4.6) Trouble shooting
m WARNING
Non-compliance can result in serious injuries or death!
Only qualified staff (authorized by the Aviation Authorities) trained
on this particular engine, is allowed to carry out maintenance and re-
pair work.
ATTENTION
If the following hints regarding remedy do not solve the prob-
lem, contact an authorized workshop. The engine must not be
operated until the problem is rectified.
All checks in accordance with the Maintenance Manual (current
issue/revision).
Starting problems
Engine does not start
Possible cause Remedy
Ignition off. Switch on.
Closed fuel valve or clogged
filter.
Open valve, clean or renew filter,
check fuel system for leaks.
No fuel in tank. Refuel.
Starting speed too low,
faulty or discharged battery.
Fit fully charged battery.
Starting speed too low, start
problems on cold engine.
Use top quality, low friction oil; allow
for sufficient cooling period to coun-
ter for performance drop on hot start-
er; preheat engine.
Wrong fuel (Jetfuel or
Diesel).
Change of fuel.
Engine run
Engine keeps running with ignition off
Possible cause Remedy
Overheating of engine. Let engine cool down at idling at ap-
prox. 2000 rpm.
Knocking under load
Possible cause Remedy
Octane rating of fuel too
low.
Use fuel with higher octane rating.
Page 4-6
November 01/2016
BRP-Rotax Effectivity: 912 Serie
Edition 4 / Rev. 0