VPS-DOS-TR-06-E / Rev 01
3-May-2022
Volta Power Systems
Page 18 of 41
The secondary alternator or a shore power connection are more effective in
charging the pack than solar power. The solar charging system is primarily used
to increase the time needed between charges.
Solar Controller LED Indicators
Your system may include a solar controller with LEDs for monitoring the
system. The solar controller has two LEDs that indicate the solar charging
status. The following represent the typical LED indicator combinations:
If both lights are red, it indicates the system is not charging. This can be
caused by the following:
• The system is fully charged.
• The pack is too cold to charge.
• The solar controller’s internal temperature is too high.
• Insufficient sunlight to charge the system or the panels are dirty.
Charging
Status
Charging
Status
Charging
Status
Input
Status
Input
Status
Input
Status
Both LEDs are Off:
System is not on
Flashing Yellow
and Solid Green:
System charging
Both LEDs are Red:
Pack fully charged /
not charging
Flash
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