E T X T S O L I T H I U M B A T T E R I E S
180426
14
Abnormal Aircraft Charging System Operation
The battery fault codes when active during abnormal electrical system operation and or
electrical system warning require pilot corrective action.
LED Light
Voltage/Current
/Other
Possible Cause
Recommended Action
Slow Flashing
(5s on/5s off)
Less than 12.8V/
No charge
current amps/
low voltage or
alternator out
warning light on
Charging system is not
functioning (Battery over-
discharged)
Pilot to make preparations to land
prior to the battery’s reserve
capacity being depleted.
Slow Flashing
(5s on/5s off)
Greater than
15V / high
charge amps/
high voltage
warning light on
Over-charging (due to
faulty charging system)
Pilot to shutoff charging system
immediately, and make
preparations to land prior to the
battery’s reserve capacity being
depleted
Solid Light
Voltage or
current
fluctuations
BMS electronics issue
Pilot should terminate the flight
and land as soon as possible.
Installation and Wiring Diagram - Excerpt
This is a simple battery installation. For reference: Interface, Location and Wire routing:
For full BOM and details see (
ETX900-TSO-IWD-C182)
