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Reference – Error Codes
EI Residential Solar Solution Installation Manual |
46
Code
Fault
Tigo Fault
What To Do
IE 029
RCD fault
Residual
current device
fault
1. Check DC input and AC output impedance.
2. Disconnect and reconnect PV+/PV- and batteries.
IE 030
EPS (off-grid)
relay fault
EPS (off-grid)
relay failure
Disconnect and reconnect PV+/PV-, grid, and batteries.
IE 031
Grid relay fault
Electrical relay
failure
Disconnect and reconnect PV+/PV-, grid, and batteries.
Battery Codes
Code
Fault
Tigo Fault
What to Do
BE 11
BMS_Circuit_Fault
Battery –
circuit failure
Restart the battery.
BE 12
BMS_ISO_Fault
Battery –
insulation
failure
Check that the battery is properly earthed and restart
the battery.
BE 14
BMS_TemppSen_Fault Battery –
temperature
sensor failure
Restart the battery.
BE 17
BMS_Type_Unmatch Battery – type
failure
Use the Tigo EI app to upgrade the BMS software.
BE 18
BMS_Ver_ Unmatch
Battery –
version
mismatch
failure
Use the Tigo EI app to upgrade the BMS software.
BE 19
BMS_MFR_ Unmatch Battery –
manufacturer
not matching
fault
Use the Tigo EI app to upgrade the BMS software.
BE 20
BMS_SW_ Unmatch
Battery –
hardware and
software
mismatch
failure
Use the Tigo EI app to upgrade the BMS software.
BE 21
BMS_M&S_ Unmatch Battery –
master slave
control
mismatch
Use the Tigo EI app to upgrade the BMS software.
BE 22
BMS_CR_ NORespond Battery –
charging
request not
responding
Use the Tigo EI app to upgrade the BMS software.