Alerts by Status Indicators
1.4
Temperature abnormality
1.4.1
Too high battery temperature
Indicators
Alert Level Alert condition
Charge
limit
Discharge
limit
Release condition
Warning
> 50.0°C for 3 s
50%
50% < 48.0°C for 3 s
Fault 1
> 55.0°C for 3 s
0%
0% < 50.0°C for 3 s
Fault 2
> 60.0°C for 3 s
0%
0%
The battery temperature is higher than the tolerance limit. At the fault 1 state, try
these steps:
1. Check the conditions of the battery module using any available method.
2. Check the ambient temperature.
3. Run the air conditioner until the ambient temperature drops below 30°C.
4. Deactivate the ESS and wait for 2 hours until the battery module cools down.
5. Re-activate the ESS.
If the problem persists, contact LG Chem for technical assistance.
1.4.2
Too low battery temperature
Indicators
Alert Level Alert condition
Charge
limit
Discharge
limit
Release condition
Warning
< −12.0°C for 3 s
50%
50% > −10.0°C for 3 s
Fault 1
< −15.0°C for 3 s
0%
0% > −12.0°C for 3 s
Fault 2
< −20.0°C for 3 s
0%
0%
The battery temperature is lower than the tolerance limit. At the fault 1 state, try
these steps:
1. Check the conditions of the battery module using any available method.
2. Check the ambient temperature.
3. Run the air conditioner until the ambient temperature rises above 18°C.
4. Deactivate the ESS and wait for 2 hours until the battery module warms up.
5. Re-activate the ESS.
If the problem persists, contact LG Chem for technical assistance.
1.4.3 Too large temperature difference inside battery module
Indicators
Alert Level Alert condition
Charge
limit
Discharge
limit
Release condition
Fault 1
> 10.0°C for 3603 s
0%
0% < 5.0°C for 3 s
10
