9
TROUBLESHOOTING GUIDE
Troubleshooting Guide
Please note:
•
Solar panels and controller are maintenance free.
•
There are no user service parts in this unit.
•
If you have any problems, please contact Thunder. See back of booklet for
details.
The charge LED doesn’t glow green
•
Ensure the panels are exposed to sunlight.
•
Ensure all panel cables are free from damage and are connected correctly.
•
Ensure the cables from the controller to the battery are free from damage
and connected correctly.
•
Check the battery voltage. If the battery voltage is less than 8V, the
controller will not work.
•
Check the fuse. The fuse will typically be blown for the following reasons:
- Battery poles +/- are reversed or a short circuit occurred.
- Solar controller output current over 10A.
•
Inspect and test the battery. Check if the battery is in good condition.
There is no voltage output from the panel
•
Check if the output cables are connected to the battery correctly.
•
The panel is fitted with a SMART controller that will not allow any output if
the panel is not connected. This protects the solar panel.
