EVERVOLT EVHB-I7

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Troubleshooting for battery

BMS_External_Err

BMS_Internal_Err

BMS_OverVoltage

Overvoltage of single battery.

BMS_LowerVoltage

Undervoltage of single battery.

Ÿ Battery is forced to charge through inverter;

BMS_ChargeOver

Current

Overcurrent charging of BMS.

Ÿ Restart BMS;

BMS_Discharge

OverCurrent

Discharge overcurrent of BMS.

Ÿ Restart BMS;

Unable to establish communication among batteries.

Ÿ Restart BMS;

Ÿ Check if the connection among batteries is normal;

Faults

Diagnosis and solution

Unable to establish communication with inverter.

Ÿ Restart BMS

BMS_TemLow

BMS_CellImbalance

BMS_Hardware_Protect

Fault

Diagnosis and solution

BMS_TemHigh

The temperature of BMS is too high.

• Let BMS cool down to normal

temperature and restart;

•

The temperature of BMS is too low.

Warm up BMS and restart;

Inconsistency of battery.

• Restart BMS;

•

Hardware protection of BMS.

• Restart BMS;

•

BMS_Circuit_Fault

Circuit fault of BMS.

• Restart BMS;

•

BMS_Insulation_Fault

Insulation fault of BMS.

Restart BMS;

BMS_VoltSensor_Fault

Voltage sampling fault of BMS.

Restart BMS;

BMS_TempSensor_Fault

Temperature sampling fault of BMS.

Restart BMS;

BMS_TempSensor_Fault

Current sampling fault of BMS.

Restart BMS;

BMS_Relay_Fault

Relay contact adhesion fault of BMS.

Restart BMS;

Troubleshooting

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Please contact Panasonic Technical Support

•

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