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■ Buttons instruction：
Charging indicator
GREEN ON whenever sunlight is available for battery charging,
Charging LED indicator Table 4-1
Fault indicator
When the following cases occur, fault indicator red flashing:
Solar module: Over current, Measure error of voltage, Short of counter-attack MOS-I,
Short of charging MOS-C, MOS-I or MOS-C disconnection or MOS break in control
section;
Battery: Over voltage, Measure error of voltage, Over temp;
Load: Over load, Short, Short of discharging MOS, Measure error of voltage;
Device: Over temp.
For trouble shooting, refer to chapter 5.
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