Q CELLS Q.HOME PLUS ESS-G1 3.6, User Manual, Page: 57 / 64

7. Message Description
49
Type Code Description Measures
WARNING E507 UNDER TEMPERATURE.
PROTECTION-CELL When the minimum cell
temperature is below Warning
level.
Automatically returns to normal
when the minimum cell
temperature goes above the
limit value.
PROTECTION E508 UNDER TEMPERATURE.
PROTECTION-CELL When the minimum cell
temperature is below Protection
level, thus terminating the
system.
Automatically returns to normal
when the minimum cell
temperature goes above the
limit value.
WARNING E509 CELL VOLTAGE
IMBALANCE
PROTECTION
When the imbalance of the Cell
voltage is above the limit value.
Returns to normal when the
imbalance of the Cell voltage is
below the limit value.
PROTECTION E510 CELL VOLTAGE
IMBALANCE
PROTECTION
When the imbalance of the Cell
voltage is above the limit value.
Returns to normal when the
imbalance of the Cell voltage is
below the limit value.
WARNING E511 AFE INITIALIZATION AFE initialization failure
Restored to normal mode on
AFE initialization success
PROTECTION E512 AFE INITIALIZATION AFE communication failure
WARNING E513 CELL TEMPERATURE
SENSOR 1EA Occurs above the standard
battery cell temperature.
PROTECTION E514 CELL TEMPERATURE
SENSOR 2EA
Occurs above the standard
battery cell temperature.
[Table 7-7: BMS general events list]
7.2.7 EMS/Communication Events
Type Code Description Measures
WARNING E601 INVERTER
COMMUNICATION
EVENT
Turn off and restart the system.
Reconnect the communication
line between the EMS board and
the DSP board.