Srne ML Series - 4.3 Abnormality Display and Alarm

4.3Abnormality Display and Alarm
No. Error Display Remarks LED Indication Buzzer Alarm
1 PV REV Photovoltaic Modules
Inversed Connection
ERROR indicator
steady on
Buzzer keeps alarming
2 PV OVP Photovoltaic Modules
Overvoltage
ERROR indicator
steady on
Buzzer keeps alarming
3 PV_MPP_OVP Over Set Vmp Voltage ERROR indicator
steady on
Buzzer Alarm for
1Min
4 PV OVER CRT Photovoltaic Modules
Overload
ERROR indicator
steady on
Buzzer Alarm for
1Min
5 OVER VOLTAGE System Overvoltage BAT Indicator fast
flash
ERROR indicator
steady on
Buzzer keeps alarming
6 LOAD SHORT CRT Load Short Circuit LOAD Indicator fast
flash
ERROR indicator
steady on
Buzzer Alarm for
1Min
7 LOAD OVER CRT Overload LOAD Indicator fast
flash
ERROR indicator
steady on
Buzzer Alarm for
1Min
9 OVER TMP BAT Environment
Temperature Over-
Temperature
ERROR indicator
steady on
Buzzer Alarm for
1Min
11 OVER TMP MOS Solar Charge
Controller Internal
Over-Temperature
ERROR indicator
steady on
Buzzer Alarm for
1Min
12 OVER DISCHARGE Battery Over-
Discharge
BAT Indicator slow
flash
ERROR indicator
steady on
Buzzer Alarm for
1Min
13 BAT UND VOL
WARN
Battery Under-Voltage ERROR indicator
steady on
Buzzer Alarm for 15
seconds
5. Product Specification Parameter
5.1 Electrical Parameter
Parameter Name Parameter Value
Model
ML2440/ML2440-LI ML4830/ML4830-LI
System Voltage
12V/24VAuto 12V/24V/36V/48V Auto