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Q. Why does my Residual Current Device (RCD) trip each time I turn an appliance on?
A. Some RCD's disconnect (trip) when they do not receive any power. These types of RCD's can be
tripped by the inverter's Peak Power Technology which allows a gradual ramp up of power. Use a
continuous RCD which does not trip out when the power is turned off, these only trip when there
is a fault.
Q. Why do some power tools not work properly?
A. Some newer power tools use PWM variable speed controllers to vary the tool's speed as the
trigger is squeezed. These power tools switch the power on and off very quickly in a similar way
to how the inverter works. Because of this, some may not function properly with the inverter's
modified sine wave output.
Q. Can I run laptop computers?
A. Most laptop/notebook computer AC power adapters work perfectly fine with the inverter's
modified sine wave. Some however are more sensitive and may not function properly. If your
power adaptor does not function or causes a humming noise it is probably not compatible.
The best way to operate a laptop/notebook from your vehicle is to use the Projecta 12 Volt
Laptop Power Adaptor P/No. DC3500. This is a much more convenient and efficient way
to charge and operate the laptop direct from a 12V source.
Q. Can I connect lights with dimmers to the inverter?
A. Older light dimmers may function fine but most newer light dimming circuits are designed for
household sine wave AC power, these may not work properly with modified sine wave inverters.
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