AIMS Power PWRINV5K24012W Manuel d'instruction - Page 8
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V 2.0
Some induction motors used in refrigerators, freezers, pumps, and other motor operated equipment
require very high surge currents to start. The power inverter may not be able to start some of these
appliances even though their rated current draw is within the rating of the power inverter.
If a motor refuses to start, observe the battery voltage indicator while trying to start the motor. If the
battery voltage indicator drops below 10.5V DC while inverter is attempting to start the motor, this may
be why the motor won't start.
Make sure that the battery connections are good and that the battery is fully charged. If the connections
are good and the battery to is charged, but the voltage still drops below 11 volts, you may need a larger
battery or larger battery bank.
INPUT VOLTAGE
The power inverter will operate from input voltage ranging from 10V-16V. If the voltage drops below
input range, an audible low battery warning will sound and the voltage indicator will be in the lower red
zone. The power inverter will shut down if the input voltage drops below 10V, or 20V, or 30V, or 40V +/-
.5V depending on model. This protects your battery from being over discharged.
The power inverter will also shut down if the input voltage exceeds 17V +\-.5V. This protects the
inverter against excessive input voltage.
The voltage indicator will be in the upper red zone. Although the power inverter incorporates protection
against over voltage, the inverter is at risk of permanent damage if the input voltage is allowed to
exceed 17V +\-.5V depending on model.
TROUBLESHOOTING
1.Common problems
a. Buzz in audio systems:
Some inexpensive stereo systems and radios will emit a buzzing noise from their loudspeakers when
operated from the power inverter. This is because the power supply in the device does not adequately
filter the modified sine wave produced by the power inverter. The only solution is to use a sound system
that incorporates a higher quality power supply.
b. Television interference:
Operation of the power inverter can interfere with television reception on some channels. If this
situation occurs, the following steps may help to alleviate the problem.
-Make sure that the chassis ground lug on the back of the power inverter is solidly connected to the
ground system of your vehicle, boat or home.
-Do not operate high power loads with the power inverter while watching television.
-Make sure that the antenna feeding your television provides an adequate ("snow free") signal and that
you are using good quality cable between the antenna and the television.
-Move the television as far away from the power inverter as possible.