User Manual for Lead Acid Interactive UPS
04/22v.1
Page 33
VD-Series (5000VA-10kVA)
Chatsworth Products (CPI)
4.5 Troubleshooting Chart
Symptom
Possible cause
Remedy
The icon
and the warning code
flash on LCD display and alarm beeps ev
-
ery second.
EPO function is enabled.
Set the circuit in closed po-
sition to disable EPO func-
tion.
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.
The icon
and
flash on LCD
display and alarm beeps twice every sec-
ond.
UPS is overloaded.
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 overloaded 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 01, 02, 03, 04, 11,
12, 13, 14,1A, 21, 24, 35, 36, 41, 42 or 43
on LCD display and alarm beeps continu-
ously.
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 prob-
lem still persists, consult
your dealer.
Batteries defect
Contact your dealer to re-
place the battery.
The icon
and
flash on LCD dis
-
play and alarm beeps every second.
Fan is locked or not working; or the
UPS temperature is too high.
Check fans and notify deal-
er.