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Pilot Lamps
"Batt. Full" (Battery fully charged, green):
If it is lighting:
If it is lighting dimly:
Off:
">80 %" (green):
If it is lighting:
"Charge" (only MPPT5012A-DUO, green):
If it is lighting:
Off:
If it is flashing:
"MPP" at MPPT5012A-DUO (control, green):
If it is lighting:
Short flashing:
"MPP' at MPPT5025A-DUO(control, green):
If it is lighting:
If it is flashing:
Short flashing:
"Batt. Low" (yellow):
If it is lighting:
The battery should be recharged as soon as possible!
All pilot lamps (5) are flashing:
The positions of the selector switches "MAIN Battery" are incorrect. For reasons of safety, the solar controller is switched-
off. Adjust the desired battery type according to table 1.
Operating Instructions:
Lifetime of the battery:
Recharge totally discharged batteries immediately!
Sulphation of the lead battery plates due to total discharge is to be prevented by soon charging, particularly in case
of high ambient temperatures. If the grade of sulphation is not too intensive, the battery can recover part of the
battery capacity after several charging/discharging cycles.
Battery (batteries) has (have) been charged to 100 %, finished.
Main charging process is still effected in the charging Constant voltage
Main charging process is still effected in the charging constant current
Battery has been charged almost fully. Solar controller is still in the charging constant current
The brightness from slight dimly lighting up to full brightness indicates the charging current intensity.
Solar power is insufficient.
Battery Protection:
1. Switchover to safety charging voltage in case of battery overtemperature, such as > +50°C,
automatic return and continued charging in case of drop of the battery temperature by 2°C.
2. Disconnection, caused by overvoltage at the battery.
Proper functioning of the solar controller.
Display of readiness for service in case of missing solar power (at night).
Proper functioning of the solar controller. The brightness from slight dimly lighting up to full
brightness indicates the charging current intensity.
Battery Protection:
1. Switchover to safety charging voltage in case of battery overtemperature, such as > +50 °C,
automatic return and continued charging in case of drop of the battery temperature by 2 °C.
2. Disconnection, caused by overvoltage at the battery.
Display of readiness for service in case of missing solar power (at night).
Low voltage at main battery I.
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