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PV Charge Control Troubleshooting
975-0004-01-02 Rev D
65
Current uneven between
multiple controllers.
A. Solar arrays are
supplying different
amounts of current to
each charge controller.
B. Charging set points
are not all set the same.
C. Excess voltage drop
in wiring causing
controllers to measure
the battery voltage
differently and regulate
accordingly.
D. Accuracy of the
controllers may vary
between controllers,
due to tolerances in
meter design.
A. Check array output.
B. Set controllers to the
same settings.
C. Check wiring.
D. Try a different
controller if metering is
unacceptable.
Status LED blinks red
while mode jumper is in
“charge control” but still
regulates normally.
LED may have been
reinstalled backwards.
Remove LED and install
correctly. “Flat side” of
LED should be on left
side.
Battery voltage is
exceeding Bulk and
Float settings in cold
weather and not
reaching settings in hot
weather.
BTS is compensating
charging voltages
based on battery
temperature.
Nothing - Intended
operation. See
“Temperature
Compensation” on
page 33
.
Table 4-1
PV Charge Control Problems
Problem
Possible Cause
Solution
Summary of Contents for Trace C35
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