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Troubleshooting
64
975-0004-01-02 Rev D
PV Charge Control Troubleshooting
The following table lists possible problems that may arise
when using the
C-Series Multifunction DC Controller
as a
PV Charge Controller.
Table 4-1
PV Charge Control Problems
Problem
Possible Cause
Solution
Controller is
overcharging battery
(verified by measured
current through the
controller).
PV positive and
Battery positive wires
have been swapped.
Verify the voltage on PV
terminal and Battery
terminal are from the
correct sources.
Controller is locking up.
PV positive and
Battery positive wires
have been swapped.
Verify the voltage on PV
terminal and Battery
terminal are from the
correct sources.
Status LED Blinks
Orange after switching
on array breaker.
PV wires are
connected in reverse
polarity.
Verify PV polarity relative
to battery negative.
Status LED Blinks
Orange at times during
the solar day.
A. Controller is
overheating.
B. Array is supplying
more current than the
controller is rated for.
(Press reset button and
measure current).
A. Check ambient air
temperature around
controller.
B. Divide array with
another controller or use
larger controller.
Summary of Contents for Trace C35
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