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30
More Troubleshooting Behaviors
Behavior Probable Cause Cause / Fix
The battery may be experiencing an electronic
protection, see disconnected, over-discharged,
reverse polarity, over/under temperature in BATT
chart above for individual fixes.
No battery Power
The system is
dead; no LEDs
PV Not detected
or incorrectly
connected
PV will not
display or
charge
The solar panels may be experiencing an electronic
protection, see reverse polarity, overvoltage in the
PV chart above.
High ambient
temperature
Rover Boost
was Charging
but then
stopped
Incorrect Battery
Type
Rover Boost
not charging
properly
1.Float mode
2.Shaded Panels
3.Low Insolation
4.High
temperature
5.Improper wiring
Charging
current is lower
than expected;
PV current may
also be low
1.The controller is normally operating an in Float
mode, where the current is reduced to control and
maintain the battery
2.Inspect the solar panels for any dust or debris on
the surface. Clear anything creating shade to
resume normal operation
3.Atmospheric conditions such as low clouds, haze, sun
setting will reduce the panel output as the insolation
conditions also drop attributing the lower power output.
Clearer conditions will increase performance
4.While not outside of operating conditions, higher
temperature reduce the efficiency of the solar panels
with excess heat, where the maximum power voltage is
not much higher than the battery voltage, leaving little
to Boost. Check the solar module against the typical
solar module chart to potentially switch the module.
5.The panels are experiencing higher voltage drop due
to undersized wiring, poor connections, or perhaps
higher environmental conditions. Double check and
secure all connections and verify correct gauges.
High temperature or residual temperature may
prevent the controller from resuming charge.
Ventilate the charge controller location or reduce PV
power to lower heat.
Non-lithium batteries have an automatic detection
feature based on the voltage of the battery to determine
36V or 48V charging. If you have a 48V Battery, make
sure to press the SET button to toggle the controller to
a 48V battery system, as it may be thinking it is a 36V
system. For 36V systems, do not toggle the SET button
and it will resume 36V system recognition.
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