STATUS INDICATOR INSTRUCTIONS
The Rolls R48-100LFP ESS batteries come equipped with 6 LED lights located on the rear of the unit. Each light’s function, varying status indications and position on the battery can be seen in the table below. For more information on status alarms refer to BMS Protection Systems. For more information on LED Indicator SOC (state of charge) see the SOC Indication section above.
Note: ‘Warning’ includes cell imbalance, high or low voltage, high current, high or low temperature.
Mode | Status | Run | Alarm | LED Indicator | Information |
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Power off | / | Off | Off | Off | Off | Off | Off | / |
Standby | Normal | Flash - 1 | Off | Indicating level of charge | / |
Warning | Flash - 1 | Flash - 3 | / |
Charge | Normal | On | Off | Indicating level of charge | Full charge Flash - 2 |
Warning | On | Flash - 3 |
Overcurrent | Flash - 1 | Off | Charging Stopped |
Discharge | Normal | Flash - 3 | Off | Indicating level of charge | / |
Warning | Flash - 3 | Flash - 3 | / |
Undervoltage | Off | Flash - 3 | Off | Off | Off | Off | Discharging Stopped |
Overcurrent | Off | On | Off | Off | Off | Off | Discharging Stopped |
Temp. Protection | Outside operating temp. | Off | On | Off | Off | Off | Off | Battery Disconnected |
Failure | See below | Off | On | Off | Off | Off | Off | Battery Disconnected |
FLASH INDICATION
Flash | ON | OFF |
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Flash - 1 | 0.25s | 3.75s |
Flash - 2 | 0.5s | 0.5s |
Flash - 3 | 0.5s | 1.5s |
BATTERY LIMIT | PROTECTION | RESET METHOD | COMMENTS |
Cell/Pack Overvoltage | Charge Interruption | Discharge will resume once all cell voltages return to the recovery range or a sufficient discharging current is detected. |
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Cell/Pack Undervoltage | Discharge Interruption | Discharge will resume once all cell voltages return to the recovery range or a sufficient charging current is detected. | Recharge the system in a timely manner to avoid damage due to extended overdischarge |
Extended Pack Undervoltage (Stored While Empty) | Battery Cannot be Recovered | Always charge R48-100LFP ESS batteries within 72 hours of full discharge | - |
Pack Overcurrent | Charge and Discharge Interruption | Automatically reset after time delay | If occurring more than 3 times consecutively, charge is required. |
High temperature at BMS or Cell | Charge and Discharge Interruption | Automatically reset after cooling | BMS will display alarm when approaching disconnect. |
Low temperature at BMS or Cell | Charge Interruption | Automatically reset after warming | BMS will display alarm when approaching disconnect. |
Extreme low temperature at BMS or Cell | Charge and Discharge Interruption | Automatically reset after warming | BMS will display alarm when approaching disconnect. |
Short circuit or reverse polarity | Charge Interruption | Charge to release or manually press reset | Misuse in this way will void the warranty. |
Sleep mode | - | Charge, press reset, or restart to activate | BMS will enter sleep mode to reduce power consumption. |