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Troubleshooting and Maintenance
Error Code Fault Descriptions and Diagnosis
IE 111 ARM ParaCom FIt
ARMParaComFIt
• Please check that the communication cables of
inverters are well connected and the baud rate of
COMM setting of inverters are the same.
• Or seek help from the installer if it can not return to
normal.
IE 112 FAN1 Fault
FAN1 Fault
• Please change the fan.
• Or seek help from the installer if it can not return to
normal.
IE113 FAN2 Fault
FAN2 Fault
• Please change the fan.
• Or seek help from the installer if it can not return to
normal.
BE 01 BMS_ExterErr
Battery Error - External Communication Fault
• Please contact the battery supplier.
BE 02 BMS_InterErr
Internal fault of BMS.
Unable to establish communication among battery
modules.
• Restart the BMS.
• Check whether the wire connections among
battery modules are correct.
• Contact the after-sales personnel of our company.
BE 03 BMS_OverVolt
BMS overvoltage
Overvoltage of a single battery module.
• Contact the after-sales personnel of our company.
BE 04 BMS_LowerVolt
BMS undervoltage
Undervoltage of a single battery module.
• Battery module is forced to charge through
inverter.
• Contact the after-sales personnel of our company.
BE 05 BMS_ChargeOCP
Overcurrent charging of BMS.
• Restart the BMS.
• Contact the after-sales personnel of our company.
BE 06 DischargeOCP
Discharge overcurrent of BMS.
• Restart the BMS.
• Contact the after-sales personnel of our company.
BE 07 BMS_TemHigh
The temperature of the BMS is too high.
• Cool down the BMS to normal temperature, and
then restart it.
• Contact the after-sales personnel of our company.
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