SunSynk HV Series User Manual

High Voltage Series | Installer Manual42
Fault Types Trigger Conditions
BMS connector overtemperature alarm Exceeding the parameter set value and set time
BMS connector overtemperature protection Exceeding the parameter set value and set time
BMU connector overtemperature alarm Exceeding the parameter set value and set time
BMU connector overtemperature protection Exceeding the parameter set value and set time
Power loop overtemperature alarm Exceeding the parameter set value and set time
Power loop overtemperature protection Exceeding the parameter set value and set time
SOC too low Exceeding the parameter set value and set time
Total voltage too high alarm Exceeding the parameter set value and set time
Total voltage too high protection Exceeding the parameter set value and set time
Total voltage too low alarm Exceeding the parameter set value and set time
Total voltage too low protection Exceeding the parameter set value and set time
Discharge relay adhesion Relay feedback information state adhesion
Charge relay adhesion Relay feedback information state adhesion
Heating relay adhesion High voltage is detected after disconnecting the heat-
ing relay
Limit protection Exceeding the parameter set value and set time
Abnormal power supply voltage Exceeding the parameter set value and set time
Master positive relay adhesion Relay feedback information state adhesion
Fuse Blown No high voltage is detected after the loop relay is
closed
Repeated BMU address fault BMU with the same number
INTER-CAN BUS communication failure Loss of communication between BMS
PCS-CAN BUS communication failure The heartbeat message of the inverter is not received
for a long time
RS485 communication failure Inverter RS485 access is not received for a long time
Abnormal RS485 communication C
External total voltage acquisition fault /
Internal total voltage acquisition fault The dierence between the acquired internal total
voltage and the accumulated internal total voltage
exceeding the set value
SCHG total voltage acquisition fault /
Cell voltage acquisition fault The cell voltage acquired is 0
Temperature acquisition fault The temperature acquired is -40 ºC
Current acquisition fault /
Current module fault Abnormal Hall current/reference voltage
EEPROM storage failure EEPROM write failure during self-set
RTC clock fault The external RTC failed to enable the charging func-
tion
Pre-charge failure Pre-charge timeout
Charging voltage too low The minimum cell voltage is lower than the set value
BMU lost BMU message nor received for a long time
Abnormal number of BMU The number of BMU address is dierent from the
number of set parameters

SunSynk HV Series Specifications

General

Brand	SunSynk
Model	HV Series
Category	Battery Pack
Language	English