Warning Messages
975-0799-01-01 83
Error Code Condition Mode Action
E07
Over-temperature alarm
and fan lock alarm
Battery mode
(inverting)
Reduce the loads connected to the AC outlet of the unit.
Check that the ventilation grille is not blocked.
Check for ambient temperature and move the unit to a cooler
location whenever possible.
Check the fan for any obstruction and remove it.
E08
Fan lock error Grid mode (bypass)
If there is no issue with the fan, disconnect the unit from its DC
and AC power sources, then reconnect, and then restart the
unit. Perform Drip Shield Installation on page 47.
If error detection persists, contact customer service.
E10 to E19
Internal hardware error
Battery and grid
modes
If error detection persists, contact customer service.
E21
Battery temperature is high
Battery mode
(inverting)
Error detection is possible and automatic charger temperature
compensation is enabled only when the optional BTS (PN: 808-
0232-01) is installed.
When the BTS is present and the error is detected, stop
inverting (meaning, discharging the battery) and wait a
minimum of one hour for the battery temperature to go down
before resuming inverting.
For error code E01, after the LBCO shutdown delay, the unit will immediately stop inverting.
For error codes E02 to E04 and E21, the unit will stop inverting.
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