PowerWalker Battery Pack for VFI 10000R LCD - Manual (Page 27)

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EN
4. Trouble Shooting
If the UPS system does not operate correctly, please solve the problem by using the table below.
Symptom Possible cause Remedy
No indication and alarm in the front
display panel even though the mains is
normal.
The AC input power is not
connected well. Check if input cable firmly
connected to the mains.
The icon and the warning code
flash on LCD display and alarm
beeps every second.
EPO function is enabled.
Set the circuit in closed position
to disable EPO function.
The icon and flash on
LCD display and alarm beeps every
second.
The external or internal battery is
incorrectly connected. Check if all batteries are
connected well.
Fault code is shown as 28, the icon
lights on LCD display, and
alarm beeps continuously.
Battery voltage is too low or the
charger is fault.
Contact your dealer.
The icon and flash on
LCD display and alarm beeps twice every
second.
UPS is overload.
Remove excess loads from UPS
output.
UPS is overloaded. Devices
connected to the UPS are fed
directly by the electrical network
via the Bypass.
Remove excess loads from UPS
output.
After repetitive overloads, the
UPS is locked in the Bypass
mode. Connected devices are fed
directly by the mains.
Remove excess loads from UPS
output first. Then shut down the
UPS and restart it.
Fault code is shown as 43. The icon
lights on LCD display and
alarm beeps continuously.
UPS is overload too long and
becomes fault. Then UPS shut
down automatically.
Remove excess loads from UPS
output and restart it.
Fault code is shown as 14, the icon
lights on LCD display, and alarm
beeps continuously.
The UPS shut down
automatically because short
circuit occurs on the UPS output.
Check output wiring and if
connected devices are in short
circuit status.
Fault code is shown as 1, 2, 3, 4, 5, 11, 12,
13, 1A, 21, 24, 35, 36, 41 or 42 on LCD
display and alarm beeps continuously.
A UPS internal fault has
occurred. There are two possible
results:
1. The load is still supplied, but
directly from AC power via
bypass.
2. The load is no longer supplied
by power.
Contact your dealer
Battery backup time is shorter than
nominal value
Batteries are not fully charged
Charge the batteries for at least 7
hours and then check capacity. If
the problem still persists, consult
your dealer.
Batteries defect
Contact your dealer to replace
the battery.
The icon and flash on LCD
display and alarm beeps every second.
Fan is locked or not working; or
the UPS temperature is too high.
Check fans and notify dealer.