BRP-Rotax
INSTALLATION MANUAL
EMS and Air-
frame circuit
test for AC-DC
Converter
916 i TYPE C24
Test to ensure there is no warning or caution lamp indication between AC-DC Converter
and any known airframe (aircraft) ground when EMS system is powered (EMS system is
powered on, engine need to run for this test - please follow the procedures mentioned in
the current Operators Manual. The engine must run on an engine speed at 3000 1/min for
at least 2 minutes.)
Figure 3.26: Airframe circuit test for AC-DC Converter
1
Ground connections regulator A
2
Airframe ground
• Connect a cable between ground connections regulator A to any airframe ground point
• Check all safety regulations, because EMS system now gets powered ON and the en-
gine will be started
• Run the engine for 2 minutes at 3000 1/min (follow the procedures mentioned in the cur-
rent Operators Manual).
Check for
warning and/
or caution
lamp
indication
916 i TYPE C24
Check that warning lamps and caution lamps stay OFF at an engine speed of 3000 1/min
and for 2 minutes engine run. If not, there is a connection between EMS ground and air-
frame ground which need to be detected and removed before engine and aircraft can be
released.
24–00–00
Page 30
December 01 2023
Effectivity: 916 i A / C24
Edition 0/Rev. 1
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