ENGLISH
UPS EVO DSP PLUS 1.2-2.4-3.6 MM
23
User’s manual
SYMPTOM
POSSIBLE CAUSE
ACTION TO SOLVE
Fault code is shown as 28, the icon
lights on LCD display, and
alarm beeps continuously.
Battery Voltage is too Low or
the Battery Charger is faulty.
Contact Technical Service.
The icons
and
flash
on LCD display and alarm beeps
twice every second.
UPS is overloaded.
Remove excessive loads from
UPS Output.
UPS is overloaded. Devices
connected to the UPS are fed
directly by the mains via the Bypass.
Remove excessive loads from
UPS Output.
After repetitive overloads, the UPS
is locked in the Bypass mode.
Connected devices are fed directly
by the mains via the Bypass
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 faulty. Then UPS shuts
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 shuts down automatically
because short circuit occurs on the
UPS Output.
Check Output wiring or if
connected devices are in short
circuit status.
Fault code is shown as 1, 2, 3, 4, 11,
12, 13 or 41 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 Technical Service.
Battery backup time is shorter than
nominal value
Batteries are not fully charged.
Charge the batteries for at least
4 hours and then check capacity.
If the problem still persists,
consult Technical Service.
Batteries are defective/faulty.
Contact Technical Service to
replace the batteries.
The icon
and the warning code
flash on LCD display and alarm
beeps every second.
Fans are locked or not working; or
the UPS temperature is too high.
Check fans and contact
Technical Service.
If the described anomalies should continue despite the advised troubleshooting, or should they
manifest in any other form, please contact the service
