E18
Different value between master
and slave for output DC current
Wait until the controller has
re-stabilized
E20
DC bus soft start is over time
Explanation
Action
Check input voltage
Check the utility
E21
E22
E23
E24
E25
E26
E27
E31
E32
E33
PV inverter soft start is over time
PV inverter bus voltage is too
low
PV inverter bus voltage is too
high
Different value between master
and slave for grid frequency
Boost current is over the
tolerable value
BMS input voltage is too high
BMS over temperature
PV inverter GFCI fault
PV inverter current-sensor fault
PV inverter current is over the
tolerate value
Wait until the controller has
re-stabilized
Wait until the controller has
re-stabilized
Check system frequency and line
voltage. Contact Trinabess if system
frequency is within normal range
Restart system
Confirm battery input voltage
Waiting for BMS cooling down
E28
BMS boost current warning
Restart BMS
Restart PV inverter, contact Trinabess if
continue occur
Restart PV inverter, contact Trinabess if
continue occur
Restart PV inverter, contact Trinabess if
continue occur
E29
PV inverter fan locked
Check fan
E30
BMS fan locked
Check fan
E35
PV inverter bus fault
PV inverter relay fault
Restart PV inverter, contact Trinabess if
continue occur
Restart PV inverter, contact Trinabess if
continue occur
E41
E40
Communication failure between
PV inverter and BMS
Check communication cable between
PV inverter and BMS
E42
E43
E46
E47
Communication failure between
PV inverter and energy meter
Communication failure between
PV and BMS
Battery pack temperature is
higher than the warning value
Please check the energy meter and
communication line status
Please check BMS and communication
line status
Switch off the breaker of the control
box for 2 hours, and restart the system
Cell temperature difference is
larger than the warning value
Switch off the breaker of the control
box for 2 hours, and restart the system
Error
code
23
User Manual
Solar Battery Hybrid System (T Series)
