17 |
P a g e
TROUBLESHOOTING GUIDE
Problem/Symptom
Possible Causes
on
Low output voltage
Overload
Reduce the load.
No output voltage
Low input voltage
Recharge ba
!
ery. Check
connec
"
ons and cable.
No output voltage
a
#
er prolonged use
Thermal shutdown
Allow inverter to
cool o
ff
.
Reduce load, con
"
nuous
opera
"
on input current
required.
Improve ven
"
la
"
on;
make sure ven
"
la
"
on
openings in the inverter
are not obstructed.
Reduce ambient
temperature.
No output voltage,
“Protect” indicator
lighted
High input voltage
Make sure the inverter
is connected to 12V
ba
!
ery.
Check regula
"
on or
charging system.
No output voltage
Short circuit
Check load for proper
opera
"
on.
No output voltage
Inverter switched
off
No power to inverter
Reverse DC polarity
Turn inverter
on
.
Check wiring to inverter.
Observe correct
polarity.
Low ba
!
ery alarm on
all the
"
me
Poor DC wiring
Poor ba
!
ery
condi
"
on
Check connec
"
ons.
Make sure ba
!
ery is
fully charged.
