is off
49
Fault: Inverter fault
Inverter over voltage,
inverter under voltage,
Please contact with distributer or
service center.
51
Warn: UPS over
temperature
Environment
temperature is higher
than permitted point,
ventilation is blocked
Please ensure that nothing blocks
ventilation and environmental temp
must be 0~40
°
C
53
Fault: Fan failure
One or more fans are
failure, fan wires are
loosen
Please contact with distributer or
service center
55
Warn:
Inverter
overload
Loads are on inverter
and over the capacity
of the UPS
Remove some loads to ensure that
total loads is under the capacity of
the UPS
57
Warn:
Inverter
overload timeout
Load
is
over
the
capacity of the UPS
and timeout, UPS will
transfer
to
bypass
mode if bypass is
available
Remove some loads to under 95%,
UPS
will
transfer
to
inverter
automatically
65
Warn: Battery low
UPS works in battery
and battery voltage is
low
Recover input power or save data
upon
“
battery low
”
71
Fault:
Charger
fault
There is no charger
output.
Please contact with distributer or
service center
72
Warn: input over
current
Abnormal large current
enter in rectifier.
Please contact with distributer or
service center
74
Warn:
Manual
shutdown
UPS
will
shutdown
output or transfer to
bypass mode
/
/
Battery discharge
time diminishes
The battery has not
been fully charged
Charge the battery for more than 10
hours
UPS is overload
Check the loads and remove some
devices
Battery aged
Replace
the
batteries.
Please
contact with distributer or service
