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15. Battery (AC or Solar
Charged) will not
stay charged
1. The most common reason for this type of problem is a bad battery.
It is highly recommended that the battery be load tested at a battery
store to verify that it is good. The load test is the only sure way to
know if we have a good battery.
2. If the battery load test good then other items need to be checked
such as system design, installation or possible charging problems
with the system charger / charge controller.
System design and Installation
1. Verify the solar panel is facing in a South to Southwest direction and
that the panel surface is not shaded by some object.
2. System design refers to the accessories connected to the system.
Accessories connected to the system cannot use more energy than
the charging system can provide. Not all accessories are created
equally and some manufacturers use much more energy than others
to perform the same function. These concerns are minimized in an
AC charged system where the charger has power connected to it
continually.
AC Charged Systems ONLY
A. If your system is equipped with the USAutomatic charger / charge
controller part # 520006 and is AC charged (not solar) verify the
charger / charge controller is properly working. The “external Power”
light should be ON and either the “Charging or Charged” light should
be ON.
B. If the “external power” light is not ON then check the 120 VAC outlet
the transformer is plugged into for the correct voltage and correct
problem if necessary.
C. If the 120 VAC power checks good then disconnect the transformer
from the charger / charge controller “Power In” plug and using a volt
meter check the transformer output. The transformer should read
about 18 VAC, if the transformer output is incorrect the transformer
needs to be replaced with USAutomatic part # 520004.
Solar Charged Systems ONLY
1. If your system is equipped with the USAutomatic charger / charge
controller part # 520006 and is solar charged (not AC) verify the
charger / charge controller is properly working. The “Solar Power”
light should be ON and either the “Charging or Charged” light should
be ON. This can only be verified when the sun is directly on the solar
panel.
2. If the “solar power” light is not ON then using a voltmeter check the
output of the solar panel for the proper voltage.
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