Troubleshooting
37
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Code
Description
Solution
P651
BAT Conv. SW1 OT
Automatically restart after Converter top temp is
normal
P652
BAT Conv. SW2 OT
Automatically restart after Converter bottom temp
is normal
P690
PCS Internal OT
Automatically restart after Inner temp is normal
P700
Slave MCU Comm.
Automatically restart after Communication is normal
P701
PMS Comm. Error
Automatically restart after Communication is normal
P702
BAT1 Comm. Error
Automatically restart after Communication is normal
P720
Slave MCU Error
Automatically restart after releasing fault
P721
MCU Power Fault
Automatically restart after MCU Control Power is
normal
P722
GD Desat
Automatically restart after releasing fault
P723
GD Low Voltage
Automatically restart after releasing fault
P724
Temp. Sensor
Automatically restart after temp. sensor is normal
P740
ATS Error
Automatically restart after ATS is normal
P741
Initial Charge
Automatically restart after releasing fault
P750
Grid Volt Sensor
Automatically restart after grid voltage sensing is
normal
P751
Grid Freq Sensor
Automatically restart after grid frequency sensing is
normal
P752
Safety Function
Automatically restart after safety function operation
is normal
P753
Micom State Fail
Automatically restart after MICOM state is normal
P760
SRD Para Fault
Automatically restart after releasing fault
P765
Relay Power Off
Automatically restart after relay is normal
P900
SRD Para Warning
Automatically restart after releasing fault
P910
Eeprom Warning
Automatically restart after releasing fault
P925
PMS E-Stop
Automatically restart after releasing stop
SE Box Error Code
Code
Description
Solution
S100
PCS version does not match
Contact service center
S101
BMS version does not match
Contact service center
S102
EEPROM device error
Contact service center
S200
Grid meter communication error
Contact service center