Battery Soc Bar; Load Percentage Bar; Common Failure Analysis; No Output First Power On - TBB Energier Pro Series User Manual

9.2.2 Battery SOC bar

Status of Charger
Status of Inverter

9.2.3 Load percentage bar

Status of Charger
Status of Inverter

9.3 Common failure analysis

Following please find frequent common failure which no maintenance on Energier pro bi-directional inverter was needed.

9.3.1 No output first power on

Phenomenon 1：No output at inverter mode, No alarm.
Reason ：Battery low voltage.
Solution ：Check battery voltage; Check battery capacity; Check battery LVD setting.
Phenomenon 2：No output at inverter mode, No alarm, Burn smell.
Reason ：DC input reverse polarity.
Solution ：Replace PCB.

9.3.2 No output during operation

Phenomenon 1：No output at inverter mode upon load switch on, fault and power saving mode lights illuminate.
Reason ：Battery low voltage.
Solution ：Check battery voltage; Check battery capacity; Check battery LVD setting.
Phenomenon 2：No output, long beep, fault and inverter lights illuminate.
Reason ：Output shortcut .
Solution ：Remove output shortcut.
Phenomenon 3：No output, fault and charging lights illuminate.
Reason ：High DC voltage.
Solution ：Check DC voltage .
Phenomenon 4：No output, fault and overload lights illuminate.
Reason ：Overload shutdown.
Solution ：Reducing load and switch on again.
from bottom to top representing Bulk, Absorption, 75% SOC, Float (100% SOC)
from bottom to top representing 25%-50%-75%-100% battery SOC
representing 25%-50%-75%-100% of max preset charging power
representing 25%-50%-75%-100% load percentage of inverter
Battery SOC bar
Load percentage bar
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Energier pro User Manual