ENGLISH
User’s manual
30
UPS EVO DSP PLUS TM
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, examine the
circuit breakers positions, 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
No indication and/or alarm on the
front panel even though the main is
normal. The graphic LCD is OFF.
The AC Input line cable is not
connected well.
The Input circuit breaker is “OFF”.
Check if Input cable is firmly
connected to the Input mains.
Check the Input circuit breaker:
if it is “OFF” please switch it
“ON”.
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 icon
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.
The icon
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.
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