Full Product Manual
Rev 2020.04.03 8
7. LED Light Signal Interpretation Chart
LED Name
LED Display
Signal Indication
PV
Off
Solar Input Not Charging
○!
*PV LED is generally off during nighttime.
Double Flash
Solar Input Charge Detected
Single Flash
Solar Input Reverse Polarity ○!
Steady On
MPPT Charge Mode
Fast Flash
Equalize or Boost Charge Mode
Slow Flash
Float Mode
BATTERY
Single Flash
Battery Input Reverse Polarity
○!
Fast Flash
Battery Over Voltage
○
!
Slow Fast
Battery Over Discharged
○
!
Steady On
Battery On
LOAD
Off
No DC Load Connected/Load Off
Fast Flash
DC Load Short Circuit
○
!
Steady On
DC Load On
FAULT
Off
No Errors
Steady On
System Error – Check Error Code
○!
Check the Fault light to spot if a system error may be present.