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FREQUENTLY ASKED QUESTIONS
Why does the voltage fluctuate so much when charging with the LITHIUM setting?
Lithium batteries contain smaller battery cells. The voltages of these individual cells must be balanced during the charging process by the
Battery Management System (BMS). Imbalances will cause fluctuations in the battery voltage measurement, but this will stabilize as the
cells are charged and balanced.
Additionally, lithium batteries have higher resistance than lead acid batteries. This affects the charge controller’s battery voltage
measurements and its compensation for wire resistance.
Reduce wire inductance which may also cause voltage fluctuations. Keep battery wires close together, or gently twist positive and negative
wires together.
How to Read this Section
Troubleshooting Problems is split into three sub-sections, grouped by symptoms involving key components. A multimeter or voltmeter may
be required for some procedures listed.
It is imperative all electrical precautions stated in the Warning Section and outlined in the Installation Section are followed. Even if it appears
the system is not functioning, it should be treated as a fully functioning system generating live power.
Display Reading:
Blank
Time of Day
: Daytime/Nighttime
Possible Causes
:
Battery or fuse connection and/or solar panel connection (Daytime only) or battery or fuse connection (Nighttime only).
Remedy
:
Check all connections from the controller to the battery including checking for correct wire polarity. Check that all connections are clean,
tight, and secure. Ensure the battery voltage is above 8 volts.
Further Steps (if required):
Check the voltage at the controller battery terminals with a voltmeter and compare with a voltage reading at the battery terminals.
If there is no voltage reading at the controller battery terminals, the problem could be a fuse, or the wiring between the battery and the
controller. If the battery voltage is lower than 8 volts the controller will not function.
For the solar panel, repeat steps 1 and 2 substituting all battery terminals with solar panel terminals.
Display Reading:
0
Time of Day
: Daytime/Nighttime
Remedy
:
Check all connections from the controller to the battery including checking for correct wire polarity. Check that all connections are clean,
tight, and secure.
14. TROUBLESHOOTING
14.1 PROBLEMS WITH CONTROLLER DISPLAY
Содержание GP-DURALITE-100
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