pro user PSI Series Operating Manual page 16

Symptom
The main Switch is ON, but
there is no 230V AC out-
put or any LED indicator
lights on.
The inverter beeps once,
Power LED indicator is
green. But the connected
AC appliance does not turn
on.
TROUBLESHOOTING
Possible Cause
There is no voltage at
the DC input.
The polarity of the DC
input has been reversed
and blown the internal
fuses.
(NOTE: This may have
caused permanent dama-
ge to the inverter, and
void all warranty).
Loose AC output
•
connections.
Short circuit of AC output
•
wiring.
The AC appliance is
•
faulty.
The AC appliance is swit-
•
ched o .
16
Solutions
Check that the battery
•
fuse is not blown and in-
tact.
Check that all the DC input
•
connections are tight.
Check the continuity of
•
the DC input circuit.
If using a lithium battery,
•
check to see if it as gone
into protection/safe mode,
if so, please follow your
battery manufacturer's
instructions on how to
reset the battery.
The inverter will need to
be returned to Pro-User
Electronics for further
assessment.
Double check that all AC
•
output connections are
tight and not loose
(Consult a licensed
electrician).
Check for short circuits
•
with your AC wiring.
Test the AC appliance on a
•
230V AC socket.
If there is still no output,
•
contact Pro-User
Electronics.