ENGLISH
User’s manual
22
UPS EVO DSP MM
12
Troubleshooting
This section gives information about the procedures which shall be performed in case of abnormal operation.
If you fail to fix the problem consult authorized Technical Service with the following information:
Model and serial number of the UPS, which can be found on the nameplate on the rear of the UPS.
Description of abnormal operation and Fault code displayed on graphic LCD.
If you have noticed an abnormality in operation; check the Protective Ground/Earth connections, check the
Input/Output connections, read alarms code from the graphic LCD and refer to the table below. Apply all
suggestions corresponding to each anomaly.
If your issue is excluded or the suggested actions do not solve your problem, consult the Technical Service.
Risk of electric shock: do not remove the cover. The UPS contains internal parts which
are at a high Voltage and are potentially dangerous, capable of causing injury or death
by electric shock.
There are no internal parts in the UPS which are user serviceable. Any repair or
maintenance work must be performed exclusively by qualified technical personnel
authorized by TECNOWARE.
TECNOWARE declines any responsibility if this warning is disregarded.
SYMPTOM
POSSIBLE CAUSE
ACTION TO SOLVE
The Input cable is not connected
well to the AC Input mains or to the
AC Input socket of UPS
Check if the Input cable is firmly
connected to the AC Input mains
and to the AC Input socket of
UPS.
No indication and/or alarm on the
front panel even though the main is
normal. The graphic display is OFF.
The Input Circuit Breaker is “OFF”.
Check the Input Circuit Breaker:
if it is OFF, push the external
button of the Input Circuit
Breaker to reactivate it.
The icon
and the warning code
flash on LCD display and alarm
beeps every second.
EPO function is enabled.
Set the EPO circuit in closed
position to disable EPO function.
The icons
and
flash on the
graphic display and alarm beeps
every second.
Line and Neutral poles of AC input
Line are reversed.
Disconnect the Input Cable from
AC Input mains socket, rotate
the plug by 180° and then
connect again.
The icons
and
flash on
LCD display and alarm beeps every
second.
The external or internal batteries
are incorrectly connected.
Check if all batteries are
connected correctly.
Fault code is shown as 27, the icon
lights on LCD display, and
alarm beeps continuously.
Battery Voltage is too Low or
the Battery Charger is faulty.
Contact Technical Service.
