WESTECH VS Series Instruction Manual page 17

■ Buttons instruction：
：Menu / Cursor left button
MENU/ ←
：Cursor up / Number add button
↑/ +
：Cursor down / Number reduce button
↓/ -
：Enter / cursor right button
ENTER/ →
 Charging indicator
GREEN ON whenever sunlight is available for battery charging,
Charging LED indicator
Color
Green
 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.
Indicator
On Solid
14
Table 4-1
Charging Status
Charging