Samplex America PSE-1260A Owner's Manual - page 7
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3. Grounding
The power inverter has a lug on the rear panel chassis ground. This is to connect the chassis of the
power inverter to the ground. The ground terminals in the AC outlets on the front panel of the inverter
are also connected to the ground lug. The chassis ground lug must be connected to a grounding point,
which will vary depending on where the power inverter is installed. In a vehicle, connect the chassis
ground to the chassis of the vehicle. In a boat, connect to the boats grounding systems. In a fixed
location, connect the chassis ground lug to earth. The neutral (common) conductor of the power
inverter AC output circuit is connected to the chassis ground. Therefore, when the chassis is connected
to ground, the neutral conductor will also be grounded. This conforms to national electrical code
requirements that separately derived AC sources (such as inverters and generators) have their neutral
tied to ground in the same way that the neutral conductor from the utility line is tied to ground at the
AC breaker panel.
Caution!
Do not install the power inverter in a positive ground DC system. A positive
ground DC system has the positive terminal of the battery connected to the
chassis of the vehicle or to the grounding point.
Warning!
Do not operate the power inverter without connecting it to ground. Electrical
shock hazard may result.
PROBLEM
POSSIBLE CAUSE
SOLUTION
& SYMPTOMS
Low output voltage.
Using average
Use true RMS
reading voltmeter.
reading volt
meter
(see page 4 of manual).
Low output voltage.
Overload.
Reduce load.
No output voltage
Low input voltage
Recharge battery,
Audible alarm
(<10V).
check connections
and cables.
No output voltage.
Inverter is
Switch inverter on.
switched off.
No power to inverter.
Check wiring to the
inverter.
Internal fuse is open.
Have a qualified
technician check
and replace fuse.
Reverse DC polarity.
Have a qualified
service technician
check and replace fuse.
No output voltage
High input voltage
Make sure that the inverter
Audible alarm.
(>15V).
is connected to 12V battery.
Check regulation of charging
system.
OBSERVE CORRECT POL ARITY