Trouble Shooting - PROLiNK PRO800-QS User Manual

4. Trouble Shooting

If the UPS system does not operate correctly, please solve the problem by using the table below.
Symptom
No indication and alarm in the front
display panel even though the mains is
normal.
The icon and the warning code
flash on LCD display and alarm
beeps every second.
The icon and
LCD display and alarm beeps every
second.
The icon and
LCD display and alarm beeps twice
every second.
Fault code is shown as 43. The icon
lights on LCD display and
alarm beeps continuously.
Fault code is shown as 14, the icon
lights on LCD display, and
alarm beeps continuously.
Fault code is shown as 01, 02, 03, 04,
11, 12, 13, 14,1A, 21, 24, 36, 41, 42 or
43 on LCD display and alarm beeps
continuously.
Battery backup time is shorter than
nominal value
The icon and
display and alarm beeps every second.
Possible cause
The AC input power is not
connected well.
EPO function is enabled.
The
flash on
battery
connected.
UPS is overload.
UPS is overloaded. Devices
connected to the UPS are fed
flash on
directly
network via the Bypass.
After repetitive overloads, the
UPS is locked in the Bypass
mode. Connected devices are
fed directly by the mains.
UPS is overload too long and
becomes fault. Then UPS shut
down automatically.
The
automatically because short
circuit occurs on the UPS
output.
A UPS
occurred.
possible results:
1. The load is still supplied, but
directly from AC power via
bypass.
2. The load is no longer
supplied by power.
Batteries are not fully charged
Batteries defect
Fan is locked or not working;
flash on LCD
or the UPS temperature is too
high.
external or internal
is incorrectly
by the electrical
UPS shut down
internal fault has
There are two
23
Remedy
Check if input cable firmly
connected to the mains.
Set the circuit in
position to disable
function.
Check if all batteries
connected well.
Remove excess loads from UPS
output.
Remove excess loads from UPS
output.
Remove excess loads from UPS
output first. Then shut down
the UPS and restart it.
Remove excess loads from UPS
output and restart it.
Check output wiring and if
connected devices are in short
circuit status.
Contact your dealer.
Charge the batteries for at
least 7 hours and then check
capacity. If the problem still
persists, consult your dealer.
Contact your dealer to replace
the battery.
Check fans and notify dealer.
closed
EPO
are