Technical Specification - Velleman SOL10UC2 Manual Del Usuario

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o [2] load LED: indicates that the connected load receives power. When on, the load

receives enough power to operate normally.

o [3] battery status.

Red: the battery is empty and the controller will be in over-discharge protection

(10.5V-11V for 12V system/ 21V-22V for 24V system)

Orange: normal working status

Green: the battery is fully charged and the controller is into over-charge protection

(13.7V-14.4V for 12V system / 27.4V-28.8V for 24V system)

Troubleshooting

Problem: load indicator [2] off and load stops working.

Reason: low battery voltage (battery status [3] is red).

Possible solutions:

• Remove load and press the RESET button. When battery is fully charged, reconnect

the load.

• Increase the number of solar panels or change the battery to match the connected

load.

Problem: load indicator [2] off and load stops working.

Reason: system overloaded / short circuit inside the load

Possible solutions:

• remove as much load as necessary and press the RESET button.

• resolve the short circuit problem on the load and press the RESET button.

Problem: charge indicator [1] is continuously on.

Reason: battery is charging.

Possible solutions: this is a normal operating condition.

Problem: charge indicator [1] is blinking.

Reason: battery is trickle-charging.

Possible solutions: this is a normal operating condition when battery is fully charged.

Problem: charge indicator [1] is off.

Reason: no power from solar panels.

Possible solutions:

• This is a normal condition during night time when the solar panel doesn't receive any

sunlight

• When it happens during day-time, carefully check all connections and make sure they

are all secured tightly.