Solar MPPT-10 - 5.3 Protection Remedies

14
5.2 LED Displays
LED
Meaning
Status
Solar
(Red)
PV Voltage Low
off
MPPT Charge
illuminates
Absorption Charge
T=2s
Float Charge
T=1s
PV Overvoltage Protection
T=0.5s
Battery
(Green)
Battery Disconnect
off
Normal Operation
illuminates
Undervoltage Protection
T=2s
Overvoltage Protection
T=1s
Overtemperature Protection
T=0.5s
Load
(Red)
Load Off
off
Load On
illuminates
Heatsink Temperature Sensor Error
T=2.2s
Overload Protection
T=1s
Load Short-circuit Protection
T=0.5s
5.3 System Voltage Indication
The MPPT-10 controller adjusts itself to 12V or 24V system voltage
automatically. The system type indicates by the green led when the controller
startup every time. Details show as follows:
Figure 5-3: System Voltage Indication Diagram
6. Faults and Remedies