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8
8.
LED Light Signal Interpretation Chart
LED Name
LED Display
Signal Indication
PV
Off
Solar Input Not Charging
*PV LED is generally off at 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 Flash
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.
Summary of Contents for ARC20-MPPT
Page 6: ...6 5 Mounting Instruction ...